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Publication: Wilson, Don E., and DeeAnn M. Reeder, eds. 1993. Mammal Species of the World: A Taxonomic and Geographic Reference, 2nd ed., 3rd printing. xviii + 1207.

ITIS records citing this publication
 
 Kingdom Animalia
  Abditomys Musser, 1982 -- valid
  Abditomys latidens (Sanborn, 1952) -- valid -- Luzon Broad-toothed Rat
  Abrawayaomys Cunha and Cruz, 1979 -- valid
  Abrawayaomys ruschii Cunha and Cruz, 1979 -- valid -- Ruschi's Rat
  Abrocoma Waterhouse, 1837 -- valid
  Abrocoma bennettii Waterhouse, 1837 -- valid -- Bennett's Chinchilla Rat
  Abrocoma boliviensis Glanz and Anderson, 1990 -- valid -- Bolivian Chinchilla Rat
  Abrocoma cinerea Thomas, 1919 -- valid -- Ashy Chinchilla Rat
  Abrocomidae Miller and Gidley, 1918 -- valid
  Acanthonotus Goldfuss, 1809 -- invalid
  Acerodon Jourdan, 1837 -- valid
  Acerodon celebensis (Peters, 1867) -- valid -- Sulawesi fruit bat, Sulawesi Fruit Bat
  Acerodon humilis K. Andersen, 1909 -- valid -- Talaud Fruit Bat
  Acerodon jubatus (Eschscholtz, 1831) -- valid -- golden-capped fruit bat, Golden-capped Fruit Bat
  Acerodon leucotis (Sanborn, 1950) -- valid -- Palawan fruit bat, Palawan Fruit Bat
  Acerodon lucifer (Elliot, 1896) -- invalid -- Panay golden-capped fruit bat
  Acerodon mackloti (Temminck, 1837) -- valid -- Sunda fruit bat, Sunda Fruit Bat
  Acinonychinae Pocock, 1917 -- invalid
  Acinonyx Brookes, 1828 -- valid
  Acinonyx jubatus (Schreber, 1775) -- valid -- Cheetah
  Acinonyx rex Pocock, 1927 -- invalid
  Acomys I. Geoffroy, 1838 -- valid -- African Spiny Mice
  Acomys cahirinus (Desmarest, 1819) -- invalid
  Acomys cilicicus Spitzenberger, 1978 -- valid -- Turkish Spiny Mouse
  Acomys cineraceus Fitzinger and Heuglin, 1866 -- valid -- Gray Spiny Mouse
  Acomys ignitus Dollman, 1910 -- valid -- Fiery Spiny Mouse
  Acomys kempi Dollman, 1911 -- valid -- Kemp's Spiny Mouse
  Acomys louisae Thomas, 1896 -- valid -- Louise's Spiny Mouse
  Acomys minous Bate, 1906 -- valid -- Crete Spiny Mouse
  Acomys mullah Thomas, 1904 -- valid -- Mullah Spiny Mouse
  Acomys nesiotes Bate, 1903 -- valid -- Cyprus Spiny Mouse
  Acomys percivali Dollman, 1911 -- valid -- Percival's Spiny Mouse
  Acomys russatus (Wagner, 1840) -- valid -- Golden Spiny Mouse
  Acomys spinosissimus Peters, 1852 -- valid -- Southern African Spiny Mouse
  Acomys subspinosus (Waterhouse, 1838) -- valid -- Cape Spiny Mouse
  Acomys wilsoni Thomas, 1892 -- valid -- Wilson's Spiny mouse
  Aconaemys Ameghino, 1891 -- valid
  Aconaemys fuscus (Waterhouse, 1842) -- valid -- Chilean Rock Rat
  Aconaemys sagei Pearson, 1984 -- valid -- Sage's Rock Rat
  Acrobates Desmarest, 1818 -- valid
  Acrobates pygmaeus (Shaw, 1793) -- valid -- Feather-tailed Glider
  Acrobatidae Aplin, 1987 -- valid
  Addax Rafinesque, 1815 -- invalid
  Addax nasomaculatus (Blainville, 1816) -- valid -- Addax, addax
  Aepeomys Thomas, 1898 -- valid -- Montane Mice
  Aepeomys fuscatus J. A. Allen, 1912 -- invalid -- Dusky Montane Mouse
  Aepeomys lugens (Thomas, 1896) -- valid -- Mérida Aepeomys, Olive Montane Mouse
  Aepyceros Sundevall, 1847 -- valid
  Aepyceros melampus (Lichtenstein, 1812) -- valid -- impala, Impala
  Aepycerotinae Gray, 1872 -- valid
  Aepyprymnus Garrod, 1875 -- valid -- rufous rat-kangaroos
  Aepyprymnus rufescens (Gray, 1837) -- valid -- rufous 'rat'-kangaroo, Rufous Rat-kangaroo
  Aeretes G. M. Allen, 1940 -- valid
  Aeretes melanopterus (Milne-Edwards, 1867) -- valid -- groove-toothed flying squirrel, Northern Chinese Flying Squirrel
  Aeromys Robinson and Kloss, 1915 -- valid -- Large Black Flying Squirrels
  Aeromys tephromelas (Günther, 1873) -- valid -- Black Flying Squirrel
  Aeromys thomasi (Hose, 1900) -- valid -- Thomas's Flying Squirrel
  Aethalops Thomas, 1923 -- valid
  Aethalops alecto (Thomas, 1923) -- valid -- pygmy fruit bat, Pygmy Fruit Bat
  Aethiops Martin, 1841 -- invalid
  Aethomys Thomas, 1915 -- valid -- African Rock Rats
  Aethomys bocagei (Thomas, 1904) -- valid -- Bocage's Aethomys
  Aethomys chrysophilus (de Winton, 1897) -- valid -- Red Veld Aethomys
  Aethomys granti (Wroughton, 1908) -- invalid
  Aethomys hindei (Thomas, 1902) -- valid -- Hinde's Aethomys
  Aethomys kaiseri (Noack, 1887) -- valid -- Kaiser's Aethomys
  Aethomys namaquensis (A. Smith, 1834) -- invalid
  Aethomys nyikae (Thomas, 1897) -- valid -- Nyika Aethomys
  Aethomys silindensis Roberts, 1938 -- valid -- Seilinda Aethomys
  Aethomys stannarius (Thomas, 1913) -- valid -- West African Aethomys
  Aethomys thomasi (de Winton, 1897) -- valid -- Thomas's Aethomys
  Aethurus de Winton, 1898 -- invalid
  Agouti Lacépède, 1799 -- invalid
  Agouti paca (Linnaeus, 1766) -- invalid -- Tepezcuintle
  Agouti taczanowskii (Stolzmann, 1865) -- invalid
  Agoutidae Gray, 1821 -- invalid
  Ailurinae Gray, 1843 -- invalid
  Ailuropoda Milne-Edwards, 1870 -- valid
  Ailuropoda melanoleuca (David, 1869) -- valid -- Bamboo Bear, Giant Panda, Great Panda, Panda Bear, Parti-colored Bear, White Bear
  Ailurops Wagler, 1830 -- valid
  Ailurops ursinus (Temminck, 1824) -- valid -- Sulawesi Bear Cuscus
  Ailurus F. G. Cuvier, 1825 -- valid
  Ailurus fulgens F. G. Cuvier, 1825 -- valid -- Red Panda
  Akodon Meyen, 1833 -- valid -- Grass Mice
  Akodon aerosus Thomas, 1913 -- valid -- Highland Grass Mouse, Yungas Akodont
  Akodon affinis (J. A. Allen, 1912) -- valid -- Colombian Grass Mouse, Cordillera Occidental Akodont
  Akodon albiventer Thomas, 1897 -- valid -- White-bellied Akodont, White-bellied Grass Mouse
  Akodon azarae (Fischer, 1829) -- valid -- Azara's Akodont, Azara's Grass Mouse
  Akodon bogotensis (Thomas, 1895) -- invalid -- Bogotá Akodont, Bogota Grass Mouse
  Akodon boliviensis Meyen, 1833 -- valid -- Bolivian Akodont, Bolivian Grass Mouse
  Akodon budini (Thomas, 1918) -- valid -- Budin's Akodont, Budin's Grass Mouse
  Akodon cursor (Winge, 1887) -- valid -- Cursor Grass Mouse, Cursorial Akodont
  Akodon dayi Osgood, 1916 -- valid -- Day's Grass Mouse, Dusky Akodont
  Akodon dolores Thomas, 1916 -- valid -- Córdoba Akodont, Dolorous Grass Mouse
  Akodon fumeus Thomas, 1902 -- valid -- Smoky Akodont, Smoky Grass Mouse
  Akodon hershkovitzi Patterson, Gallardo and Freas, 1984 -- invalid -- Hershkovitz's Grass Mouse
  Akodon illuteus (Thomas, 1925) -- invalid -- Gray Grass Mouse
  Akodon iniscatus Thomas, 1919 -- valid -- Intelligent Grass Mouse, Patagonian Akodont
  Akodon juninensis Myers, Patton and M. F. Smith, 1990 -- valid -- Junín Akodont, Junín Grass Mouse
  Akodon kempi (Thomas, 1917) -- invalid -- Kemp's Grass Mouse
  Akodon kofordi Myers and Patton, 1989 -- valid -- Koford's Akodont, Koford's Grass Mouse
  Akodon lanosus (Thomas, 1897) -- invalid -- Woolly Grass Mouse
  Akodon latebricola (Anthony, 1924) -- invalid -- Ecuadorean Akodont, Ecuadorean Grass Mouse
  Akodon lindberghi Hershkovitz, 1990 -- valid -- Lindbergh's Akodont, Lindbergh's Grass Mouse
  Akodon longipilis (Waterhouse, 1837) -- invalid -- Long-haired Grass Mouse
  Akodon mansoensis De Santis and Justo, 1980 -- invalid -- Manso Grass Mouse
  Akodon markhami Pine, 1973 -- invalid -- Markham's Grass Mouse
  Akodon mimus (Thomas, 1901) -- valid -- Hocicudo-like Akodont, Thespian Grass Mouse
  Akodon molinae Contreras, 1968 -- valid -- Molina's Akodont, Molina's Grass Mouse
  Akodon mollis Thomas, 1894 -- valid -- Soft Grass Mouse, Soft-furred Akodont
  Akodon neocenus Thomas, 1919 -- valid -- Neuquén Akodont, Neuquen Grass Mouse
  Akodon nigrita (Lichtenstein, 1829) -- invalid -- Blackish Grass Mouse
  Akodon olivaceus (Waterhouse, 1837) -- invalid -- Olive Grass Mouse
  Akodon orophilus Osgood, 1913 -- valid -- El Dorado Grass Mouse, Utcubamba Akodont
  Akodon puer Thomas, 1902 -- invalid -- Altiplano Grass Mouse
  Akodon sanborni Osgood, 1943 -- invalid -- Sanborn's Grass Mouse
  Akodon sanctipaulensis Hershkovitz, 1990 -- valid -- São Paulo Akodont, Sao Paulo Grass Mouse
  Akodon serrensis Thomas, 1902 -- valid -- Serra do Mar Akodont, Serrado Mar Grass Mouse
  Akodon siberiae Myers and Patton, 1989 -- valid -- Cochabamba Akodont, Cochabamba Grass Mouse
  Akodon simulator Thomas, 1916 -- valid -- Gray-bellied Grass Mouse, White-throated Akodont
  Akodon spegazzinii Thomas, 1897 -- valid -- Spegazzini's Akodont, Spegazzini's Grass Mouse
  Akodon subfuscus Osgood, 1944 -- valid -- Puno Akodont, Puno Grass Mouse
  Akodon surdus Thomas, 1917 -- valid -- Silent Grass Mouse, Slate-bellied Akodont
  Akodon sylvanus Thomas, 1921 -- valid -- Forest Grass Mouse, Woodland Akodont
  Akodon toba Thomas, 1921 -- valid -- Chaco Grass Mouse, Toba Akodont
  Akodon torques (Thomas, 1917) -- valid -- Cloud Forest Akodont, Cloud Forest Grass Mouse
  Akodon urichi J. A. Allen and Chapman, 1897 -- invalid -- Northern Grass Mouse
  Akodon varius Thomas, 1902 -- valid -- Variable Akodont, Variable Grass Mouse
  Akodon xanthorhinus (Waterhouse, 1837) -- invalid -- Yellow-nosed Grass Mouse
  Alcelaphinae Brooke, 1876 -- valid
  Alcelaphus Blainville, 1816 -- valid
  Alcelaphus buselaphus (Pallas, 1766) -- valid -- Hartebeest, hartebeest
  Alces Gray, 1821 -- valid -- moose, Old World elk
  Alces alces (Linnaeus, 1758) -- valid -- Eurasian Elk, moose, orignal
  Alionycteris Kock, 1969 -- valid
  Alionycteris paucidentata Kock, 1969 -- valid -- Mindanao pygmy fruit bat, Mindanao Pygmy Fruit Bat
  Allactaga F. Cuvier, 1837 -- valid -- Earth Hares, Five-toed Jerboas, Four-toed Jerboas
  Allactaga balikunica Hsia and Fang, 1964 -- valid -- Balikun Jerboa
  Allactaga bullata G. M. Allen, 1925 -- valid -- Gobi Jerboa
  Allactaga elater (Lichtenstein, 1828) -- valid -- Small Five-toed Jerboa
  Allactaga euphratica Thomas, 1881 -- valid -- Euphrates Jerboa, Montane Jerboa
  Allactaga firouzi Womochel, 1978 -- invalid -- Iranian Jerboa
  Allactaga hotsoni Thomas, 1920 -- valid -- Hotson's Five-toed Jerboa, Hotson's Jerboa
  Allactaga major (Kerr, 1792) -- valid -- Great Jerboa
  Allactaga severtzovi Vinogradov, 1925 -- valid -- Severtzov's Jerboa
  Allactaga sibirica (Forster, 1778) -- valid -- Mongolian Five-toed Jerboa, Siberian Jerboa
  Allactaga tetradactyla (Lichtenstein, 1823) -- valid -- Four-toed Jerboa
  Allactaga vinogradovi Argyropulo, 1941 -- valid -- Vinogradov's Jerboa
  Allactaginae Vinogradov, 1925 -- valid
  Allactodipus Kolesnikov, 1937 -- valid -- Turanian Jerboas
  Allactodipus bobrinskii Kolesnikov, 1937 -- valid -- Bobrinski's Jerboa
  Allenopithecus Lang, 1923 -- valid -- Allen's Swamp Monkey
  Allenopithecus nigroviridis (Pocock, 1907) -- valid -- Allen's Swamp Monkey
  Allocebus Petter-Rousseaux and Petter, 1967 -- valid -- Hairy-eared Dwarf Lemur
  Allocebus trichotis (Günther, 1875) -- valid -- Hairy-eared Dwarf Lemur
  Allocricetulus Argyropulo, 1933 -- valid -- Mongolian Hamsters
  Allocricetulus curtatus (G. M. Allen, 1925) -- valid -- Mongolian Hamster
  Allocricetulus eversmanni (Brandt, 1859) -- valid -- Eversmann's Hamster
  Alopex Kaup, 1829 -- invalid -- Arctic foxes
  Alopex lagopus (Linnaeus, 1758) -- invalid -- Arctic Fox, renard arctique
  Alouatta Lacépède, 1799 -- valid
  Alouatta belzebul (Linnaeus, 1766) -- valid -- Red-handed Howler, red-handed howler monkey
  Alouatta caraya (Humboldt, 1812) -- valid -- Black Howler, black howler monkey, Paraguayan Howler
  Alouatta coibensis Thomas, 1902 -- invalid -- Coiba howler monkey
  Alouatta fusca (É. Geoffroy Saint-Hilaire, 1812) -- invalid -- brown howler monkey
  Alouatta palliata (Gray, 1849) -- valid -- Mantled Howler, mantled howler monkey, Saraguato de manto
  Alouatta pigra Lawrence, 1933 -- valid -- Central American Black Howler, Guatemalan Black Howler, Mexican black howler monkey, Saraguato yucateco
  Alouatta sara Elliot, 1910 -- valid -- Bolivian Red Howler, Bolivian red howler monkey
  Alouatta seniculus (Linnaeus, 1766) -- valid -- Colombian Red Howler, red howler monkey, Venezuelan Red Howler
  Alouattinae Trouessart, 1897 -- valid
  Alticola Blanford, 1881 -- valid -- Mountain Voles
  Alticola albicauda (True, 1894) -- invalid -- White-tailed Mountain Vole
  Alticola argentatus (Severtzov, 1879) -- valid -- Silver Mountain Vole
  Alticola barakshin Bannikov, 1947 -- valid -- Gobi Altai Mountain Vole
  Alticola lemminus (Miller, 1898) -- valid -- Lemming Mountain Vole, Lemming Vole
  Alticola macrotis (Radde, 1862) -- valid -- Large-eared Mountain Vole, Large-eared Vole
  Alticola montosa (True, 1894) -- valid -- Central Kashmir Vole, Kashmir Mountain Vole
  Alticola roylei (Gray, 1842) -- valid -- Royle's High Mountain Vole, Royle's Mountain Vole
  Alticola semicanus (G. M. Allen, 1924) -- valid -- Mongolian Mountain Vole, Mongolian Silver Vole
  Alticola stoliczkanus (Blanford, 1875) -- valid -- Stoliczka's High Mountain Vole, Stoliczka's Mountain Vole
  Alticola stracheyi (Thomas, 1880) -- invalid -- Strachey's mountain vole
  Alticola strelzowi (Kastschenko, 1899) -- valid -- Flat-headed Vole, Flat-skulled Vole, Strelzow's Mountain Vole
  Alticola tuvinicus Ognev, 1950 -- valid -- Tuva Mountain Vole, Tuva Silver Vole
  Amblonyx Rafinesque, 1832 -- valid
  Amblonyx cinereus (Illiger, 1815) -- valid -- Oriental Small-clawed Otter
  Amblyrhiza Cope, 1868 -- valid
  Amblyrhiza inundata Cope, 1868 -- valid -- Blunt-toothed Giant Hutia
  Amblysomus Pomel, 1848 -- valid
  Amblysomus gunningi (Broom, 1908) -- invalid -- Gunning's golden mole
  Amblysomus hottentotus (A. Smith, 1829) -- valid -- Hottentot Golden Mole
  Amblysomus iris Thomas and Schwann, 1905 -- invalid -- Zulu golden mole
  Amblysomus julianae Meester, 1972 -- invalid -- Juliana's golden mole
  Ametrida Gray, 1847 -- valid
  Ametrida centurio Gray, 1847 -- valid -- little white-shouldered bat, Little White-shouldered Bat
  Ammodillus Thomas, 1904 -- valid
  Ammodillus imbellis (de Winton, 1898) -- valid -- Ammodile
  Ammodorcas Thomas, 1891 -- valid
  Ammodorcas clarkei (Thomas, 1891) -- valid -- Clark's gazelle, dibatag, Dibatag
  Ammospermophilus Merriam, 1892 -- valid -- Antelope Squirrels
  Ammospermophilus harrisii (Audubon and Bachman, 1854) -- valid -- Ardilla-antilope de Sonora, Harris' antelope squirrel, Harris's Antelope Squirrel
  Ammospermophilus insularis Nelson and Goldman, 1909 -- valid -- Espiritu Santo Island Antelope Squirrel
  Ammospermophilus interpres (Merriam, 1890) -- valid -- Ardilla-antilope texana, Texas Antelope Squirrel
  Ammospermophilus leucurus (Merriam, 1889) -- valid -- Ardilla-antílope cola blanca, White-tailed Antelope Squirrel
  Ammospermophilus nelsoni (Merriam, 1893) -- valid -- Nelson's antelope ground squirrel, Nelson's Antelope Squirrel, San Joaquin antelope ground squirrel, San Joaquin antelope squirrel
  Ammotragus Blyth, 1840 -- valid -- Barbary sheep
  Ammotragus lervia (Pallas, 1777) -- valid -- aoudad, Barbary sheep, Barbary Sheep
  Amorphochilus Peters, 1877 -- valid
  Amorphochilus schnablii Peters, 1877 -- valid -- smoky bat, Smoky Bat
  Anathana Lyon, 1913 -- valid
  Anathana ellioti (Waterhouse, 1850) -- valid -- Madras Tree Shrew, Madras Treeshrew
  Andalgalomys Williams and Mares, 1978 -- valid -- Chaco Mice
  Andalgalomys olrogi Williams and Mares, 1978 -- valid -- Olrog's chaco mouse, Olrog's Pericote
  Andalgalomys pearsoni (Myers, 1977) -- valid -- Pearson's Chaco mouse, Pearson's Pericote
  Andinomys Thomas, 1902 -- valid
  Andinomys edax Thomas, 1902 -- valid -- Andean Mouse
  Anisomys Thomas, 1904 -- valid
  Anisomys imitator Thomas, 1904 -- valid -- Uneven-toothed Rat
  Anomalurella Matschie, 1914 -- invalid
  Anomaluridae Gervais, 1849 -- valid -- Scaly-tailed Squirrels
  Anomalurinae Gervais, 1849 -- valid
  Anomalurodon Matschie, 1914 -- invalid
  Anomalurops Matschie, 1914 -- invalid
  Anomalurus Waterhouse, 1843 -- valid -- Scaly-tailed Flying Squirrels
  Anomalurus beecrofti Fraser, 1853 -- valid -- Beecroft's Scaly-tailed Squirrel
  Anomalurus derbianus (Gray, 1842) -- valid -- Lord Derby's Flying Squirrel, Lord Derby's Scaly-tailed Squirrel
  Anomalurus pelii (Schlegel and S. Müller, 1845) -- valid -- Pel's Flying Squirrel, Pel's Scaly-tailed Squirrel
  Anomalurus pusillus Thomas, 1887 -- valid -- Dwarf Scaly-tailed Squirrel, Little Flying Squirrel
  Anonymomys Musser, 1981 -- valid
  Anonymomys mindorensis Musser, 1981 -- valid -- Mindoro Forest Anonymomys
  Anotomys Thomas, 1906 -- valid
  Anotomys leander Thomas, 1906 -- valid -- Ecuador fish-eating rat, Ecuadoran Ichthyomyine
  Anoura Gray, 1838 -- valid
  Anoura caudifera (E. Geoffroy, 1818) -- invalid -- tailed tailless bat
  Anoura cultrata Handley, 1960 -- valid -- Handley's tailless bat, Handley's Tailless Bat
  Anoura geoffroyi Gray, 1838 -- valid -- Geoffroy's tailless bat, Geoffroy's Tailless Bat
  Anoura latidens Handley, 1984 -- valid -- broad-toothed tailless bat, Broad-toothed Tailless Bat
  Anourosorex Milne-Edwards, 1872 -- valid
  Anourosorex squamipes Milne-Edwards, 1872 -- valid -- Chinese Mole Shrew, Mole Shrew
  Antechinus Macleay, 1841 -- valid -- antechinuses, broad-footed marsupial 'mice', pouched 'mice'
  Antechinus bellus (Thomas, 1904) -- valid -- Fawn Antechinus
  Antechinus flavipes (Waterhouse, 1838) -- valid -- Yellow-footed Antechinus
  Antechinus godmani (Thomas, 1923) -- valid -- Atherton Antechinus
  Antechinus leo Van Dyck, 1980 -- valid -- Cinnamon Antechinus
  Antechinus melanurus (Thomas, 1899) -- invalid
  Antechinus minimus (É. Geoffroy Saint-Hilaire, 1803) -- valid -- Swamp Antechinus
  Antechinus naso (Jentink, 1911) -- invalid
  Antechinus stuartii Macleay, 1841 -- valid -- Brown Antechinus
  Antechinus swainsonii (Waterhouse, 1840) -- valid -- Dusky Antechinus
  Antechinus wilhelmina Tate, 1947 -- invalid
  Anthops Thomas, 1888 -- valid
  Anthops ornatus Thomas, 1888 -- valid -- flower-faced bat, Flower-faced Bat
  Antidorcas Sundevall, 1847 -- valid
  Antidorcas marsupialis (Zimmermann, 1780) -- valid -- Springbok, springbok
  Antilocapra Ord, 1818 -- valid
  Antilocapra americana (Ord, 1815) -- valid -- Berrendo, Pronghorn, pronghorn
  Antilocapra americana americana (Ord, 1815) -- valid
  Antilocapra anteflexa Gray, 1855 -- invalid
  Antilocapridae Gray, 1866 -- valid -- pronghorns
  Antilope Pallas, 1766 -- valid -- blackbucks
  Antilope americana Ord, 1815 -- invalid
  Antilope cervicapra (Linnaeus, 1758) -- valid -- blackbuck, Blackbuck
  Antilopinae Gray, 1821 -- valid
  Antrozous H. Allen, 1862 -- valid -- pallid bats
  Antrozous dubiaquercus Van Gelder, 1959 -- invalid -- Van Gelder's bat
  Antrozous pallidus (LeConte, 1856) -- valid -- Murciélago-desértico norteño, Pallid Bat, pallid bat
  Aonyx Lesson, 1827 -- valid
  Aonyx capensis (Schinz, 1821) -- valid -- African Clawless Otter, African small-clawed otter, Cape Clawless Otter, swamp otter
  Aonyx congicus (Lönnberg, 1910) -- invalid -- Congo clawless otter
  Aonyx congicus congicus (Lönnberg, 1910) -- invalid
  Aonyx congicus microdon Pohle, 1920 -- invalid -- Cameroon clawless otter
  Aotinae Poche, 1908 -- invalid
  Aotus Illiger, 1811 -- valid
  Aotus azarai (Humboldt, 1812) -- invalid -- Azara's night monkey
  Aotus brumbacki Hershkovitz, 1983 -- valid -- Brumback's Night Monkey
  Aotus hershkovitzi Ramirez-Cerquera, 1983 -- invalid -- Hershkovitz's Night Monkey
  Aotus infulatus (Kuhl, 1820) -- invalid -- feline night monkey
  Aotus lemurinus I. Geoffroy Saint-Hilaire, 1843 -- valid -- Gray-bellied Night Monkey, Lemurine Night Monkey
  Aotus miconax Thomas, 1927 -- valid -- Andean Night Monkey, Peruvian Night Monkey
  Aotus nancymaae Hershkovitz, 1983 -- valid -- Ma's Night Monkey, Nancy Ma's Night Monkey
  Aotus nigriceps Dollman, 1909 -- valid -- Black-headed Night Monkey
  Aotus trivirgatus (Humboldt, 1811) -- valid -- Humboldt's Night Monkey, northern night monkey, Three-striped Night Monkey
  Aotus vociferans (Spix, 1823) -- valid -- noisy night monkey, Spix's Night Monkey
  Aplodontia Richardson, 1829 -- valid -- Mountain Beaver
  Aplodontia chryseola L. Kellogg, 1914 -- invalid
  Aplodontia humboldtiana Taylor, 1916 -- invalid
  Aplodontia major rainieri Merriam, 1899 -- invalid
  Aplodontia nigra Taylor, 1914 -- invalid
  Aplodontia olympica Merriam, 1899 -- invalid
  Aplodontia pacifica Merriam, 1899 -- invalid
  Aplodontia phaea Merriam, 1899 -- invalid
  Aplodontia rufa (Rafinesque, 1817) -- valid -- Mountain Beaver, Sewellel
  Aplodontia rufa grisea Taylor, 1916 -- invalid
  Aplodontidae Trouessart, 1897 -- invalid
  Aplodontiidae Brandt, 1855 -- valid -- Mountain Beavers
  Apodemus Kaup, 1829 -- valid -- Field Mice
  Apodemus agrarius (Pallas, 1771) -- valid -- Striped Field Mouse
  Apodemus alpicola Heinrich, 1952 -- valid -- Alpine Field Mouse
  Apodemus argenteus (Temminck, 1845) -- valid -- Small Japanese Field Mouse
  Apodemus arianus (Blanford, 1881) -- invalid
  Apodemus chevrieri (Milne-Edwards, 1868) -- valid -- Chevrier's Field Mouse
  Apodemus draco (Barrett-Hamilton, 1900) -- valid -- South China Field Mouse
  Apodemus flavicollis (Melchior, 1834) -- valid -- Yellow-necked Field Mouse
  Apodemus fulvipectus (Ognev, 1924) -- invalid
  Apodemus gurkha Thomas, 1924 -- valid -- Nepalese Field Mouse
  Apodemus hermonensis Filippucci, Simson and Nevo, 1989 -- invalid
  Apodemus hyrcanicus Vorontsov, Boyeskorov and Mezhzherin, 1992 -- valid -- Hyrcanian Field Mouse
  Apodemus latronum Thomas, 1911 -- valid -- Large-eared Field Mouse
  Apodemus mystacinus (Danford and Alston, 1877) -- valid -- Eastern Broad-toothed Field Mouse
  Apodemus peninsulae (Thomas, 1907) -- valid -- Korean Field Mouse
  Apodemus ponticus (Sviridenko, 1936) -- valid -- Caucasus Field Mouse
  Apodemus rusiges Miller, 1913 -- valid -- Kashmir Field Mouse
  Apodemus semotus Thomas, 1908 -- valid -- Taiwan Field Mouse
  Apodemus speciosus (Temminck, 1845) -- valid -- Large Japanese Field Mouse
  Apodemus sylvaticus (Linnaeus, 1758) -- valid -- Common Field Mouse, Long-tailed Field Mouse
  Apodemus uralensis (Pallas, 1811) -- valid -- Herb Field Mouse
  Apodemus wardi (Wroughton, 1908) -- invalid
  Apomys Mearns, 1905 -- valid -- Philippine Forest Mice
  Apomys abrae (Sanborn, 1952) -- valid -- Luzon Cordillera Apomys
  Apomys datae (Meyer, 1899) -- valid -- Northern Luzon Apomys
  Apomys hylocoetes Mearns, 1905 -- invalid
  Apomys insignis Mearns, 1905 -- valid -- Mindanao Montane Forest Apomys
  Apomys littoralis (Sanborn, 1952) -- valid -- Mindanao Lowland Apomys
  Apomys microdon Hollister, 1913 -- valid -- Small Luzon Apomys
  Apomys musculus Miller, 1911 -- valid -- Least Philippine Apomys
  Apomys sacobianus Johnson, 1962 -- valid -- Long-nosed Luzon Apomys
  Aproteles Menzies, 1977 -- valid
  Aproteles bulmerae Menzies, 1977 -- valid -- Bulmer's fruit bat, Bulmer's Fruit Bat
  Arborimus Taylor, 1915 -- valid -- Tree Voles
  Arborimus albipes (Merriam, 1901) -- valid -- White-footed Vole
  Arborimus longicaudus (True, 1890) -- valid -- Red Tree Vole, Reddish Tree Mouse
  Arborimus pomo Johnson and George, 1991 -- valid -- Sonoma Tree Vole
  Archboldomys Musser, 1982 -- valid
  Archboldomys luzonensis Musser, 1982 -- valid -- Isarog Shrew Mouse
  Arctictis Temminck, 1824 -- valid
  Arctictis binturong (Raffles, 1821) -- valid -- Binturong
  Arctocebus Gray, 1863 -- valid -- angwantibos
  Arctocebus aureus de Winton, 1902 -- valid -- Golden Angwantibo
  Arctocebus calabarensis (J. A. Smith, 1860) -- valid -- Calabar Angwantibo
  Arctocephalinae -- invalid
  Arctocephalus É. Geoffroy Saint-Hilaire and F. Cuvier, 1826 -- valid -- southern fur seals
  Arctocephalus australis (Zimmermann, 1783) -- valid -- South American Fur Seal
  Arctocephalus australis gracilis Nehring, 1887 -- invalid
  Arctocephalus forsteri (Lesson, 1828) -- valid -- Antipodean fur seal, Australasian Fur Seal, black fur seal, Long-nosed fur seal, New Zealand fur seal, South Australian fur seal
  Arctocephalus galapagoensis Heller, 1904 -- valid -- Galapagos Fur Seal, Galápagos fur seal
  Arctocephalus gazella (Peters, 1875) -- valid -- Antarctic Fur Seal, Kerguelen fur seal
  Arctocephalus monteriensis Gray, 1859 -- invalid
  Arctocephalus philippii (Peters, 1866) -- valid -- Juan Fernández Fur Seal
  Arctocephalus pusillus (Schreber, 1775) -- valid -- Brown Fur Seal, Cape fur seal, giant fur seal, South African fur seal, Tasmanian fur seal
  Arctocephalus pusillus doriferus Wood Jones, 1925 -- valid -- Australian fur seal
  Arctocephalus townsendi Merriam, 1897 -- invalid -- Guadalupe Fur Seal, Lobo-fino de Guadalupe
  Arctocephalus tropicalis (J. E. Gray, 1872) -- valid -- Amsterdam fur seal, Subantarctic Fur Seal
  Arctogalidia Merriam, 1897 -- valid
  Arctogalidia trivirgata (Gray, 1832) -- valid -- Small-toothed Palm Civet
  Arctonyx F. G. Cuvier, 1825 -- valid
  Arctonyx collaris F. G. Cuvier, 1825 -- valid -- greater hog-badger, Hog Badger
  Arctophoca townsendi (Merriam, 1897) -- invalid
  Ardops Miller, 1906 -- valid
  Ardops nichollsi (Thomas, 1891) -- valid -- tree bat, Tree Bat
  Ariteus Gray, 1838 -- valid
  Ariteus flavescens (Gray, 1831) -- valid -- Jamaican fig-eating bat, Jamaican Fig-eating Bat
  Aroaethrus Waterhouse, 1843 -- invalid
  Artibeus Leach, 1821 -- valid -- fruit-eating bats
  Artibeus amplus Handley, 1987 -- valid -- large fruit-eating bat, Large Fruit-eating Bat
  Artibeus anderseni Osgood, 1916 -- valid -- Andersen's Fruit-eating Bat
  Artibeus aztecus K. Andersen, 1906 -- valid -- Aztec fruit-eating bat, Aztec Fruit-eating Bat
  Artibeus cinereus (Gervais, 1856) -- valid -- Gervais's Fruit-eating Bat
  Artibeus concolor Peters, 1865 -- valid -- brown fruit-eating bat, Brown Fruit-eating Bat
  Artibeus fimbriatus Gray, 1838 -- valid -- fringed fruit-eating bat, Fringed Fruit-eating Bat
  Artibeus fraterculus Anthony, 1924 -- valid -- fraternal fruit-eating bat, Fraternal Fruit-eating Bat
  Artibeus glaucus Thomas, 1893 -- valid -- silver fruit-eating bat, Silvery Fruit-eating Bat
  Artibeus hartii Thomas, 1892 -- invalid -- Hart's fruit-eating bat, velvety fruit-eating bat
  Artibeus hirsutus K. Andersen, 1906 -- valid -- hairy fruit-eating bat, Hairy Fruit-eating Bat
  Artibeus inopinatus Davis and Carter, 1964 -- valid -- Honduran fruit-eating bat, Honduran Fruit-eating Bat
  Artibeus jamaicensis Leach, 1821 -- valid -- Jamaican fruit-eating bat, Jamaican Fruit-eating Bat, Murciélago-frutero de Jamaica
  Artibeus lituratus (Olfers, 1818) -- valid -- great fruit-eating bat, Great Fruit-eating Bat
  Artibeus obscurus (Schinz, 1821) -- valid -- dark fruit-eating bat, Dark Fruit-eating Bat
  Artibeus phaeotis (Miller, 1902) -- valid -- Pygmy Fruit-eating Bat
  Artibeus planirostris (Spix, 1823) -- valid -- flat-faced fruit-eating bat
  Artibeus toltecus (Saussure, 1860) -- valid -- Toltec Fruit-eating Bat
  Artiodactyla Owen, 1848 -- valid -- artiodactyls, cloven-hoofed ungulates, even-toed ungulates, porco do mato, veado
  Arvicanthis Lesson, 1842 -- valid -- African Grass Rats
  Arvicanthis abyssinicus (Rüppell, 1842) -- valid -- Ethiopian Arvicanthis
  Arvicanthis blicki Frick, 1914 -- valid -- Blick's Arvicanthis
  Arvicanthis nairobae J. A. Allen, 1909 -- valid -- East African Arvicanthis
  Arvicanthis neumanni (Matschie, 1894) -- valid -- Neumann's Arvicanthis
  Arvicanthis niloticus (Desmarest, 1822) -- invalid
  Arvicola Lacépède, 1799 -- valid -- Water Voles
  Arvicola austerus Le Conte, 1853 -- invalid
  Arvicola curtata Cope, 1868 -- invalid
  Arvicola richardsoni DeKay, 1842 -- invalid
  Arvicola sapidus Miller, 1908 -- valid -- Southwestern Water Vole
  Arvicola terrestris (Linnaeus, 1758) -- invalid -- European water vole
  Arvicola trimucronatus Richardson, 1825 -- invalid
  Arvicolinae Gray, 1821 -- valid -- arvicoline rodents
  Asellia Gray, 1838 -- valid
  Asellia patrizii DeBeaux, 1931 -- valid -- Patrizi's trident leaf-nosed bat, Patrizi's Trident Leaf-nosed Bat
  Asellia tridens (E. Geoffroy, 1813) -- valid -- Geoffroy's Trident Leaf-nosed Bat, trident leaf-nosed bat
  Aselliscus Tate, 1941 -- valid
  Aselliscus stoliczkanus (Dobson, 1871) -- valid -- Stoliczka's Asian Trident Bat, Stoliczka's trident bat
  Aselliscus tricuspidatus (Temminck, 1835) -- valid -- Temminck's Asian Trident Bat, Temminck's trident bat
  Atelerix Pomel, 1848 -- valid
  Atelerix albiventris (Wagner, 1841) -- valid -- Four-toed Hedgehog
  Atelerix algirus (Lereboullet, 1842) -- valid -- North African Hedgehog
  Atelerix frontalis (A. Smith, 1831) -- valid -- Southern African Hedgehog
  Atelerix sclateri Anderson, 1895 -- valid -- Somali Hedgehog
  Ateles É. Geoffroy Saint-Hilaire, 1806 -- valid
  Ateles belzebuth É. Geoffroy Saint-Hilaire, 1806 -- valid -- White-bellied Spider Monkey, White-fronted Spider Monkey
  Ateles chamek (Humboldt, 1812) -- valid -- Black Spider Monkey, Chamek spider monkey, Peruvian Spider Monkey
  Ateles fusciceps Gray, 1866 -- valid -- Black-headed Spider Monkey, Brown-headed Spider Monkey
  Ateles geoffroyi Kuhl, 1820 -- valid -- Central American Spider Monkey, Mono-araña centroamericano
  Ateles marginatus É. Geoffroy Saint-Hilaire, 1809 -- valid -- White-cheeked Spider Monkey, White-whiskered Spider Monkey
  Ateles paniscus (Linnaeus, 1758) -- valid -- black spider monkey, Red-faced Black Spider Monkey, Red-faced Spider Monkey
  Atelinae Gray, 1825 -- valid
  Atelocynus Cabrera, 1940 -- valid
  Atelocynus microtis (Sclater, 1883) -- valid -- Short-eared Dog, small eared zorro, Small-eared Dog
  Atherurus F. Cuvier, 1829 -- valid
  Atherurus africanus Gray, 1842 -- valid -- African Brush-tailed Porcupine
  Atherurus macrourus (Linnaeus, 1758) -- valid -- Asiatic Brush-tailed Porcupine
  Atilax F. G. Cuvier, 1826 -- valid
  Atilax paludinosus (G.[Baron] Cuvier, 1829) -- valid -- Marsh Mongoose
  Atlantoxerus Forsyth Major, 1893 -- valid
  Atlantoxerus getulus (Linnaeus, 1758) -- valid -- Barbary Ground Squirrel
  Auliscomys Osgood, 1915 -- valid -- Big-eared Mice
  Auliscomys boliviensis (Waterhouse, 1846) -- valid -- Bolivian big-eared mouse, Bolivian Pericote
  Auliscomys micropus (Waterhouse, 1837) -- invalid -- Southern Big-eared Mouse
  Auliscomys pictus (Thomas, 1884) -- valid -- Colorful Pericote, Painted Big-eared Mouse
  Auliscomys sublimis (Thomas, 1900) -- valid -- Andean Big-eared Mouse, Lofty Pericote
  Australophocaena Barnes, 1985 -- invalid
  Australophocaena dioptrica (Lahille, 1912) -- invalid -- Spectacled Porpoise
  Avahi Jourdan, 1834 -- valid -- woolly lemurs
  Avahi laniger (Gmelin, 1788) -- valid -- Eastern Woolly Lemur, woolly lemur
  Axis C. H. Smith, 1827 -- valid -- axis deer
  Axis axis (Erxleben, 1777) -- valid -- axis deer, chital, Chital
  Axis calamianensis (Heude, 1888) -- valid -- Calamian Deer, Calamian deer
  Axis kuhlii (Müller, 1840) -- invalid -- Bawean deer
  Axis porcinus (Zimmermann, 1780) -- valid -- hog deer, Hog Deer
  Babyrousa Perry, 1811 -- valid
  Babyrousa babyrussa (Linnaeus, 1758) -- valid -- babirusa, Buru Babirusa
  Babyrousinae Thenius, 1970 -- invalid
  Baiomys True, 1894 -- valid -- American Pygmy Mice, Pygmy Mice
  Baiomys musculus (Merriam, 1892) -- valid -- Southern Pygmy Mouse
  Baiomys taylori (Thomas, 1887) -- valid -- Northern Pygmy Mouse, Ratón-pigmeo norteño
  Balaena Linnaeus, 1758 -- valid -- right whales
  Balaena glacialis Müller, 1776 -- invalid -- black right whale, black whale, right whale
  Balaena mysticetus Linnaeus, 1758 -- valid -- baleine boréale, black right whale, Bowhead, bowhead whale, Greenland whale
  Balaenidae Gray, 1821 -- valid -- bowhead whales, right whales
  Balaenoptera Lacépède, 1804 -- valid -- baleen whales, finback whales, rorquals
  Balaenoptera acutorostrata Lacépède, 1804 -- valid -- Ballena menor, Common Minke Whale, Minke Whale, northern minke whale, petit rorqual
  Balaenoptera borealis Lesson, 1828 -- valid -- Ballena de Sei, rorqual boréal, Sei Whale
  Balaenoptera edeni Anderson, 1879 -- valid -- Ballena tropical, Bryde's whale, Eden's whale
  Balaenoptera musculus (Linnaeus, 1758) -- valid -- Ballena azul, Blue Whale, rorqual bleu
  Balaenoptera physalus (Linnaeus, 1758) -- valid -- Ballena de aleta, Fin Whale, finback whale, rorqual commun
  Balaenoptera physalus physalus (Linnaeus, 1758) -- valid -- Northern Fin Whale
  Balaenopteridae Gray, 1864 -- valid -- rorquals
  Balantiopteryx Peters, 1867 -- valid
  Balantiopteryx infusca (Thomas, 1897) -- valid -- Ecuadorian sac-winged bat, Ecuadorian Sac-winged Bat
  Balantiopteryx io Thomas, 1904 -- valid -- Thomas's sac-winged bat, Thomas's Sac-winged Bat
  Balantiopteryx plicata Peters, 1867 -- valid -- gray sac-winged bat, Gray Sac-winged Bat
  Balionycteris Matschie, 1899 -- valid
  Balionycteris maculata (Thomas, 1893) -- valid -- spotted-winged fruit bat, Spotted-winged Fruit Bat
  Bandicota Gray, 1873 -- valid -- Bandicoot Rats
  Bandicota bengalensis (Gray, 1835) -- valid -- Lesser Bandicoot Rat
  Bandicota indica (Bechstein, 1800) -- valid -- Greater Bandicoot Rat, Large Bandicoot Rat
  Bandicota savilei Thomas, 1916 -- valid -- Savile's Bandicoot Rat
  Barbastella Gray, 1821 -- valid
  Barbastella barbastellus (Schreber, 1774) -- valid -- western barbastelle, Western Barbastelle
  Barbastella leucomelas (Cretzschmar, 1826) -- valid -- eastern barbastelle, Eastern Barbastelle
  Bassaricyon J. A. Allen, 1876 -- valid -- Olingos
  Bassaricyon alleni Thomas, 1880 -- valid -- Allen's Olingo, Eastern Lowland Olingo
  Bassaricyon beddardi Pocock, 1921 -- invalid -- Beddard's Olingo
  Bassaricyon gabbii J. A. Allen, 1876 -- valid -- Northern Olingo, Olingo
  Bassaricyon lasius Harris, 1932 -- invalid -- Harris's Olingo
  Bassaricyon pauli Enders, 1936 -- invalid -- Chiriqui Olingo
  Bassariscus Coues, 1887 -- valid -- ringtails
  Bassariscus astutus (Lichtenstein, 1830) -- valid -- Cacomixtle norteño, Ringtail
  Bassariscus sumichrasti (Saussure, 1860) -- valid -- Cacomistle
  Bathyergidae Waterhouse, 1841 -- valid
  Bathyergus Illiger, 1811 -- valid
  Bathyergus janetta Thomas and Schwann, 1904 -- valid -- Namaqua Dune Mole-rat
  Bathyergus suillus (Schreber, 1782) -- valid -- Cape Dune Mole-rat
  Batomys Thomas, 1895 -- valid -- Hairy-tailed Rats
  Batomys dentatus Miller, 1911 -- valid -- Large-toothed Batomys
  Batomys granti Thomas, 1895 -- valid -- Luzon Batomys
  Batomys salomonseni (Sanborn, 1953) -- valid -- Mindanao Batomys
  Bdeogale Peters, 1850 -- valid
  Bdeogale crassicauda Peters, 1852 -- valid -- Bushy-tailed Mongoose
  Bdeogale jacksoni (Thomas, 1894) -- valid -- Jackson's Mongoose
  Bdeogale nigripes Pucheran, 1855 -- valid -- Black-footed Mongoose
  Beamys Thomas, 1909 -- valid -- Long-Tailed Pouched Rats
  Beamys hindei Thomas, 1909 -- valid -- Hinde's Pouched Rat, Long-tailed Pouched Rat
  Beamys major Dollman, 1914 -- valid -- Greater Long-tailed Pouched Rat, Greater Pouched Rat
  Belomys Thomas, 1908 -- valid
  Belomys pearsonii (Gray, 1842) -- valid -- Hairy-footed Flying Squirrel
  Berardius Duvernoy, 1851 -- valid -- giant beaked whales, giant bottle-nosed whales
  Berardius arnuxii Duvernoy, 1851 -- valid -- Arnoux's Beaked Whale
  Berardius bairdii Stejneger, 1883 -- valid -- Baird's Beaked Whale, north Pacific bottle-nosed whale
  Berylmys Ellerman, 1947 -- valid -- White-toothed Rats
  Berylmys berdmorei (Blyth, 1851) -- valid -- Berdmore's Berylmys, Grey Rat
  Berylmys bowersi (Anderson, 1879) -- valid -- Bower's Berylmys, Bower's Rat
  Berylmys mackenziei (Thomas, 1916) -- valid -- Mackenzie's Berylmys
  Berylmys manipulus (Thomas, 1916) -- valid -- Manipur Berylmys
  Bettongia Gray, 1837 -- valid -- short-nosed 'rat'-kangaroos
  Bettongia gaimardi (Desmarest, 1822) -- valid -- Eastern Bettong
  Bettongia lesueur (Quoy and Gaimard, 1824) -- valid -- Boodie
  Bettongia penicillata Gray, 1837 -- valid -- Woylie
  Bibimys Massoia, 1979 -- valid -- Crimson-nosed Rats
  Bibimys chacoensis (Shamel, 1931) -- valid -- Chaco Crimson-nosed Rat, Chacoan Akodont
  Bibimys labiosus (Winge, 1887) -- valid -- Lagoa Santa Akodont, Large-lipped Crimson-nosed Rat
  Bibimys torresi Massoia, 1979 -- valid -- Torres' Akodont, Torres's Crimson-nosed Rat
  Bison C. H. Smith, 1827 -- valid -- bison
  Bison bison (Linnaeus, 1758) -- valid -- American bison, American Bison, bison, Bisonte americano
  Bison bison athabascae Rhoads, 1898 -- invalid -- wood bison
  Bison bonasus (Linnaeus, 1758) -- valid -- European bison, European Bison, wisent
  Biswamoyopterus Saha, 1981 -- valid
  Biswamoyopterus biswasi Saha, 1981 -- valid -- Namdapha Flying Squirrel
  Blanfordimys Argyropulo, 1933 -- valid -- Afghan Voles
  Blanfordimys afghanus (Thomas, 1912) -- valid -- Afghan Vole
  Blanfordimys bucharicus (Vinogradov, 1930) -- invalid -- Bucharian vole
  Blarina Gray, 1838 -- valid -- American short-tailed shrews
  Blarina brevicauda (Say, 1823) -- valid -- grande musaraigne, mole shrew, Northern Short-tailed Shrew, short-tailed shrew
  Blarina carolinensis (Bachman, 1837) -- valid -- Southern Short-tailed Shrew
  Blarina hylophaga Elliot, 1899 -- valid -- Elliot's Short-tailed Shrew
  Blarina telmalestes Merriam, 1895 -- invalid
  Blarinella Thomas, 1911 -- valid
  Blarinella quadraticauda (Milne-Edwards, 1872) -- valid -- Asiatic Short-tailed Shrew, Sichuan Short-tailed Shrew
  Blarinella wardi Thomas, 1915 -- valid -- Burmese Short-tailed Shrew, Ward's Short-tailed Shrew
  Blarinomys Thomas, 1896 -- valid
  Blarinomys breviceps (Winge, 1887) -- valid -- Blarinine Akodont, Brazilian Shrew Mouse
  Blastocerus Gray, 1850 -- invalid
  Blastocerus dichotomus (Illiger, 1815) -- valid -- Marsh Deer, marsh deer
  Bolomys Thomas, 1916 -- invalid
  Bolomys amoenus (Thomas, 1900) -- invalid -- Pleasant Bolo Mouse
  Bolomys lactens (Thomas, 1918) -- invalid -- Rufous-bellied Bolo Mouse
  Bolomys lasiurus (Lund, 1841) -- invalid -- Hairy-tailed Bolo Mouse
  Bolomys obscurus (Waterhouse, 1837) -- invalid -- Dark Bolo Mouse
  Bolomys punctulatus (Thomas, 1894) -- invalid -- Spotted Bolo Mouse
  Bolomys temchuki (Massoia, 1982) -- invalid -- Temchuk's Bolo Mouse
  Boneia Jentink, 1879 -- invalid
  Boneia bidens Jentink, 1879 -- invalid -- Manado fruit bat
  Boromys Miller, 1916 -- valid
  Boromys offella Miller, 1916 -- valid -- Oriente Cave Rat
  Boromys torrei Allen, 1917 -- valid -- Torre's Cave Rat
  Bos Linnaeus, 1758 -- valid -- oxen, true cattle
  Bos banteng Wagner, 1844 -- invalid -- banteng
  Bos bison Linnaeus, 1758 -- invalid -- American bison, bison
  Bos bonasus Linnaeus, 1758 -- invalid -- wisent
  Bos frontalis Lambert, 1804 -- valid -- gaur, Gaur, gayal, mithan
  Bos gaurus C. H. Smith, 1827 -- invalid -- gaur, seledang
  Bos grunniens Linnaeus, 1766 -- valid -- domestic yak, grunting ox, yak, Yak
  Bos grunniens grunniens Linnaeus, 1766 -- valid
  Bos indicus Linnaeus, 1758 -- invalid -- Brahma cattle, zebu cattle
  Bos javanicus d'Alton, 1823 -- valid -- banteng, Banteng, tsaine
  Bos primigenius Bojanus, 1827 -- invalid -- aurochs, urus, wild ox
  Bos sauveli Urbain, 1937 -- valid -- kouprey, Kouprey
  Bos taurus Linnaeus, 1758 -- valid -- aurochs, Aurochs, domestic cattle (feral), domesticated cattle
  Boselaphus Blainville, 1816 -- valid -- nilgai
  Boselaphus tragocamelus (Pallas, 1766) -- valid -- blue bull, nilgai, Nilgai
  Bovidae Gray, 1821 -- valid -- antelopes, bovids, cattle, goats, sheep
  Bovinae Gray, 1821 -- valid
  Brachiones Thomas, 1925 -- valid
  Brachiones przewalskii (Büchner, 1889) -- valid -- Przewalski's Gerbil, Przewalski's Jird
  Brachylagus Miller, 1900 -- valid -- pygmy rabbits
  Brachylagus idahoensis (Merriam, 1891) -- valid -- Pygmy Rabbit
  Brachyphylla Gray, 1834 -- valid -- Antillean fruit-eating bats
  Brachyphylla cavernarum Gray, 1834 -- valid -- Antillean fruit-eating bat, Antillean Fruit-eating Bat, antillian fruit-eating bat
  Brachyphylla nana Miller, 1902 -- valid -- Cuban fruit-eating bat, Cuban Fruit-eating Bat
  Brachyphyllinae Gray, 1866 -- invalid
  Brachytarsomys Günther, 1875 -- valid
  Brachytarsomys albicauda Günther, 1875 -- valid -- White-tailed Antsangy, White-tailed Rat
  Brachyteles Spix, 1823 -- valid
  Brachyteles arachnoides (É. Geoffroy Saint-Hilaire, 1806) -- valid -- muriqui, Southern Muriqui
  Brachyuromys Forsyth Major, 1896 -- valid -- Short-tailed Rats
  Brachyuromys betsileoensis (Bartlett, 1880) -- valid -- Betsileo Short-tailed Rat, Lesser Short-tailed Rat
  Brachyuromys ramirohitra Forsyth Major, 1896 -- valid -- Greater Short-tailed Rat, Gregarious Short-tailed Rat
  Brachyurus Spix, 1823 -- invalid
  Bradypodidae Gray, 1821 -- valid -- Three-toed Sloths
  Bradypus Linnaeus, 1758 -- valid
  Bradypus torquatus Illiger, 1811 -- valid -- Brazilian three-toed sloth, Maned Sloth, Maned Three-toed Sloth
  Bradypus tridactylus Linnaeus, 1758 -- valid -- Pale-throated Sloth, Pale-throated Three-toed Sloth
  Bradypus variegatus Schinz, 1825 -- valid -- Brown-throated Sloth, Brown-throated Three-toed Sloth
  Brotomys Miller, 1916 -- valid
  Brotomys contractus Miller, 1929 -- valid -- Haitian Edible Rat
  Brotomys voratus Miller, 1916 -- valid -- Hispaniolan Edible Rat
  Bubalus C. H. Smith, 1827 -- valid -- water buffalos
  Bubalus bubalis (Linnaeus, 1758) -- valid -- domestic water buffalo, Water Buffalo, water buffalo, water buffalo (feral)
  Bubalus depressicornis (C. H. Smith, 1827) -- valid -- anoa, Anoa, lowland anoa
  Bubalus mephistopheles Hopwood, 1925 -- valid -- short-horned water buffalo
  Bubalus mindorensis Heude, 1888 -- valid -- Tamarau, tamaraw
  Bubalus quarlesi (Ouwens, 1910) -- valid -- Mountain Anoa, mountain anoa
  Budorcas Hodgson, 1850 -- valid
  Budorcas taxicolor Hodgson, 1850 -- valid -- takin, Takin
  Bullimus Mearns, 1905 -- valid -- Philippine Rats
  Bullimus bagobus Mearns, 1905 -- valid -- Mindanao Bullimus
  Bullimus luzonicus (Thomas, 1895) -- valid -- Luzon Bullimus
  Bunolagus Thomas, 1929 -- valid
  Bunolagus monticularis (Thomas, 1903) -- valid -- Bushman Hare, Riverine Rabbit
  Bunomys Thomas, 1910 -- valid -- Hill Rats
  Bunomys andrewsi (J. A. Allen, 1911) -- valid -- Andrew's Bunomys
  Bunomys chrysocomus (Hoffmann, 1887) -- valid -- Common Bunomys
  Bunomys coelestis (Thomas, 1896) -- valid -- Lampobatang Bunomys
  Bunomys fratrorum (Thomas, 1896) -- valid -- Northeastern Peninsula Bunomys
  Bunomys heinrichi (Tate and Archbold, 1935) -- invalid
  Bunomys penitus (Miller and Hollister, 1921) -- valid -- Montane Bunomys
  Bunomys prolatus Musser, 1991 -- valid -- Tambusisi Bunomys
  Burramyidae Broom, 1898 -- valid
  Burramys Broom, 1896 -- valid
  Burramys parvus Broom, 1896 -- valid -- Mountain Pygmy Possum
  Cabassous McMurtrie, 1831 -- valid -- Naked-tailed Armadillos
  Cabassous centralis (Miller, 1899) -- valid -- Northern Naked-tailed Armadillo
  Cabassous chacoensis Wetzel, 1980 -- valid -- Chacoan Naked-tailed Armadillo
  Cabassous tatouay (Desmarest, 1804) -- valid -- Greater Naked-tailed Armadillo
  Cabassous unicinctus (Linnaeus, 1758) -- valid -- Southern Naked-tailed Armadillo
  Cacajao Lesson, 1840 -- valid
  Cacajao calvus (I. Geoffroy Saint-Hilaire, 1847) -- valid -- Bald Uacari, red uakari
  Cacajao melanocephalus (Humboldt, 1812) -- valid -- black uakari, Black-faced Uacari, Black-headed Uacari
  Caenolestes Thomas, 1895 -- valid -- common shrew opossums
  Caenolestes caniventer Anthony, 1921 -- valid -- Gray-bellied Caenolestid
  Caenolestes convelatus Anthony, 1924 -- valid -- Northern Caenolestid
  Caenolestes fuliginosus (Tomes, 1863) -- valid -- Dusky Caenolestid
  Caenolestidae Trouessart, 1898 -- valid -- shrew opossums
  Calcochloris Mivart, 1867 -- valid
  Calcochloris obtusirostris (Peters, 1851) -- valid -- Yellow Golden Mole
  Callicebinae Pocock, 1925 -- valid
  Callicebus Thomas, 1903 -- valid -- titi monkeys
  Callicebus brunneus (Wagner, 1842) -- invalid -- Brown Titi, brown titi monkey
  Callicebus caligatus (Wagner, 1842) -- invalid -- booted titi monkey, Chestnut-bellied Titi, chestnut-bellied titi monkey
  Callicebus cinerascens (Spix, 1823) -- invalid -- Ashy Black Titi, ashy black titi monkey, Ashy Titi, ashy titi monkey
  Callicebus cupreus (Spix, 1823) -- invalid -- Coppery Titi, coppery titi monkey, red titi, red titi monkey
  Callicebus donacophilus (d'Orbigny, 1836) -- invalid -- Bolivian titi, Bolivian titi monkey, White-eared Titi, white-eared titi monkey
  Callicebus dubius Hershkovitz, 1988 -- invalid -- Doubtful Titi, dubius titi, dubius titi monkey, Hershkovitz's Titi
  Callicebus hoffmannsi Thomas, 1908 -- invalid -- Hoffmanns' titi, Hoffmanns's Titi
  Callicebus modestus Lönnberg, 1939 -- invalid -- modest titi, modest titi monkey, Rio Beni Titi
  Callicebus moloch (Hoffmannsegg, 1807) -- invalid -- dusky titi, dusky titi monkey, Red-bellied Titi, red-bellied titi monkey
  Callicebus oenanthe Thomas, 1924 -- invalid -- Andean titi, Andean titi monkey, Rio Mayo Titi
  Callicebus olallae Lönnberg, 1939 -- invalid -- Olalla Brother's Titi, Olalla Brother's titi monkey, Olalla's titi, Olalla's titi monkey, Ollala Brothers' Titi
  Callicebus personatus (É. Geoffroy Saint-Hilaire, 1812) -- valid -- Atlantic Titi, Masked Titi, masked titi monkey
  Callicebus torquatus (Hoffmannsegg, 1807) -- invalid -- Collared Titi, collared titi monkey, White-collared Titi, yellow-handed titi, yellow-handed titi monkey
  Callimico Miranda Ribeiro, 1912 -- valid
  Callimico goeldii (Thomas, 1904) -- valid -- Goeldi's Marmoset, Goeldi's Monkey
  Callithrix Erxleben, 1777 -- valid
  Callithrix argentata (Linnaeus, 1771) -- invalid -- silvery marmoset
  Callithrix aurita (É. Geoffroy Saint-Hilaire, 1812) -- valid -- Buffy-tufted Marmoset, Buffy-tufted-ear Marmoset, white-eared marmoset
  Callithrix flaviceps (Thomas, 1903) -- valid -- Buffy-headed Marmoset
  Callithrix geoffroyi (Humboldt, 1812) -- valid -- Geoffroy's marmoset, Geoffroy's Tufted-ear Marmoset, White-headed Marmoset
  Callithrix humeralifera (É. Geoffroy Saint-Hilaire, 1812) -- invalid -- tassel-eared marmoset
  Callithrix jacchus (Linnaeus, 1758) -- valid -- Common Marmoset, white-tufted-ear marmoset
  Callithrix kuhlii Coimbra-Filho, 1985 -- valid -- Wied's Black-tufted-ear Marmoset, Wied's Marmoset
  Callithrix penicillata (É. Geoffroy Saint-Hilaire, 1812) -- valid -- black-pencilled marmoset, Black-tufted Marmoset, Black-tufted-ear Marmoset
  Callithrix pygmaea (Spix, 1823) -- invalid
  Callitrichidae Gray, 1821 -- valid -- marmosets, tamarins
  Callorhinus J. E. Gray, 1859 -- valid -- northern fur seals
  Callorhinus ursinus (Linnaeus, 1758) -- valid -- Northern Fur Seal
  Callosciurus Gray, 1867 -- valid -- Oriental Tree Squirrels
  Callosciurus adamsi (Kloss, 1921) -- valid -- Ear-spot Squirrel
  Callosciurus albescens (Bonhote, 1901) -- invalid -- Kloss squirrel, Kloss's squirrel
  Callosciurus baluensis (Bonhote, 1901) -- valid -- Kinabalu Squirrel
  Callosciurus caniceps (Gray, 1842) -- valid -- Gray-bellied Squirrel
  Callosciurus erythraeus (Pallas, 1779) -- valid -- Pallas's Squirrel
  Callosciurus finlaysonii (Horsfield, 1823) -- valid -- Finlayson's Squirrel
  Callosciurus inornatus (Gray, 1867) -- valid -- Inornate Squirrel
  Callosciurus melanogaster (Thomas, 1895) -- valid -- Mentawai Squirrel
  Callosciurus nigrovittatus (Horsfield, 1823) -- valid -- Black-striped Squirrel
  Callosciurus notatus (Boddaert, 1785) -- valid -- Plantain Squirrel
  Callosciurus orestes (Thomas, 1895) -- valid -- Borneo Black-banded Squirrel
  Callosciurus phayrei (Blyth, 1856) -- valid -- Phayre's Squirrel
  Callosciurus prevostii (Desmarest, 1822) -- valid -- Prevost's Squirrel
  Callosciurus pygerythrus (I. Geoffroy Saint-Hilaire, 1833) -- valid -- Irrawaddy Squirrel
  Callosciurus quinquestriatus (Anderson, 1871) -- valid -- Anderson's Squirrel
  Calomys Waterhouse, 1837 -- valid -- Vesper Mice
  Calomys boliviae (Thomas, 1901) -- valid -- Bolivian Laucha, Bolivian Vesper Mouse
  Calomys callidus (Thomas, 1916) -- valid -- Crafty Vesper Mouse, Reclusive Laucha
  Calomys callosus (Rengger, 1830) -- valid -- Big Laucha, Large Vesper Mouse
  Calomys hummelincki (Husson, 1960) -- valid -- Hummelinck's Laucha, Hummelinck's Vesper Mouse
  Calomys laucha (Fischer, 1814) -- valid -- Little Laucha, Small Vesper Mouse
  Calomys lepidus (Thomas, 1884) -- valid -- Andean Vesper Mouse, Graceful Laucha
  Calomys musculinus (Thomas, 1913) -- valid -- Drylands Laucha, Drylands Vesper Mouse
  Calomys sorellus (Thomas, 1900) -- valid -- Peruvian Laucha, Peruvian Vesper Mouse
  Calomys tener (Winge, 1888) -- valid -- Delicate Laucha, Delicate Vesper Mouse
  Calomyscinae Vorontsov and Potapova, 1979 -- invalid
  Calomyscus Thomas, 1905 -- valid -- Mouse-like Hamsters
  Calomyscus bailwardi Thomas, 1905 -- valid -- Mouse-like Hamster, Zagros Mountains Calomyscus
  Calomyscus baluchi Thomas, 1920 -- valid -- Baluchi mouse-like hamster, Pakistan Calomyscus
  Calomyscus hotsoni Thomas, 1920 -- valid -- Hotson's Calomyscus, Hotson's Mouse-like Hamster
  Calomyscus mystax Kashkarov, 1925 -- valid -- Afghan Mouse-like Hamster, Great Balkhan Calomyscus
  Calomyscus tsolovi Peshev, 1991 -- valid -- Syrian Calomyscus, Tsolov's mouse-like hamster
  Calomyscus urartensis Vorontsov and Kartavseva, 1979 -- valid -- Urar Calomyscus, Urartsk mouse-like hamster
  Caloprymnus Thomas, 1888 -- valid
  Caloprymnus campestris (Gould, 1843) -- valid -- Desert Rat-kangaroo
  Caluromyinae Kirsch, 1977 -- valid
  Caluromys J. A. Allen, 1900 -- valid -- woolly opossum
  Caluromys derbianus (Waterhouse, 1841) -- valid -- Derby's Woolly Opossum
  Caluromys lanatus (Olfers, 1818) -- valid -- Brown-eared Woolly Opossum
  Caluromys philander (Linnaeus, 1758) -- valid -- Bare-tailed Woolly Opossum
  Caluromysiops Sanborn, 1951 -- valid -- black-shouldered opossums
  Caluromysiops irrupta Sanborn, 1951 -- valid -- Black-shouldered Opossum
  Camelidae Gray, 1821 -- valid -- camels
  Camelus Linnaeus, 1758 -- valid -- camels
  Camelus bactrianus Linnaeus, 1758 -- valid -- Bactrian camel, Bactrian Camel
  Camelus dromedarius Linnaeus, 1758 -- valid -- dromedary, One-humped Camel
  Canariomys Crusafont-Pairo and F. Petter, 1964 -- valid
  Canariomys tamarani Lopez-Martinez and Lopez-Jurado, 1987 -- valid
  Canidae Fischer, 1817 -- valid -- coyotes, dogs, foxes, jackals, wolves
  Caniformia Kretzoi, 1938 -- valid -- dog-like carnivores
  Canis Linnaeus, 1758 -- valid -- dogs, foxes, jackals
  Canis adustus Sundevall, 1847 -- valid -- Side-striped Jackal
  Canis aureus Linnaeus, 1758 -- valid -- Eurasian Golden Jackal, Golden Jackal
  Canis dingo Meyer, 1793 -- invalid -- Dingo
  Canis familiaris Linnaeus, 1758 -- invalid -- domestic dog, domestic dog (feral)
  Canis latrans Say, 1823 -- valid -- Coyote, coyote, Coyote
  Canis lupus Linnaeus, 1758 -- valid -- Gray Wolf, Lobo gris, loup, Wolf
  Canis lupus lupus Linnaeus, 1758 -- valid
  Canis lupus lycaon Schreber, 1775 -- valid
  Canis mesomelas Schreber, 1775 -- valid -- Black-backed Jackal
  Canis microtis Sclater, 1883 -- invalid
  Canis rufus Audubon and Bachman, 1851 -- invalid -- Red Wolf
  Canis simensis Rüppell, 1840 -- valid -- Ethiopian Wolf, Simian jackal, Simien fox
  Cannomys Thomas, 1915 -- valid
  Cannomys badius (Hodgson, 1841) -- valid -- Lesser Bamboo Rat
  Cansumys G. M. Allen, 1928 -- valid
  Cansumys canus G. M. Allen, 1928 -- valid -- Gansu Hamster
  Caperea Gray, 1864 -- valid -- pygmy right whales
  Caperea marginata (Gray, 1846) -- valid -- Pygmy Right Whale
  Capra Linnaeus, 1758 -- valid -- goats
  Capra caucasica Güldenstaedt and Pallas, 1783 -- valid -- Tur, West Caucasian tur
  Capra cylindricornis (Blyth, 1841) -- invalid -- East Caucasian tur
  Capra falconeri (Wagner, 1839) -- valid -- markhor, Markhor
  Capra hircus Linnaeus, 1758 -- valid -- domestic goat, Goat, goat (feral)
  Capra ibex Linnaeus, 1758 -- valid -- Alpine Ibex, ibex
  Capra nubiana F. Cuvier, 1825 -- valid -- nubian ibex, Nubian Ibex
  Capra pyrenaica Schinz, 1838 -- valid -- Spanish Ibex, Spanish ibex
  Capra sibirica (Pallas, 1776) -- valid -- Siberian ibex, Siberian Ibex
  Capra walie Rüppell, 1835 -- valid -- Walia, Walia ibex
  Capreolinae Brookes, 1828 -- valid
  Capreolus Gray, 1821 -- valid -- roe deer
  Capreolus capreolus (Linnaeus, 1758) -- valid -- European Roe, western roe deer
  Capreolus pygargus (Pallas, 1771) -- valid -- eastern roe deer, Siberian Roe
  Capricornis sumatraensis sumatraensis (Bechstein, 1799) -- invalid
  Caprinae Gray, 1821 -- valid
  Caprolagus Blyth, 1845 -- valid
  Caprolagus hispidus (Pearson, 1839) -- valid -- Assam Rabbit, Bristly Rabbit, Hispid Hare
  Capromyidae Smith, 1842 -- valid -- capromyid rodents
  Capromyinae Smith, 1842 -- valid
  Capromys Desmarest, 1822 -- valid
  Capromys pilorides (Say, 1822) -- valid -- Desmarest's Hutia
  Caracal Gray, 1843 -- valid
  Caracal caracal (Schreber, 1776) -- valid -- Caracal
  Cardiocraniinae Vinogradov, 1925 -- valid
  Cardiocranius Satunin, 1903 -- valid
  Cardiocranius paradoxus Satunin, 1903 -- valid -- Five-toed Dwarf Jerboa, Five-toed Pygmy Jerboa
  Cardioderma Peters, 1873 -- valid
  Cardioderma cor (Peters, 1872) -- valid -- heart-nosed bat, Heart-nosed Bat
  Carnivora Bowdich, 1821 -- valid -- cachorro do mato, carnivores, carnivores, carnívoro, gato do mato, lontra
  Carollia Gray, 1838 -- valid
  Carollia brevicauda (Schinz, 1821) -- valid -- silky short-tailed bat, Silky Short-tailed Bat
  Carollia castanea H. Allen, 1890 -- valid -- chestnut short-tailed bat, Chestnut Short-tailed Bat
  Carollia perspicillata (Linnaeus, 1758) -- valid -- Seba's short-tailed bat, Seba's Short-tailed Bat
  Carollia subrufa (Hahn, 1905) -- valid -- gray short-tailed bat, Gray Short-tailed Bat
  Carolliinae Miller, 1924 -- valid
  Carpomys Thomas, 1895 -- valid -- Luzon Tree Rats
  Carpomys melanurus Thomas, 1895 -- valid -- Large Luzon Carpomys
  Carpomys phaeurus Thomas, 1895 -- valid -- Small Luzon Carpomys
  Carterodon Waterhouse, 1848 -- valid
  Carterodon sulcidens (Lund, 1841) -- valid -- Owl's Spiny Rat
  Casinycteris Thomas, 1910 -- valid
  Casinycteris argynnis Thomas, 1910 -- valid -- Golden Short-palated Fruit Bat, short-palated fruit bat
  Castor Linnaeus, 1758 -- valid -- beavers
  Castor canadensis Kuhl, 1820 -- valid -- American Beaver, castor, Castor Americano
  Castor fiber Linnaeus, 1758 -- valid -- Eurasian Beaver
  Castor zibethicus Linnaeus, 1766 -- invalid
  Castoridae Hemprich, 1820 -- valid -- Beavers
  Catagonus Ameghino, 1904 -- valid
  Catagonus wagneri (Rusconi, 1930) -- valid -- Chacoan Peccary, Chacoan peccary
  Catopuma Severtzov, 1858 -- valid
  Catopuma badia (Gray, 1874) -- valid -- Bay Cat
  Catopuma temminckii (Vigors and Horsfield, 1827) -- valid -- Asian Golden Cat, Asiatic golden cat, Temminck's golden cat
  Cavia Pallas, 1766 -- valid
  Cavia aperea Erxleben, 1777 -- valid -- Brazilian Guinea Pig
  Cavia fulgida Wagler, 1831 -- valid -- Shiny Guinea Pig
  Cavia magna Ximinez, 1980 -- valid -- Greater Guinea Pig
  Cavia porcellus (Linnaeus, 1758) -- valid -- Domesticated Guinea Pig
  Cavia tschudii Fitzinger, 1857 -- valid -- Montane Guinea Pig
  Caviidae Fischer de Waldheim, 1817 -- valid
  Caviinae Fischer de Waldheim, 1817 -- valid
  Cebidae Bonaparte, 1831 -- valid -- new world monkeys
  Cebinae Bonaparte, 1831 -- valid -- capuchin monkeys
  Cebus Erxleben, 1777 -- valid -- gracile capuchins, untufted capuchins
  Cebus albifrons (Humboldt, 1812) -- valid -- Humboldt's White-fronted Capuchin, White-fronted Capuchin
  Cebus apella (Linnaeus, 1758) -- invalid -- brown capuchin, Tufted Capuchin
  Cebus capucinus (Linnaeus, 1758) -- valid -- Colombian White-faced Capuchin, white-faced capuchin, White-headed Capuchin
  Cebus olivaceus Schomburgk, 1848 -- valid -- Guianan Weeper Capuchin, weeping capuchin
  Celaenomys Thomas, 1898 -- invalid
  Celaenomys silaceus (Thomas, 1895) -- invalid
  Centronycteris Gray, 1838 -- valid
  Centronycteris maximiliani (J. Fischer, 1829) -- valid -- shaggy bat, Shaggy Bat
  Centurio Gray, 1842 -- valid
  Centurio senex Gray, 1842 -- valid -- wrinkle-faced bat, Wrinkle-faced Bat
  Cephalophinae Blyth, 1863 -- valid
  Cephalophus C. H. Smith, 1827 -- valid -- forest duikers
  Cephalophus adersi Thomas, 1918 -- valid -- Aders' Duiker, Aders's duiker
  Cephalophus callipygus Peters, 1876 -- valid -- Peters' Duiker, Peters's duiker
  Cephalophus dorsalis Gray, 1846 -- valid -- bay duiker, Bay Duiker
  Cephalophus harveyi (Thomas, 1893) -- invalid -- Harvey's duiker
  Cephalophus jentinki Thomas, 1892 -- valid -- Jentink's duiker, Jentink's Duiker
  Cephalophus leucogaster Gray, 1873 -- valid -- White-bellied Duiker, white-bellied duiker
  Cephalophus maxwellii (C. H. Smith, 1827) -- invalid -- Maxwell's duiker
  Cephalophus monticola (Thunberg, 1789) -- invalid -- blue duiker
  Cephalophus natalensis A. Smith, 1834 -- valid -- Natal duiker, Red Duiker
  Cephalophus niger Gray, 1846 -- valid -- black duiker, Black Duiker
  Cephalophus nigrifrons Gray, 1871 -- valid -- Black-fronted Duiker, black-fronted duiker
  Cephalophus ogilbyi (Waterhouse, 1838) -- valid -- Ogilby's duiker, Ogilby's Duiker
  Cephalophus rubidus Thomas, 1901 -- invalid -- Ruwenzori duiker
  Cephalophus rufilatus Gray, 1846 -- valid -- red-flanked duiker, Red-flanked Duiker
  Cephalophus silvicultor (Afzelius, 1815) -- valid -- ligit-backed duiker, yellow-backed duiker, Yellow-backed Duiker
  Cephalophus spadix True, 1890 -- valid -- Abbott's Duiker, Abbott's duiker
  Cephalophus weynsi Thomas, 1901 -- valid -- Weyns's duiker, Weyns's Duiker
  Cephalophus zebra Gray, 1838 -- valid -- striped-backed duiker, zebra duiker, Zebra Duiker
  Cephalorhynchus Gray, 1846 -- valid -- piebald dolphins
  Cephalorhynchus commersonii (Lacépède, 1804) -- valid -- Commerson's Dolphin, piebald dolphin
  Cephalorhynchus eutropia (Gray, 1846) -- valid -- Black Dolphin, Chilean Dolphin
  Cephalorhynchus heavisidii (Gray, 1828) -- valid -- Haviside's Dolphin, Heaviside's Dolphin
  Cephalorhynchus hectori (P.-J. van Bénéden, 1881) -- valid -- Hector's Dolphin
  Ceratotherium Gray, 1868 -- valid
  Ceratotherium simum (Burchell, 1817) -- valid -- Southern White Rhinoceros, Square-lipped Rhinoceros, White Rhinoceros
  Cercartetus Gloger, 1841 -- valid -- pygmy possums
  Cercartetus caudatus (Milne-Edwards, 1877) -- valid -- Long-tailed Pygmy Possum
  Cercartetus concinnus (Gould, 1845) -- valid -- Southwestern Pygmy Possum
  Cercartetus lepidus (Thomas, 1888) -- valid -- Tasmanian Pygmy Possum
  Cercartetus nanus (Desmarest, 1818) -- valid -- Eastern Pygmy Possum
  Cercocebus É. Geoffroy Saint-Hilaire, 1812 -- valid -- capped mangabeys
  Cercocebus agilis A. Milne-Edwards, 1886 -- valid -- Agile Mangabey
  Cercocebus galeritus Peters, 1879 -- valid -- Tana River Mangabey
  Cercocebus torquatus (Kerr in Linnaeus, 1792) -- valid -- Collared Mangabey, Red-capped Mangabey
  Cercolophocebus Matschie, 1914 -- invalid
  Cercopithecidae Gray, 1821 -- valid -- Old World monkeys
  Cercopithecinae Gray, 1821 -- valid -- cercopithecines
  Cercopithecus Linnaeus, 1758 -- valid -- arborial guenons
  Cercopithecus ascanius (Audebert, 1799) -- valid -- black-cheeked white-nosed monkey, Red-tailed Monkey
  Cercopithecus campbelli Waterhouse, 1838 -- valid -- Campbell's Mona Monkey, Campbell's Monkey
  Cercopithecus cephus (Linnaeus, 1758) -- valid -- Moustached Guenon, moustached monkey, Mustached Monkey
  Cercopithecus diana (Linnaeus, 1758) -- valid -- Diana Monkey
  Cercopithecus dryas Schwarz, 1932 -- valid -- Dryad Monkey, Dryas Monkey
  Cercopithecus erythrogaster Gray, 1866 -- valid -- Red-bellied Monkey, White-throated Guenon
  Cercopithecus erythrotis Waterhouse, 1838 -- valid -- Red-eared Guenon, Red-eared Monkey
  Cercopithecus hamlyni Pocock, 1907 -- valid -- Hamlyn's Monkey, Owl-faced Monkey
  Cercopithecus lhoesti Sclater, 1899 -- invalid -- L'Hoest's monkey
  Cercopithecus mitis Wolf, 1822 -- valid -- Blue Monkey
  Cercopithecus mona (Schreber, 1775) -- valid -- Mona Monkey
  Cercopithecus neglectus Schlegel, 1876 -- valid -- De Brazza's Monkey
  Cercopithecus nictitans (Linnaeus, 1766) -- valid -- Greater spot-nosed Monkey, Putty-nosed Monkey, white-nosed guenon
  Cercopithecus petaurista (Schreber, 1774) -- valid -- Lesser Spot-nosed Monkey, lesser white-nosed monkey, Spot-nosed Monkey
  Cercopithecus pogonias Bennett, 1833 -- valid -- Crested Mona Monkey, crowned guenon, Crowned Monkey
  Cercopithecus preussi Matschie, 1898 -- invalid
  Cercopithecus sclateri Pocock, 1904 -- valid -- Sclater's Guenon, Sclater's Monkey
  Cercopithecus solatus Harrison, 1988 -- invalid -- sun-tailed monkey
  Cercopithecus wolfi Meyer, 1891 -- valid -- Wolf's Mona Monkey, Wolf's Monkey
  Cerdocyon C. E. H. Smith, 1839 -- valid
  Cerdocyon thous (Linnaeus, 1766) -- valid -- Crab-eating Fox
  Cervidae Goldfuss, 1820 -- valid -- caribou, cervids, deer, moose, wapiti
  Cervinae Goldfuss, 1820 -- valid
  Cervus Linnaeus, 1758 -- valid -- deer, red deer, wapiti
  Cervus albirostris Przewalski, 1883 -- invalid -- Thorold's deer
  Cervus alfredi Sclater, 1870 -- invalid -- Visayan deer, Visayan spotted deer
  Cervus duvaucelii G. Cuvier, 1823 -- invalid -- barasingha, swamp deer
  Cervus elaphus Linnaeus, 1758 -- valid -- Ciervo común, elk, Red Deer (see comments), wapiti, wapiti, wapiti or elk
  Cervus elaphus barbarus Bennett, 1833 -- valid -- Barbary deer, Barbary stag
  Cervus elaphus elaphus Linnaeus, 1758 -- valid -- wapiti
  Cervus elaphus hanglu Wagner, 1844 -- valid -- Kashmir stag
  Cervus eldii M'Clelland, 1842 -- invalid -- Eld's brow-antlered deer, Eld's deer
  Cervus mariannus Desmarest, 1822 -- invalid -- Philippine brown deer, Philippine deer, Philippine sambar
  Cervus nippon Temminck, 1838 -- valid -- Sika, Sika deer
  Cervus schomburgki Blyth, 1863 -- invalid -- Schomburgk's deer
  Cervus timorensis Blainville, 1822 -- invalid -- Timor deer
  Cervus unicolor Kerr, 1792 -- invalid -- sambar
  Cetacea Brisson, 1762 -- valid -- baleia, baleines, cetaceans, cetáceo, cétacés, dauphins, dolphins, golfinho, mammfères marins, marine mammals, marsouins, porpoises, whales
  Chaerephon Dobson, 1874 -- valid
  Chaerephon aloysiisabaudiae (Festa, 1907) -- valid -- Duke of Abruzzi's free-tailed bat, Duke of Abruzzi's Free-tailed Bat
  Chaerephon ansorgei (Thomas, 1913) -- valid -- Ansorge's free-tailed bat, Ansorge's Free-tailed Bat
  Chaerephon bemmeleni (Jentink, 1879) -- valid -- gland-tailed free-tailed bat, Gland-tailed Free-tailed Bat
  Chaerephon bivittata (Heuglin, 1861) -- invalid -- spotted free-tailed bat
  Chaerephon chapini J. A. Allen, 1917 -- valid -- Chapin's free-tailed bat, Pale Free-tailed Bat
  Chaerephon gallagheri (Harrison, 1975) -- valid -- Gallagher's free-tailed bat, Gallagher's Free-tailed Bat
  Chaerephon jobensis (Miller, 1902) -- valid -- northern mastiff bat, Northern Mastiff Bat
  Chaerephon johorensis (Dobson, 1873) -- valid -- northern free-tailed bat, Northern Free-tailed Bat
  Chaerephon major (Trouessart, 1897) -- valid -- lappet-eared free-tailed bat, Lappet-eared Free-tailed Bat
  Chaerephon nigeriae Thomas, 1913 -- valid -- Nigerian free-tailed bat, Nigerian Free-tailed Bat
  Chaerephon plicata (Buchannan, 1800) -- invalid -- wrinkle-lipped free-tailed bat
  Chaerephon pumila (Cretzschmar, 1826) -- invalid -- little free-tailed bat
  Chaerephon russata J. A. Allen, 1917 -- invalid -- russet free-tailed bat
  Chaeropitheus Gervais, 1839 -- invalid
  Chaeropus Ogilby, 1838 -- valid
  Chaeropus ecaudatus (Ogilby, 1838) -- valid -- Pig-footed Bandicoot
  Chaetodipus Merriam, 1889 -- valid -- Coarse-haired Pocket Mice, hispid pocket mice
  Chaetodipus arenarius (Merriam, 1894) -- valid -- Little Desert Pocket Mouse, Sand Pocket Mouse
  Chaetodipus artus (Osgood, 1900) -- valid -- Narrow-skulled Pocket Mouse
  Chaetodipus baileyi (Merriam, 1894) -- valid -- Bailey's Pocket Mouse, Ratón-de abazones Sonorense
  Chaetodipus californicus (Merriam, 1889) -- valid -- California Pocket Mouse, Ratón-de abazones de California
  Chaetodipus eremicus (Mearns, 1898) -- valid -- Chihuahuan Desert Pocket Mouse, Chihuahuan Pocket Mouse, eastern desert pocket mouse
  Chaetodipus fallax (Merriam, 1889) -- valid -- Ratón-de abazones de San Diego, San Diego Pocket Mouse
  Chaetodipus formosus (Merriam, 1889) -- valid -- Long-tailed Pocket Mouse, Ratón-de abazones cola larga
  Chaetodipus goldmani (Osgood, 1900) -- valid -- Goldman's Pocket Mouse
  Chaetodipus hispidus (Baird, 1858) -- valid -- Hispid Pocket Mouse, Ratón-de abazones crespo
  Chaetodipus intermedius (Merriam, 1889) -- valid -- Ratón-de abazones de roca, Rock Pocket Mouse
  Chaetodipus lineatus (Dalquest, 1951) -- valid -- Lined Pocket Mouse
  Chaetodipus nelsoni (Merriam, 1894) -- valid -- Nelson's Pocket Mouse, Ratón-de abazones de Nelson
  Chaetodipus penicillatus (Woodhouse, 1852) -- valid -- Desert Pocket Mouse, Ratón-de abazones desértico
  Chaetodipus pernix (J. A. Allen, 1898) -- valid -- Sinaloan Pocket Mouse
  Chaetodipus spinatus (Merriam, 1889) -- valid -- Ratón-de abazones de Baja California, Spiny Pocket Mouse
  Chaetomyinae Thomas, 1897 -- valid
  Chaetomys Gray, 1843 -- valid
  Chaetomys subspinosus (Olfers, 1818) -- valid -- Bristle-spined Rat
  Chaetophractus Fitzinger, 1871 -- valid -- Hairy Armadillos
  Chaetophractus nationi (Thomas, 1894) -- valid -- Andean Hairy Armadillo
  Chaetophractus vellerosus (Gray, 1865) -- valid -- Screaming Hairy Armadillo
  Chaetophractus villosus (Desmarest, 1804) -- valid -- Big Hairy Armadillo, Large Hairy Armadillo
  Chalinolobus Peters, 1867 -- valid
  Chalinolobus alboguttatus (J. A. Allen, 1917) -- invalid -- Allen's striped bat
  Chalinolobus argentatus Dobson, 1875 -- invalid -- silvered bat
  Chalinolobus beatrix (Thomas, 1901) -- invalid -- Beatrix's bat
  Chalinolobus dwyeri Ryan, 1966 -- valid -- large-eared pied bat, Large-eared Pied Bat
  Chalinolobus egeria (Thomas, 1913) -- invalid -- Bibundi bat
  Chalinolobus gleni (Peterson and Smith, 1973) -- invalid -- Glen's wattled bat
  Chalinolobus gouldii (Gray, 1841) -- valid -- Gould's wattled bat, Gould's Wattled Bat
  Chalinolobus kenyacola (Peterson, 1982) -- invalid -- Kenyan wattled bat
  Chalinolobus morio (Gray, 1841) -- valid -- chocolate wattled bat, Chocolate Wattled Bat
  Chalinolobus nigrogriseus (Gould, 1852) -- valid -- hoary wattled bat, Hoary Wattled Bat
  Chalinolobus picatus (Gould, 1852) -- valid -- little pied bat, Little Pied Bat
  Chalinolobus poensis (Gray, 1842) -- invalid
  Chalinolobus superbus (Hayman, 1939) -- invalid
  Chalinolobus tuberculatus (Forster, 1844) -- valid -- long-tailed wattled bat, Long-tailed Wattled Bat
  Chalinolobus variegatus (Tomes, 1861) -- invalid
  Cheirogaleidae Gray, 1873 -- valid
  Cheirogaleinae Gray, 1873 -- invalid
  Cheirogaleus É. Geoffroy Saint-Hilaire, 1812 -- valid -- dwarf lemurs
  Cheirogaleus major É. Geoffroy Saint-Hilaire, 1812 -- valid -- Greater Dwarf Lemur
  Cheirogaleus medius É. Geoffroy Saint-Hilaire, 1812 -- valid -- Fat-tailed Dwarf Lemur, Lesser Dwarf Lemur
  Cheiromeles Horsfield, 1824 -- valid
  Cheiromeles torquatus Horsfield, 1824 -- valid -- Greater Naked Bat, hairless bat
  Chelemys Thomas, 1903 -- valid -- Greater Long-clawed Mice
  Chelemys macronyx (Thomas, 1894) -- valid -- Andean Long-clawed Akodont, Andean long-clawed mouse
  Chelemys megalonyx (Waterhouse, 1845) -- valid -- Large Long-clawed Akodont, Large Long-clawed Mouse
  Chibchanomys Voss, 1988 -- valid
  Chibchanomys trichotis (Thomas, 1897) -- valid -- Chibchan Ichthyomyine, Chibchan water mouse
  Chilomys Thomas, 1897 -- valid
  Chilomys instans (Thomas, 1895) -- valid -- Andean Chilomys, Colombian forest mouse
  Chimarrogale Anderson, 1877 -- valid
  Chimarrogale hantu Harrison, 1958 -- valid -- Hantu Water Shrew, Malayan Water Shrew
  Chimarrogale himalayica (Gray, 1842) -- valid -- Himalayan Water Shrew
  Chimarrogale phaeura Thomas, 1898 -- valid -- Bornean Water Shrew, Sunda Water Shrew
  Chimarrogale platycephala (Temminck, 1842) -- invalid -- Flat-headed Water Shrew
  Chimarrogale styani de Winton, 1899 -- valid -- Chinese Water Shrew, Styan's Water Shrew
  Chimarrogale sumatrana (Thomas, 1921) -- valid -- Sumatra Water Shrew, Sumatran Water Shrew
  Chinchilla Bennett, 1829 -- valid
  Chinchilla brevicaudata Waterhouse, 1848 -- invalid
  Chinchilla lanigera (Molina, 1782) -- invalid
  Chinchillidae Bennett, 1833 -- valid
  Chinchillula Thomas, 1898 -- valid
  Chinchillula sahamae Thomas, 1898 -- valid -- Achallo, Altiplano Chinchilla Mouse
  Chionomys Miller, 1908 -- valid -- Snow Voles
  Chionomys gud (Satunin, 1909) -- valid -- Caucasian snow vole, Gudaur Snow Vole
  Chionomys nivalis (Martins, 1842) -- valid -- European Snow Vole, Snow Vole
  Chionomys roberti (Thomas, 1906) -- valid -- Robert's Snow Vole, Robert's Vole
  Chiroderma Peters, 1860 -- valid
  Chiroderma doriae Thomas, 1891 -- valid -- Brazilian big-eyed bat, Brazilian Big-eyed Bat
  Chiroderma improvisum Baker and Genoways, 1976 -- valid -- Guadeloupe big-eyed bat, Guadeloupean Big-eyed Bat
  Chiroderma salvini Dobson, 1878 -- valid -- Salvin's big-eyed bat, Salvin's Big-eyed Bat
  Chiroderma trinitatum Goodwin, 1958 -- valid -- little big-eyed bat, Little Big-eyed Bat
  Chiroderma villosum Peters, 1860 -- valid -- hairy big-eyed bat, Hairy Big-eyed Bat
  Chiromys Illiger, 1811 -- invalid
  Chiromyscus Thomas, 1925 -- valid
  Chiromyscus chiropus (Thomas, 1891) -- valid -- Fea's Tree Rat, Indochinese Chiromyscus
  Chironax K. Andersen, 1912 -- valid
  Chironax melanocephalus (Temminck, 1825) -- valid -- black-capped fruit bat, Black-capped Fruit Bat
  Chironectes Illiger, 1811 -- valid -- water opossum, yapok
  Chironectes minimus (Zimmermann, 1780) -- valid -- Tlacuache acuático, Water Opossum, yapok
  Chiropodomys Peters, 1868 -- valid -- Pencil-tailed Tree Mouse
  Chiropodomys calamianensis (Taylor, 1934) -- valid -- Palawan Pencil-tailed Tree Mouse
  Chiropodomys gliroides (Blyth, 1856) -- valid -- Indomalayan Pencil-tailed Tree Mouse
  Chiropodomys karlkoopmani Musser, 1979 -- valid -- Koopman's Pencil-tailed Tree Mouse
  Chiropodomys major Thomas, 1893 -- valid -- Greater Pencil-tailed Tree Mouse
  Chiropodomys muroides Medway, 1965 -- valid -- Gray-bellied Pencil-tailed Tree Mouse
  Chiropodomys pusillus Thomas, 1893 -- valid -- Lesser Pencil-tailed Tree Mouse
  Chiropotes Lesson, 1840 -- valid
  Chiropotes albinasus (I. Geoffroy Saint-Hilaire and Deville, 1848) -- valid -- Red-nosed Bearded Saki, White-nosed Bearded Saki, White-nosed Saki
  Chiropotes satanas (Hoffmannsegg, 1807) -- valid -- Black Bearded Saki, Black Saki, brown-bearded saki
  Chiroptera Blumenbach, 1779 -- valid -- bats, morcego, quiróptero
  Chiruromys Thomas, 1888 -- valid -- Tree Mice
  Chiruromys forbesi Thomas, 1888 -- valid -- Forbes's Chiruromys
  Chiruromys lamia (Thomas, 1897) -- valid -- Broad-headed Chiruromys
  Chiruromys vates (Thomas, 1908) -- valid -- Lesser Chiruromys
  Chlamyphorinae Bonaparte, 1850 -- invalid -- pichiciegos
  Chlamyphorus Harlan, 1825 -- valid
  Chlamyphorus retusus Burmeister, 1863 -- invalid -- Chacoan Fairy Armadillo
  Chlamyphorus truncatus Harlan, 1825 -- valid -- Pink Fairy Armadillo
  Chlorocebus Gray, 1870 -- valid -- green monkeys, vervet monkeys
  Chlorocebus aethiops (Linnaeus, 1758) -- valid -- green monkey, Grivet, Grivet Monkey, vervet monkey
  Chlorotalpa Roberts, 1924 -- valid
  Chlorotalpa arendsi Lundholm, 1955 -- invalid -- Arend's golden mole
  Chlorotalpa duthieae (Broom, 1907) -- valid -- Duthie's Golden Mole
  Chlorotalpa leucorhina (Huet, 1885) -- invalid -- Congo golden mole
  Chlorotalpa sclateri (Broom, 1907) -- valid -- Sclater's Golden Mole
  Chlorotalpa tytonis (Simonetta, 1968) -- invalid -- Somali golden mole
  Choeroniscus Thomas, 1928 -- valid
  Choeroniscus godmani (Thomas, 1903) -- valid -- Godman's long-tailed bat, Godman's Long-tongued Bat
  Choeroniscus intermedius (J. A. Allen and Chapman, 1893) -- invalid -- intermediate long-tailed bat
  Choeroniscus minor (Peters, 1868) -- valid -- lesser long-tailed bat, Lesser Long-tongued Bat
  Choeroniscus periosus Handley, 1966 -- valid -- greater long-tailed bat, Greater Long-tongued Bat
  Choeronycteris Tschudi, 1844 -- valid -- long-tongued bats
  Choeronycteris mexicana Tschudi, 1844 -- valid -- long-tongued bat, Mexican long-tongued bat, Mexican Long-tongued Bat, Murciélago trompudo
  Choloepus Illiger, 1811 -- valid -- two-toed sloths
  Choloepus didactylus (Linnaeus, 1758) -- valid -- Linnaeus's Two-toed Sloth, Southern Two-toed Sloth
  Choloepus hoffmanni Peters, 1858 -- valid -- Hoffmann's Two-toed Sloth
  Chroeomys Thomas, 1916 -- invalid
  Chroeomys andinus (Philippi, 1858) -- invalid -- Andean Altiplano Mouse
  Chroeomys jelskii (Thomas, 1894) -- invalid -- Jelski's Altiplano Mouse
  Chrotogale Thomas, 1912 -- valid
  Chrotogale owstoni Thomas, 1912 -- valid -- Owston's Palm Civet
  Chrotomys Thomas, 1895 -- valid -- Philippine Striped Rats
  Chrotomys gonzalesi Rickart and Heaney, 1991 -- valid -- Isarog Chrotomys
  Chrotomys mindorensis Kellogg, 1945 -- valid -- Lowland Chrotomys
  Chrotomys whiteheadi Thomas, 1895 -- valid -- Montane Chrotomys
  Chrotopterus Peters, 1865 -- valid
  Chrotopterus auritus (Peters, 1856) -- valid -- big-eared woolly bat, Woolly False Vampire Bat
  Chrysochloridae Gray, 1825 -- valid
  Chrysochloris Lacépède, 1799 -- valid
  Chrysochloris asiatica (Linnaeus, 1758) -- valid -- Cape Golden Mole
  Chrysochloris stuhlmanni Matschie, 1894 -- valid -- Stuhlmann's Golden Mole
  Chrysochloris visagiei Broom, 1950 -- valid -- Visagie's Golden Mole
  Chrysocyon C. E. H. Smith, 1839 -- valid
  Chrysocyon brachyurus (Illiger, 1815) -- valid -- Maned Wolf
  Chrysospalax Gill, 1883 -- valid
  Chrysospalax trevelyani (Günther, 1875) -- valid -- Giant Golden Mole
  Chrysospalax villosus (A. Smith, 1833) -- valid -- Rough-haired Golden Mole
  Civettictis Pocock, 1915 -- valid
  Civettictis civetta (Schreber, 1776) -- valid -- African Civet
  Clethrionomys Tilesius, 1850 -- invalid -- red-backed voles
  Clethrionomys californicus (Merriam, 1890) -- invalid -- Western Red-backed Vole
  Clethrionomys centralis (Miller, 1906) -- invalid -- Tien Shan red-backed vole
  Clethrionomys gapperi (Vigors, 1830) -- invalid -- campagnol à dos roux de Gapper, Southern Red-backed Vole
  Clethrionomys glareolus (Schreber, 1780) -- invalid -- Bank vole
  Clethrionomys rufocanus (Sundevall, 1846) -- invalid -- Gray Red-backed Vole
  Clethrionomys rutilus (Pallas, 1779) -- invalid -- Northern Red-backed Vole
  Clethrionomys sikotanensis (Tokuda, 1935) -- invalid -- Shikotan vole
  Clidomyinae Woods, 1989 -- valid
  Clidomys Anthony, 1920 -- valid
  Clidomys osborni Anthony, 1920 -- valid -- Osborn's Key Mouse
  Clidomys parvus Anthony, 1920 -- invalid
  Cloeotis Thomas, 1901 -- valid
  Cloeotis percivali Thomas, 1901 -- valid -- Percival's Short-eared Trident Bat, Percival's trident bat
  Clyomys Thomas, 1916 -- valid
  Clyomys bishopi Ávila-Pires and Wutke, 1981 -- valid -- Bishop's Fossorial Spiny Rat
  Clyomys laticeps (Thomas, 1909) -- valid -- Broad-headed Spiny Rat
  Coccymys Menzies, 1990 -- valid -- Brush Mice
  Coccymys albidens (Tate, 1951) -- invalid -- White-toothed Coccymys
  Coccymys ruemmleri (Tate and Archbold, 1941) -- valid -- Rümmler's Coccymys
  Coelops Blyth, 1848 -- valid
  Coelops frithi Blyth, 1848 -- invalid -- East Asian tailless leaf-nosed bat
  Coelops hirsutus (Miller, 1910) -- invalid -- Philippine tailless leaf-nosed bat
  Coelops robinsoni Bonhote, 1908 -- valid -- Malayan tailless leaf-nosed bat, Malayan Tailless Leaf-nosed Bat
  Coendou Lacépède, 1799 -- valid
  Coendou bicolor (Tschudi, 1844) -- valid -- Bicolored-spined Porcupine
  Coendou koopmani Handley and Pine, 1992 -- invalid
  Coendou prehensilis (Linnaeus, 1758) -- valid -- Brazilian Porcupine
  Coendou rothschildi Thomas, 1902 -- valid -- Rothchild's Porcupine
  Coleura Peters, 1867 -- valid
  Coleura afra (Peters, 1852) -- valid -- African sheath-tailed bat, African Sheath-tailed Bat
  Coleura seychellensis Peters, 1868 -- valid -- Seychelles sheath-tailed bat, Seychelles Sheath-tailed Bat
  Colobinae Jerdon, 1867 -- valid -- colobines, leaf-eating monkeys
  Colobus Illiger, 1811 -- valid -- black-and-white colobus
  Colobus angolensis Sclater, 1860 -- valid -- Angola Colobus, Angolan Colobus
  Colobus guereza Rüppell, 1835 -- valid -- Guereza, Mantled Guereza
  Colobus polykomos (Zimmermann, 1780) -- valid -- King Colobus
  Colobus satanas Waterhouse, 1838 -- valid -- Black Colobus
  Colomys Thomas and Wroughton, 1907 -- valid
  Colomys goslingi Thomas and Wroughton, 1907 -- valid -- African Wading Rat
  Comopithecus J. A. Allen, 1925 -- invalid
  Condylura Illiger, 1811 -- valid -- star-nosed moles
  Condylura cristata (Linnaeus, 1758) -- valid -- condylure étoilé, Star-nosed Mole
  Conepatus Gray, 1837 -- valid -- hog-nosed skunks
  Conepatus chinga (Molina, 1782) -- valid -- Molina's Hog-nosed Skunk
  Conepatus humboldtii Gray, 1837 -- valid -- Humboldt's Hog-nosed Skunk
  Conepatus leuconotus (Lichtenstein, 1832) -- valid -- American Hog-nosed Skunk, badger skunk, eastern hog-nosed skunk, rooter skunk, Texas skunk, white-backed hog-nosed skunk, Zorrillo-narigón occidental
  Conepatus mesoleucus (Lichtenstein, 1832) -- invalid -- hog-nosed skunk, western hog-nosed skunk, Zorrillo-narigón norteño
  Conepatus semistriatus (Boddaert, 1785) -- valid -- Striped Hog-nosed Skunk
  Congosorex Heim de Balsac and Lamotte, 1956 -- valid
  Congosorex polli (Heim de Balsac and Lamotte, 1956) -- valid -- Greater Congo Shrew, Poll's Shrew
  Conilurus Ogilby, 1838 -- valid -- Rabbit Rats
  Conilurus albipes (Lichtenstein, 1829) -- valid -- White-footed Conilurus
  Conilurus penicillatus (Gould, 1842) -- valid -- Brush-tailed Conilurus
  Connochaetes Lichtenstein, 1812 -- valid -- wildebeests
  Connochaetes gnou (Zimmermann, 1780) -- valid -- black wildebeest, Black Wildebeest
  Connochaetes taurinus (Burchell, 1823) -- valid -- Blue Wildebeest, blue wildebeest
  Cormura Peters, 1867 -- valid
  Cormura brevirostris (Wagner, 1843) -- valid -- chestnut sac-winged bat, Chestnut Sac-winged Bat
  Corynorhinus H. Allen, 1865 -- valid -- big-eared bats
  Corynorhinus mexicanus G. M. Allen, 1916 -- valid -- Mexican Big-eared Bat, Murciélago-mula Mexicano
  Corynorhinus rafinesquii (Lesson, 1827) -- valid -- eastern big-eared bat, eastern long-eared bat, eastern lump-nosed bat, Rafinesque's big-eared bat, Rafinesque's Big-eared Bat, southeastern big-eared bat
  Corynorhinus townsendii (Cooper, 1837) -- valid -- mule-eared bat, Pacific Townsend's big-eared bat, Townsend's Big-eared Bat, Townsend's big-eared bat, western big-eared bat, western long-eared bat, western lump-nosed bat
  Corynorhinus townsendii australis Handley, 1955 -- valid
  Corynorhinus townsendii ingens Handley, 1955 -- valid -- Ozark big-eared bat
  Corynorhinus townsendii pallescens Miller, 1897 -- valid -- pale Townsend's big-eared bat
  Corynorhinus townsendii townsendii (Cooper, 1837) -- valid -- Pacific Townsend's big-eared bat, Townsend's big-eared bat
  Corynorhinus townsendii virginianus Handley, 1955 -- valid -- Virginia big-eared bat
  Coryphomys Schaub, 1937 -- valid
  Coryphomys buehleri Schaub, 1937 -- valid -- Buhler's Coryphomys
  Craseonycteridae Hill, 1974 -- valid
  Craseonycteris Hill, 1974 -- valid
  Craseonycteris thonglongyai Hill, 1974 -- valid -- bumblebee bat, Bumblebee bat, hog-nosed bat, Hog-nosed Bat
  Crateromys Thomas, 1895 -- valid -- Bushy-tailed Cloud Rats
  Crateromys australis Musser, Heaney and Rabor, 1985 -- valid -- Dinagat Crateromys
  Crateromys paulus Musser and Gordon, 1981 -- valid -- Ilin Crateromys
  Crateromys schadenbergi (Meyer, 1895) -- valid -- Luzon Crateromys
  Cremnomys Wroughton, 1912 -- valid -- Indian Rats
  Cremnomys blanfordi (Thomas, 1881) -- invalid
  Cremnomys cutchicus Wroughton, 1912 -- valid -- Cutch Cremnomys, Cutch Rat
  Cremnomys elvira (Ellerman, 1947) -- valid -- Elvira Cremnomys
  Cricetidae Fischer, 1817 -- valid
  Cricetinae Fischer, 1817 -- valid
  Cricetomyinae Roberts, 1951 -- valid
  Cricetomys Waterhouse, 1840 -- valid -- African Giant Pouched Rats
  Cricetomys emini Wroughton, 1910 -- valid -- Forest Giant Pouched Rat, Giant Rat
  Cricetomys gambianus Waterhouse, 1840 -- valid -- Gambian Rat, Northern Giant Pouched Rat
  Cricetulus Milne-Edwards, 1867 -- valid -- Dwarf Hamsters
  Cricetulus alticola Thomas, 1917 -- valid -- Ladak Dwarf Hamster, Short-tailed Tibetan Hamster, Tibetan dwarf hamster
  Cricetulus barabensis (Pallas, 1773) -- valid -- Striped Dwarf Hamster, Striped Hamster
  Cricetulus kamensis (Satunin, 1903) -- valid -- Kam Dwarf Hamster, Tibetan Dwarf Hamster
  Cricetulus longicaudatus (Milne-Edwards, 1867) -- valid -- Lesser Long-tailed Hamster, Long-tailed Dwarf Hamster
  Cricetulus migratorius (Pallas, 1773) -- valid -- Gray Dwarf Hamster, Migratory Hamster
  Cricetulus sokolovi Orlov and Malygin, 1988 -- valid -- Sokolov's Dwarf Hamster
  Cricetus Leske, 1779 -- valid
  Cricetus cricetus (Linnaeus, 1758) -- valid -- Black-bellied Hamster, Common Hamster
  Crocidura Wagler, 1832 -- valid
  Crocidura aleksandrisi Vesmanis, 1977 -- valid -- Alexandrian Shrew, Cyrenaica Shrew
  Crocidura allex Osgood, 1910 -- valid -- East African Highland Shrew, Highland Shrew
  Crocidura andamanensis Miller, 1902 -- valid -- Andaman Shrew
  Crocidura ansellorum Hutterer and Dippenaar, 1987 -- valid -- Ansell's Shrew
  Crocidura arabica Hutterer and Harrison, 1988 -- valid -- Arabian Shrew
  Crocidura armenica Gureev, 1963 -- valid -- Armenian Shrew
  Crocidura attenuata Milne-Edwards, 1872 -- valid -- Asian Gray Shrew, Indochinese Shrew
  Crocidura attila Dollman, 1915 -- valid -- Hun Shrew
  Crocidura baileyi Osgood, 1936 -- valid -- Bailey's Shrew
  Crocidura batesi Dollman, 1915 -- valid -- Bate's Shrew, Bates's Shrew
  Crocidura beatus Miller, 1910 -- valid -- Mindanao Shrew
  Crocidura beccarii Dobson, 1887 -- valid -- Beccari's Shrew
  Crocidura bottegi Thomas, 1898 -- valid -- Bottego's Shrew
  Crocidura bottegoides Hutterer and Yalden, 1990 -- valid -- Bale Shrew
  Crocidura buettikoferi Jentink, 1888 -- valid -- Buettikofer's Shrew
  Crocidura caliginea Hollister, 1916 -- valid -- African Dusky Shrew, African Foggy Shrew
  Crocidura canariensis Hutterer, Lopez-Jurado and Vogel, 1987 -- valid -- Canarian Shrew, Canary Shrew
  Crocidura cinderella Thomas, 1911 -- valid -- Cinderella Shrew
  Crocidura congobelgica Hollister, 1916 -- valid -- Congo Shrew, Congo White-toothed Shrew
  Crocidura cossyrensis Contoli, 1989 -- invalid -- Pantellerian Shrew
  Crocidura crenata Brosset, Dubost and Heim de Balsac, 1965 -- valid -- Long-footed Shrew
  Crocidura crossei Thomas, 1895 -- valid -- Crosse's Shrew
  Crocidura cyanea (Duvernoy, 1838) -- valid -- Reddish-gray Musk Shrew
  Crocidura denti Dollman, 1915 -- valid -- Dent's Shrew
  Crocidura desperata Hutterer, Jenkins and Verheyen, 1991 -- valid -- Desperate Shrew
  Crocidura dhofarensis Hutterer and Harrison, 1988 -- valid -- Dhofar Shrew, Dhofarian Shrew
  Crocidura dolichura Peters, 1876 -- valid -- Long-tailed Musk Shrew
  Crocidura douceti Heim de Balsac, 1958 -- valid -- Doucet's Musk Shrew
  Crocidura dsinezumi (Temminck, 1842) -- valid -- Dsinezumi Shrew
  Crocidura eisentrauti Heim de Balsac, 1957 -- valid -- Eisentraut's Shrew
  Crocidura elgonius Osgood, 1910 -- valid -- Elgon Shrew
  Crocidura elongata Miller and Hollister, 1921 -- valid -- Elongated Shrew
  Crocidura erica Dollman, 1915 -- valid -- Heather Shrew
  Crocidura fischeri Pagenstecher, 1885 -- valid -- Fischer's Shrew
  Crocidura flavescens (I. Geoffroy Saint-Hilaire, 1827) -- valid -- Greater Red Musk Shrew
  Crocidura floweri Dollman, 1915 -- valid -- Flower's Shrew
  Crocidura foxi Dollman, 1915 -- valid -- Fox's Shrew
  Crocidura fuliginosa (Blyth, 1855) -- valid -- Southeast Asian Shrew
  Crocidura fulvastra (Sundevall, 1843) -- valid -- Savanna Shrew
  Crocidura fumosa Thomas, 1904 -- valid -- Smoky White-toothed Shrew
  Crocidura fuscomurina (Heuglin, 1865) -- valid -- Bicolored Musk Shrew, Tiny Musk Shrew
  Crocidura glassi Heim de Balsac, 1966 -- valid -- Glass's Shrew
  Crocidura goliath Thomas, 1906 -- valid -- Goliath Shrew
  Crocidura gracilipes Peters, 1870 -- valid -- Peters's Musk Shrew
  Crocidura grandiceps Hutterer, 1983 -- valid -- Large-headed Shrew
  Crocidura grandis Miller, 1911 -- valid -- Greater Mindanao Shrew, Mount Malindang Shrew, Mt. Malindang Shrew
  Crocidura grassei Brosset, Dubost and Heim de Balsac, 1965 -- valid -- Grasse's Shrew
  Crocidura grayi Dobson, 1890 -- valid -- Luzon Shrew
  Crocidura greenwoodi Heim de Balsac, 1966 -- valid -- Greenwood's Shrew
  Crocidura gueldenstaedtii (Pallas, 1811) -- invalid -- Gueldenstaedt's Shrew
  Crocidura harenna Hutterer and Yalden, 1990 -- valid -- Harenna Shrew
  Crocidura hildegardeae Thomas, 1904 -- valid -- Hildegarde's Shrew
  Crocidura hirta Peters, 1852 -- valid -- Lesser Red Musk Shrew
  Crocidura hispida Thomas, 1913 -- valid -- Andaman Spiny Shrew
  Crocidura horsfieldii (Tomes, 1856) -- valid -- Horsfield's Shrew
  Crocidura jacksoni Thomas, 1904 -- valid -- Jackson's Shrew
  Crocidura jenkinsi Chakraborty, 1978 -- valid -- Jenkin's Shrew
  Crocidura kivuana Heim de Balsac, 1968 -- valid -- Kivu Shrew
  Crocidura lamottei Heim de Balsac, 1968 -- valid -- Lamotte's Shrew
  Crocidura lanosa Heim de Balsac, 1968 -- valid -- Kivu Long-haired Shrew, Lemara Shrew
  Crocidura lasiura Dobson, 1890 -- valid -- Ussuri Shrew, Ussuri White-toothed Shrew
  Crocidura latona Hollister, 1916 -- valid -- Latona Shrew, Latona's Shrew
  Crocidura lea Miller and Hollister, 1921 -- valid -- Sulawesi Shrew
  Crocidura leucodon (Hermann, 1780) -- valid -- Bicolored Shrew
  Crocidura levicula Miller and Hollister, 1921 -- valid -- Celebes Shrew, Sulawesi Tiny Shrew
  Crocidura littoralis Heller, 1910 -- valid -- Butiaba Naked-tailed Shrew, Naked-tail Shrew
  Crocidura longipes Hutterer and Happold, 1983 -- valid -- Savanna Swamp Shrew
  Crocidura lucina Dippenaar, 1980 -- valid -- Lucina's Shrew, Moorland Shrew
  Crocidura ludia Hollister, 1916 -- valid -- Dramatic Shrew, Ludia's Shrew
  Crocidura luna Dollman, 1910 -- valid -- Greater Gray-brown Musk Shrew, Moonshine Shrew
  Crocidura lusitania Dollman, 1915 -- valid -- Mauritanian Shrew
  Crocidura macarthuri St. Leger, 1934 -- valid -- MacArthur's Shrew
  Crocidura macmillani Dollman, 1915 -- valid -- MacMillan's Shrew
  Crocidura macowi Dollman, 1915 -- valid -- Macow's Shrew, Nyiro Shrew
  Crocidura malayana Robinson and Kloss, 1911 -- valid -- Malayan Shrew
  Crocidura manengubae Hutterer, 1982 -- valid -- Manenguba Shrew
  Crocidura maquassiensis Roberts, 1946 -- valid -- Makwassie Musk Shrew, Maquassie Musk Shrew
  Crocidura mariquensis (A. Smith, 1844) -- valid -- Swamp Musk Shrew
  Crocidura maurisca Thomas, 1904 -- valid -- Dark Shrew, Gracile Naked-tailed Shrew
  Crocidura maxi Sody, 1936 -- valid -- Javanese Shrew, Max's Shrew
  Crocidura mindorus Miller, 1910 -- valid -- Mindoro Shrew
  Crocidura minuta Otten, 1917 -- invalid -- Minute Shrew
  Crocidura miya Phillips, 1929 -- valid -- Sri Lankan Long-tailed Shrew
  Crocidura monax Thomas, 1910 -- valid -- Kilimanjaro Shrew, Rombo Shrew
  Crocidura monticola Peters, 1870 -- valid -- Sunda Shrew
  Crocidura montis Thomas, 1906 -- valid -- Montane White-toothed Shrew
  Crocidura muricauda (Miller, 1900) -- valid -- Mouse-tailed Shrew, West African Long-tailed Shrew
  Crocidura mutesae Heller, 1910 -- valid -- Uganda Large-toothed Shrew, Ugandan Musk Shrew
  Crocidura nana Dobson, 1890 -- valid -- Dwarf White-toothed Shrew, Somali Dwarf Shrew
  Crocidura nanilla Thomas, 1909 -- valid -- Savanna Dwarf Shrew, Tiny White-toothed Shrew
  Crocidura neglecta Jentink, 1888 -- invalid -- Neglected Shrew
  Crocidura negrina Rabor, 1952 -- valid -- Negros Shrew
  Crocidura nicobarica Miller, 1902 -- valid -- Nicobar Shrew
  Crocidura nigeriae Dollman, 1915 -- valid -- Nigerian Shrew
  Crocidura nigricans Bocage, 1889 -- valid -- Black White-toothed Shrew, Blackish White-toothed Shrew
  Crocidura nigripes Miller and Hollister, 1921 -- valid -- Black-footed Shrew
  Crocidura nigrofusca Matschie, 1895 -- valid -- African Black Shrew, Tenebrous Shrew
  Crocidura nimbae Heim de Balsac, 1956 -- valid -- Nimba Shrew
  Crocidura niobe Thomas, 1906 -- valid -- Niobe's Shrew, Stony Shrew
  Crocidura obscurior Heim de Balsac, 1958 -- valid -- Obscure White-toothed Shrew, West African Pygmy Shrew
  Crocidura olivieri (Lesson, 1827) -- valid -- African Giant Shrew, Olivier's Shrew
  Crocidura orii Kuroda, 1924 -- valid -- Amami Shrew, Ryukyu Shrew
  Crocidura osorio Molina and Hutterer, 1989 -- invalid -- Osorio Shrew
  Crocidura palawanensis Taylor, 1934 -- valid -- Palawan Shrew
  Crocidura paradoxura Dobson, 1886 -- valid -- Paradox Shrew, Sumatran Long-tailed Shrew
  Crocidura parvipes Osgood, 1910 -- valid -- Small-footed Shrew
  Crocidura pasha Dollman, 1915 -- valid -- Pasha Shrew, Sahelian Tiny Shrew
  Crocidura pergrisea Miller, 1913 -- valid -- Pale Gray Shrew
  Crocidura phaeura Osgood, 1936 -- valid -- Guramba Shrew
  Crocidura picea Sanderson, 1940 -- valid -- Cameroonian Shrew, Pitch Shrew
  Crocidura pitmani Barclay, 1932 -- valid -- Pitman's Shrew
  Crocidura planiceps Heller, 1910 -- valid -- Flat-headed Shrew
  Crocidura poensis (Fraser, 1843) -- valid -- Fraser's Musk Shrew
  Crocidura polia Hollister, 1916 -- valid -- Fuscous Shrew, Polia's Shrew
  Crocidura pullata Miller, 1911 -- valid -- Dusky Shrew, Kashmir White-toothed Shrew
  Crocidura raineyi Heller, 1912 -- valid -- Rainey Shrew, Rainey's Shrew
  Crocidura religiosa (I. Geoffroy Saint-Hilaire, 1827) -- valid -- Egyptian Pygmy Shrew
  Crocidura rhoditis Miller and Hollister, 1921 -- valid -- Sulawesi White-handed Shrew, Temboan Shrew
  Crocidura roosevelti (Heller, 1910) -- valid -- Roosevelt's Shrew
  Crocidura russula (Hermann, 1780) -- valid -- Greater White-toothed Shrew, White-toothed Shrew
  Crocidura selina Dollman, 1915 -- valid -- Moon Shrew, Ugandan Lowland Shrew
  Crocidura serezkyensis Laptev, 1929 -- valid -- Lesser Rock Shrew, Serezkaya Shrew
  Crocidura sibirica Dukelsky, 1930 -- valid -- Siberian Shrew
  Crocidura sicula Miller, 1900 -- valid -- Sicilian Shrew
  Crocidura silacea Thomas, 1895 -- valid -- Lesser Gray-brown Musk Shrew
  Crocidura smithii Thomas, 1895 -- valid -- Desert Musk Shrew
  Crocidura somalica Thomas, 1895 -- valid -- Somali Shrew
  Crocidura stenocephala Heim de Balsac, 1979 -- valid -- Kahuzi Swamp Shrew, Narrow-headed Shrew
  Crocidura suaveolens (Pallas, 1811) -- valid -- Lesser Shrew, Lesser White-toothed Shrew
  Crocidura susiana Redding and Lay, 1978 -- valid -- Iranian Shrew
  Crocidura tansaniana Hutterer, 1986 -- valid -- Tanzanian Shrew
  Crocidura tarella Dollman, 1915 -- valid -- Tarella Shrew, Ugandan Shrew
  Crocidura tarfayensis Vesmanis and Vesmanis, 1980 -- valid -- Saharan Shrew, Tarfaya Shrew
  Crocidura telfordi Hutterer, 1986 -- valid -- Telford's Shrew
  Crocidura tenuis (Müller, 1840) -- valid -- Thin Shrew, Timor Shrew
  Crocidura thalia Dippenaar, 1980 -- valid -- Thalia Shrew, Thalia's Shrew
  Crocidura theresae Heim de Balsac, 1968 -- valid -- Therese's Shrew
  Crocidura thomensis (Bocage, 1887) -- valid -- São Tomé Shrew
  Crocidura turba Dollman, 1910 -- valid -- Tumultuous Shrew, Turbo Shrew
  Crocidura ultima Dollman, 1915 -- valid -- Ultimate Shrew
  Crocidura usambarae Dippenaar, 1980 -- valid -- Usambara Shrew
  Crocidura viaria (I. Geoffroy Saint-Hilaire, 1834) -- valid -- Savanna Path Shrew
  Crocidura voi Osgood, 1910 -- valid -- Voi Shrew
  Crocidura whitakeri de Winton, 1898 -- valid -- Whitaker's Shrew
  Crocidura wimmeri Heim de Balsac and Aellen, 1958 -- valid -- Wimmer's Shrew
  Crocidura xantippe Osgood, 1910 -- valid -- Vermiculate Shrew, Xanthippe's Shrew
  Crocidura yankariensis Hutterer and Jenkins, 1980 -- valid -- Yankari Shrew
  Crocidura zaphiri Dollman, 1915 -- valid -- Zaphir's Shrew
  Crocidura zarudnyi Ognev, 1928 -- valid -- Zarudny's Rock Shrew, Zarudny's Shrew
  Crocidura zimmeri Osgood, 1936 -- valid -- Upemba Shrew, Zimmer's Shrew
  Crocidura zimmermanni Wettstein, 1953 -- valid -- Cretan Shrew, Zimmermann's Shrew
  Crocidurinae Milne-Edwards, 1872 -- valid -- white-toothed shrews
  Crocuta Kaup, 1828 -- valid
  Crocuta crocuta (Erxleben, 1777) -- valid -- Spotted Hyena
  Crossarchus F. G. Cuvier, 1825 -- valid
  Crossarchus alexandri Thomas and Wroughton, 1907 -- valid -- Alexander's cusimanse, Alexander's Kusimanse
  Crossarchus ansorgei Thomas, 1910 -- valid -- Angolan Kusimanse, Ansorge's cusimanse
  Crossarchus obscurus F. G. Cuvier, 1825 -- valid -- Common Kusimanse, long-nosed cusimanse
  Crossomys Thomas, 1907 -- valid
  Crossomys moncktoni Thomas, 1907 -- valid -- Earless New Guinea Water Rat
  Crunomys Thomas, 1897 -- valid -- Philippine Shrew Rats
  Crunomys celebensis Musser, 1982 -- valid -- Sulawesi Shrew Mouse
  Crunomys fallax Thomas, 1897 -- valid -- Luzon Shrew Mouse
  Crunomys melanius Thomas, 1907 -- valid -- Mindanao Shrew Mouse
  Crunomys rabori Musser, 1982 -- invalid
  Cryptochloris Shortridge and Carter, 1938 -- valid
  Cryptochloris wintoni (Broom, 1907) -- valid -- De Winton's Golden Mole
  Cryptochloris zyli Shortridge and Carter, 1938 -- valid -- Van Zyl's Golden Mole
  Cryptomys Gray, 1864 -- valid
  Cryptomys bocagei (de Winton, 1897) -- valid -- Bocage's Mole-rat
  Cryptomys damarensis (Ogilby, 1838) -- valid -- Damara Mole-rat
  Cryptomys foxi (Thomas, 1911) -- valid -- Nigerian Mole-rat
  Cryptomys hottentotus (Lesson, 1826) -- valid -- Southern African Mole-rat
  Cryptomys mechowi (Peters, 1881) -- valid -- Giant Mole-rat
  Cryptomys ochraceocinereus (Heuglin, 1864) -- valid -- Ochre Mole-rat
  Cryptomys zechi (Matschie, 1900) -- valid -- Togo Mole-rat
  Cryptoprocta Bennett, 1833 -- valid
  Cryptoprocta ferox Bennett, 1833 -- valid -- Fossa
  Cryptoproctinae Gray, 1865 -- invalid
  Cryptotis Pomel, 1848 -- valid -- small-eared shrews
  Cryptotis avia G. M. Allen, 1923 -- invalid -- Andean Small-eared Shrew
  Cryptotis endersi Setzer, 1950 -- valid -- Enders's Small-eared Shrew
  Cryptotis goldmani (Merriam, 1895) -- valid -- Goldman's Broad-clawed Shrew, Goldman's Small-eared Shrew
  Cryptotis goodwini Jackson, 1933 -- valid -- Goodwin's Broad-clawed Shrew, Goodwin's Small-eared Shrew
  Cryptotis gracilis Miller, 1911 -- valid -- Talamancan Small-eared Shrew
  Cryptotis hondurensis Woodman and Timm, 1992 -- valid -- Honduran Small-eared Shrew
  Cryptotis magna (Merriam, 1895) -- valid -- Big Mexican Small-eared Shrew, Big Small-eared Shrew
  Cryptotis meridensis (Thomas, 1898) -- valid -- Merida Small-eared Shrew
  Cryptotis mexicana (Coues, 1877) -- valid -- Mexican Small-eared Shrew
  Cryptotis montivaga (Anthony, 1921) -- valid -- Ecuadorean Small-eared Shrew, Wandering Small-eared Shrew
  Cryptotis nigrescens (J. A. Allen, 1895) -- valid -- Blackish Small-eared Shrew
  Cryptotis parva (Say, 1823) -- valid -- bee shrew, Least Shrew, little short-tailed shrew, Musaraña-orejillas mínima, North American Least Shrew, small short-tailed shrew
  Cryptotis squamipes (J. A. Allen, 1912) -- valid -- Scaly-footed Small-eared Shrew, Western Colombian Small-eared Shrew
  Cryptotis thomasi (Merriam, 1897) -- valid -- Thomas' Small-eared Shrew
  Ctenodactylidae Gervais, 1853 -- valid -- Comb Rats, Gundis
  Ctenodactylus Gray, 1830 -- valid -- Common Gundis
  Ctenodactylus gundi (Rothmann, 1776) -- valid -- Common Gundi, Gundi
  Ctenodactylus vali Thomas, 1902 -- valid -- Val's Gundi
  Ctenomyidae Lesson, 1842 -- valid
  Ctenomys Blainville, 1826 -- valid
  Ctenomys argentinus Contreras and Berry, 1982 -- valid -- Argentine Tuco-tuco
  Ctenomys australis Rusconi, 1934 -- valid -- Southern Tuco-tuco
  Ctenomys azarae Thomas, 1903 -- valid -- Azara's Tuco-tuco
  Ctenomys boliviensis Waterhouse, 1848 -- valid -- Bolivian Tuco-tuco
  Ctenomys bonettoi Contreras and Berry, 1982 -- valid -- Bonetto's Tuco-tuco
  Ctenomys brasiliensis Blainville, 1826 -- valid -- Brazilian Tuco-tuco
  Ctenomys colburni J. A. Allen, 1903 -- valid -- Colburn's Tuco-tuco
  Ctenomys conoveri Osgood, 1946 -- valid -- Chacoan Tuco-tuco
  Ctenomys dorsalis Thomas, 1900 -- valid -- Black-backed Tuco-tuco
  Ctenomys emilianus Thomas and St. Leger, 1926 -- valid -- Emilio's Tuco-tuco
  Ctenomys frater Thomas, 1902 -- valid -- Reddish Tuco-tuco
  Ctenomys fulvus Philippi, 1860 -- valid -- Tawny Tuco-tuco
  Ctenomys haigi Thomas, 1917 -- valid -- Haig's Tuco-tuco
  Ctenomys knighti Thomas, 1919 -- valid -- Catamarca Tuco-tuco
  Ctenomys latro Thomas, 1918 -- valid -- Mottled Tuco-tuco
  Ctenomys leucodon Waterhouse, 1848 -- valid -- White-toothed Tuco-tuco
  Ctenomys lewisi Thomas, 1926 -- valid -- Lewis' Tuco-tuco
  Ctenomys magellanicus Bennett, 1836 -- valid -- Magellanic Tuco-tuco
  Ctenomys maulinus Philippi, 1872 -- valid -- Maule Tuco-tuco
  Ctenomys mendocinus Philippi, 1869 -- valid -- Mendoza Tuco-tuco
  Ctenomys minutus Nehring, 1887 -- valid -- Tiny Tuco-tuco
  Ctenomys nattereri Wagner, 1848 -- invalid
  Ctenomys occultus Thomas, 1920 -- valid -- Furtive Tuco-tuco
  Ctenomys opimus Wagner, 1848 -- valid -- Highland Tuco-tuco
  Ctenomys pearsoni Lessa and Langguth, 1983 -- valid -- Pearson's Tuco-tuco
  Ctenomys perrensis Thomas, 1896 -- invalid
  Ctenomys peruanus Sanborn and Pearson, 1947 -- valid -- Peruvian Tuco-tuco
  Ctenomys pontifex Thomas, 1918 -- valid -- San Luis Tuco-tuco
  Ctenomys porteousi Thomas, 1916 -- valid -- Porteous's Tuco-tuco
  Ctenomys saltarius Thomas, 1912 -- valid -- Salta Tuco-tuco
  Ctenomys sericeus J. A. Allen, 1903 -- valid -- Silky Tuco-tuco
  Ctenomys sociabilis Pearson and Christie, 1985 -- valid -- Colonial Tuco-tuco
  Ctenomys steinbachi Thomas, 1907 -- valid -- Steinbach's Tuco-tuco
  Ctenomys talarum Thomas, 1898 -- valid -- Los Talas Tuco-tuco
  Ctenomys torquatus Lichtenstein, 1830 -- valid -- Collared Tuco-tuco
  Ctenomys tuconax Thomas, 1925 -- valid -- Robust Tuco-tuco
  Ctenomys tucumanus Thomas, 1900 -- valid -- Tucumán Tuco-tuco
  Ctenomys validus Contreras, Roig and Suzarte, 1977 -- valid -- Guanacache Tuco-tuco
  Cuon Hodgson, 1838 -- valid
  Cuon alpinus (Pallas, 1811) -- valid -- Asiatic Wild Dog, Dhole, Indian dhole, Red Dog
  Cyclopes Gray, 1821 -- valid -- pygmy anteaters
  Cyclopes didactylus (Linnaeus, 1758) -- valid -- Silky Anteater
  Cynictis Ogilby, 1833 -- valid
  Cynictis penicillata (G.[Baron] Cuvier, 1829) -- valid -- Yellow Mongoose
  Cynocephalidae Simpson, 1945 -- valid
  Cynocephalus G. Cuvier and É. Geoffroy Saint-Hilaire, 1795 -- invalid
  Cynocephalus Boddaert, 1768 -- valid
  Cynocephalus variegatus (Audebert, 1799) -- invalid -- Malayan Flying Lemur
  Cynocephalus volans (Linnaeus, 1758) -- valid -- Philippine Flying Lemur
  Cynogale Gray, 1837 -- valid
  Cynogale bennettii Gray, 1837 -- valid -- Otter Civet
  Cynomys Rafinesque, 1817 -- valid -- Prairie Dogs
  Cynomys gunnisoni (Baird, 1855) -- valid -- Gunnison's Prairie Dog
  Cynomys leucurus Merriam, 1890 -- valid -- White-tailed Prairie Dog
  Cynomys ludovicianus (Ord, 1815) -- valid -- Arizona black-tailed prairie dog, Black-tailed Prairie Dog, Perro-llanero cola negra
  Cynomys mexicanus Merriam, 1892 -- valid -- Mexican Prairie Dog, Mexican prairie marmot
  Cynomys parvidens J. A. Allen, 1905 -- valid -- Utah Prairie Dog
  Cynopterus F. Cuvier, 1824 -- valid
  Cynopterus brachyotis (Müller, 1838) -- valid -- lesser short-nosed fruit bat, Lesser Short-nosed Fruit Bat
  Cynopterus horsfieldi Gray, 1843 -- invalid -- Horsfield's fruit bat
  Cynopterus nusatenggara Kitchener and Maharadatunkamsi, 1991 -- valid -- Nusatenggara short-nosed fruit bat, Nusatenggara Short-nosed Fruit Bat
  Cynopterus sphinx (Vahl, 1797) -- valid -- greater short-nosed fruit bat, Greater Short-nosed Fruit Bat
  Cynopterus titthaecheilus (Temminck, 1825) -- valid -- Indonesian short-nosed fruit bat, Indonesian Short-nosed Fruit Bat
  Cystophora Nilsson, 1820 -- valid -- hooded seals
  Cystophora cristata (Erxleben, 1777) -- valid -- bladdernose seal, Hooded Seal, phoque à capuchon
  Cyttarops Thomas, 1913 -- valid
  Cyttarops alecto Thomas, 1913 -- valid -- short-eared bat, Short-eared Bat
  Dacnomys Thomas, 1916 -- valid
  Dacnomys millardi Thomas, 1916 -- valid -- Large-toothed Rat, Millard's Dacnomys, Millard's Rat
  Dactylomyinae Tate, 1935 -- valid
  Dactylomys I. Geoffroy Saint-Hilaire, 1838 -- valid
  Dactylomys boliviensis Anthony, 1920 -- valid -- Bolivian Bamboo Rat
  Dactylomys dactylinus (Desmarest, 1817) -- valid -- Amazon Bamboo Rat
  Dactylomys peruanus J. A. Allen, 1900 -- valid -- Montane Bamboo Rat
  Dactylopsila Gray, 1858 -- valid
  Dactylopsila megalura Rothschild and Dollman, 1932 -- valid -- Great-tailed Triok
  Dactylopsila palpator Milne-Edwards, 1888 -- valid -- Long-fingered Triok
  Dactylopsila tatei Laurie, 1952 -- valid -- Tate's Triok
  Dactylopsila trivirgata Gray, 1858 -- valid -- Striped Possum
  Dama Frisch, 1775 -- valid -- fallow deer
  Dama dama (Linnaeus, 1758) -- valid -- fallow deer, Fallow Deer
  Dama mesopotamica (Brooke, 1875) -- invalid -- Mesopotamian fallow deer, Persian fallow deer
  Dama virginiana Zimmermann, 1780 -- invalid
  Dama virginiana clavia (Barbour and G. M. Allen, 1922) -- invalid
  Dama virginiana leucura (Douglas, 1829) -- invalid
  Dama virginianus Zimmermann, 1780 -- invalid
  Dama virginianus leucurus (Douglas, 1829) -- invalid
  Damaliscus P. L. Sclater and Thomas, 1894 -- valid -- sassabies
  Damaliscus hunteri (P. L. Sclater, 1889) -- invalid -- hirola
  Damaliscus lunatus (Burchell, 1823) -- valid -- Common Tsessebe, topi
  Damaliscus pygargus (Pallas, 1767) -- valid -- bontebok, Bontebok (see comments)
  Dasycercus Peters, 1875 -- valid -- mulgara
  Dasycercus byrnei (Spencer, 1896) -- invalid
  Dasycercus cristicauda (Krefft, 1867) -- valid -- Mulgara
  Dasykaluta Archer, 1982 -- valid
  Dasykaluta rosamondae (Ride, 1964) -- valid -- Little Red Kaluta
  Dasymys Peters, 1875 -- valid -- Shaggy African Marsh Rats
  Dasymys foxi Thomas, 1912 -- valid -- Fox's Dasymys
  Dasymys incomtus (Sundevall, 1847) -- valid -- Common Dasymys
  Dasymys montanus Thomas, 1906 -- valid -- Ruwenzori Dasymys
  Dasymys nudipes (Peters, 1870) -- valid -- Angolan Dasymys
  Dasymys rufulus Miller, 1900 -- valid -- West African Dasymys
  Dasypodidae Gray, 1821 -- valid -- Armadillos
  Dasypodinae Gray, 1821 -- valid -- armadillos
  Dasyprocta Illiger, 1811 -- valid
  Dasyprocta azarae Lichtenstein, 1823 -- valid -- Azara's Agouti
  Dasyprocta coibae Thomas, 1902 -- valid -- Coiban Agouti
  Dasyprocta cristata (É. Geoffroy Saint-Hilaire, 1803) -- valid -- Crested Agouti
  Dasyprocta fuliginosa Wagler, 1832 -- valid -- Black Agouti
  Dasyprocta guamara Ojasti, 1972 -- valid -- Orinoco Agouti
  Dasyprocta kalinowskii Thomas, 1897 -- valid -- Kalinowski's Agouti
  Dasyprocta leporina (Linnaeus, 1758) -- valid -- Red-rumped Agouti
  Dasyprocta mexicana Saussure, 1860 -- valid -- Guaqueque mexicano, Mexican Agouti
  Dasyprocta prymnolopha Wagler, 1831 -- valid -- Black-rumped Agouti
  Dasyprocta punctata Gray, 1842 -- valid -- Central American Agouti, Guaqueque centroamericano
  Dasyprocta ruatanica Thomas, 1901 -- valid -- Roatán Island Agouti
  Dasyproctidae Bonaparte, 1838 -- valid
  Dasypus Linnaeus, 1758 -- valid -- Long-nosed Armadillos
  Dasypus hybridus (Desmarest, 1804) -- valid -- Southern Long-nosed Armadillo
  Dasypus kappleri Krauss, 1862 -- valid -- Greater Long-nosed Armadillo
  Dasypus novemcinctus Linnaeus, 1758 -- valid -- Armadillo nueve bandas, long-nosed armadillo, Nine-banded Armadillo
  Dasypus pilosus (Fitzinger, 1856) -- valid -- Hairy Long-nosed Armadillo
  Dasypus sabanicola Mondolfi, 1968 -- valid -- Llanos Long-nosed Armadillo
  Dasypus septemcinctus Linnaeus, 1758 -- valid -- Seven-banded Armadillo
  Dasyuridae Goldfuss, 1820 -- valid
  Dasyuromorphia Gill, 1872 -- valid
  Dasyurus É. Geoffroy Saint-Hilaire, 1796 -- valid -- native 'cats', Quolls, tiger 'cats'
  Dasyurus albopunctatus Schlegel, 1880 -- valid -- New Guinean Quoll
  Dasyurus geoffroii Gould, 1841 -- valid -- Western Quoll
  Dasyurus hallucatus Gould, 1842 -- valid -- Northern Quoll
  Dasyurus maculatus (Kerr, 1792) -- valid -- Tiger Quoll
  Dasyurus spartacus Van Dyck, 1987 -- valid -- Bronze Quoll
  Dasyurus viverrinus (Shaw, 1800) -- valid -- Eastern native-cat, Eastern Quoll
  Daubentonia É. Geoffroy Saint-Hilaire, 1795 -- valid
  Daubentonia madagascariensis (Gmelin, 1788) -- valid -- Aye-aye
  Daubentoniidae Gray, 1863 -- valid -- Aye-aye
  Delanymys Hayman, 1962 -- valid
  Delanymys brooksi Hayman, 1962 -- valid -- Delany's Swamp Mouse
  Delomys Thomas, 1917 -- valid -- Atlantic Forest Rats
  Delomys dorsalis (Hensel, 1873) -- valid -- Striped Atlantic Forest Rat, Striped Delomys
  Delomys sublineatus (Thomas, 1903) -- valid -- Pallid Atlantic Forest Rat, Pallid Delomys
  Delphinapterus Lacépède, 1804 -- valid -- belugas, white whales
  Delphinapterus leucas (Pallas, 1776) -- valid -- Beluga, béluga, belukha, white whale
  Delphinidae Gray, 1821 -- valid -- dolphins, killer whales, marine dolphins, pilot whales
  Delphinus Linnaeus, 1758 -- valid -- common dolphins
  Delphinus capensis Gray, 1828 -- invalid -- Long-beaked Common Dolphin, long-beaked saddle-backed dolphin, long-beaked saddleback dolphin
  Delphinus delphis Linnaeus, 1758 -- valid -- common dolphin, Delfín común, saddle-backed dolphin, Short-beaked Common Dolphin, short-beaked saddle-backed dolphin, Short-beaked Saddleback Dolphin
  Dendrogale Gray, 1848 -- valid -- Smooth-tailed Tree Shrews
  Dendrogale melanura (Thomas, 1892) -- valid -- Bornean Smooth-Tailed Treeshrew
  Dendrogale murina (Schlegel and Müller, 1843) -- valid -- Northern Smooth-Tailed Treeshrew
  Dendrohyrax Gray, 1868 -- valid -- Tree Hyraxes
  Dendrohyrax arboreus (A. Smith, 1827) -- valid -- Southern Tree Hyrax
  Dendrohyrax dorsalis (Fraser, 1854) -- valid -- Western Tree Hyrax
  Dendrohyrax validus True, 1890 -- invalid -- Eastern Tree Hyrax
  Dendrolagus Müller, 1840 -- valid -- tree kangaroos
  Dendrolagus bennettianus De Vis, 1886 -- valid -- Bennett's Tree-kangaroo
  Dendrolagus dorianus Ramsay, 1883 -- valid -- Doria's Tree-kangaroo
  Dendrolagus goodfellowi Thomas, 1908 -- valid -- Goodfellow's Tree-kangaroo
  Dendrolagus inustus Müller, 1840 -- valid -- Grizzled Tree-kangaroo
  Dendrolagus lumholtzi Collett, 1884 -- valid -- Lumholtz's Tree-kangaroo
  Dendrolagus matschiei Forster and Rothschild, 1907 -- valid -- Huon Tree-kangaroo
  Dendrolagus scottae Flannery and Seri, 1990 -- valid -- Tenkile
  Dendrolagus spadix Troughton and Le Souef, 1936 -- valid -- Lowlands Tree-kangaroo
  Dendrolagus ursinus (Temminck, 1836) -- valid -- Ursine Tree-kangaroo
  Dendromurinae G. M. Allen, 1939 -- valid
  Dendromus A. Smith, 1829 -- valid -- African Climbing Mice
  Dendromus insignis (Thomas, 1903) -- valid -- Montane African Climbing Mouse, Remarkable Climbing Mouse
  Dendromus kahuziensis Dieterlen, 1969 -- valid -- Mt Kahuzi African Climbing Mouse, Mt. Kahuzi Climbing Mouse
  Dendromus kivu Thomas, 1916 -- invalid -- Kivu climbing mouse
  Dendromus lovati (de Winton, 1900) -- valid -- Lovat's African Climbing Mouse, Lovat's Climbing Mouse
  Dendromus melanotis (A. Smith, 1834) -- valid -- Gray African Climbing Mouse, Gray Climbing Mouse
  Dendromus mesomelas (Brants, 1827) -- valid -- Brant's Climbing Mouse, Brants's African Climbing Mouse
  Dendromus messorius (Thomas, 1903) -- valid -- Banana African Climbing Mouse, Banana Climbing Mouse
  Dendromus mystacalis (Heuglin, 1863) -- valid -- Chestnut African Climbing Mouse, Chestnut Climbing Mouse
  Dendromus nyikae Wroughton, 1909 -- valid -- Nyika African Climbing Mouse, Nyika Climbing Mouse
  Dendromus oreas Osgood, 1936 -- valid -- Cameroon African Climbing Mouse, Cameroon Climbing Mouse
  Dendromus vernayi Hill and Carter, 1937 -- valid -- Vernay's African Climbing Mouse, Vernay's Climbing Mouse
  Dendroprionomys F. Petter, 1966 -- valid
  Dendroprionomys rousseloti F. Petter, 1966 -- valid -- Velvet African Climbing Mouse, Velvet Climbing Mouse
  Deomys Thomas, 1888 -- valid
  Deomys ferrugineus Thomas, 1888 -- valid -- Congo forest mouse, Congo Forest Rat
  Dephomys Thomas, 1926 -- valid
  Dephomys defua (Miller, 1900) -- valid -- Defua Dephomys
  Dephomys eburnea (Heim de Balsac and Bellier, 1967) -- invalid
  Dermoptera Illiger, 1811 -- valid -- Flying Lemurs
  Desmana Güldenstädt, 1777 -- valid
  Desmana moschata (Linnaeus, 1758) -- valid -- Desman, Russian Desman
  Desmaninae Thomas, 1912 -- invalid
  Desmodilliscus Wettstein, 1916 -- valid
  Desmodilliscus braueri Wettstein, 1916 -- valid -- Pouched Gerbil
  Desmodillus Thomas and Schwann, 1904 -- valid
  Desmodillus auricularis (A. Smith, 1834) -- valid -- Cape short-eared gerbil, Cape Short-tailed Gerbil
  Desmodontinae Wagner, 1840 -- valid
  Desmodus Wied-Neuwied, 1826 -- valid
  Desmodus rotundus (E. Geoffroy, 1810) -- valid -- Common Vampire Bat, vampire bat
  Desmomys Thomas, 1910 -- valid
  Desmomys harringtoni (Thomas, 1902) -- valid -- Harrington's Desmomys
  Diaemus Miller, 1906 -- valid
  Diaemus youngi (Jentink, 1893) -- valid -- white-winged vampire bat, White-winged Vampire Bat
  Dicerorhinus Gloger, 1841 -- valid
  Dicerorhinus sumatrensis (G. Fischer [von Waldheim], 1814) -- valid -- Asian Two-horned Rhinoceros, Badak Kerbau, Badak Sumbu, Hairy Rhinoceros, Sumatran Rhinoceros
  Diceros Gray, 1821 -- valid
  Diceros bicornis (Linnaeus, 1758) -- valid -- African black rhinoceros, Black Rhinoceros
  Diclidurus Wied-Neuwied, 1820 -- valid
  Diclidurus albus Wied-Neuwied, 1820 -- valid -- northern ghost bat, Northern Ghost Bat
  Diclidurus ingens Hernández-Camacho, 1955 -- valid -- greater ghost bat, Greater Ghost Bat
  Diclidurus isabellus (Thomas, 1920) -- valid -- Isabelle's ghost bat, Isabelle's Ghost Bat
  Diclidurus scutatus Peters, 1869 -- valid -- lesser ghost bat, Lesser Ghost Bat
  Dicrostonyx Gloger, 1841 -- valid -- Collared Lemmings
  Dicrostonyx exsul G. M. Allen, 1919 -- invalid -- St. Lawrence Island collared lemming
  Dicrostonyx groenlandicus (Traill, 1823) -- valid -- Collared Lemming, Greenland Collared Lemming, Nearctic Collared Lemming, Northern Collared Lemming
  Dicrostonyx hudsonius (Pallas, 1778) -- valid -- Labrador Collared Lemming, lemming d'Ungava, Ungava Collared Lemming
  Dicrostonyx kilangmiutak Anderson and Rand, 1945 -- invalid -- Kilangmiutak collared lemming, Victoria collared lemming
  Dicrostonyx nelsoni Merriam, 1900 -- valid -- Nelson's Collared Lemming
  Dicrostonyx nunatakensis Youngman, 1967 -- valid -- Ogilvie Mountain Collared Lemming, Ogilvie Mountains Collared Lemming
  Dicrostonyx richardsoni Merriam, 1900 -- valid -- Richardson's Collared Lemming
  Dicrostonyx rubricatus (Richardson, 1839) -- invalid -- Bering collared lemming, Tundra Collared Lemming
  Dicrostonyx torquatus (Pallas, 1778) -- valid -- Arctic Lemming, Collared Lemming, Palearctic Collared Lemming
  Dicrostonyx unalascensis Merriam, 1900 -- valid -- Aleutian Island Collared Lemming, Unalaska Collared Lemming
  Dicrostonyx vinogradovi Ognev, 1948 -- valid -- Wrangel Island Collared Lemming, Wrangel Lemming
  Didelphidae Gray, 1821 -- valid -- American opossums, opossoms
  Didelphimorphia Gill, 1872 -- valid -- American marsupials, cuica, didelfimorfo, gambá, marsupial, marsupials, mucura
  Didelphinae Gray, 1821 -- valid
  Didelphis Linnaeus, 1758 -- valid -- large American opossums
  Didelphis albiventris Lund, 1840 -- valid -- White-eared Opossum
  Didelphis aurita (Wied-Neuwied, 1826) -- valid -- Big-eared Opossum
  Didelphis marsupialis Linnaeus, 1758 -- valid -- Common Opossum, Tlacuache sureño
  Didelphis virginiana Kerr, 1792 -- valid -- opossum d'Amérique, Tlacuache norteño, Virginia Opossum
  Dinaromys Kretzoi, 1955 -- valid
  Dinaromys bogdanovi (Martino, 1922) -- valid -- Balkan Snow Vole, Martino's Snow Vole
  Dinomyidae Peters, 1873 -- valid
  Dinomys Peters, 1873 -- valid
  Dinomys branickii Peters, 1873 -- valid -- Pacarana
  Diomys Thomas, 1917 -- valid
  Diomys crumpi Thomas, 1917 -- valid -- Crump's Diomys, Crump's Mouse
  Diphylla Spix, 1823 -- valid -- hairy-legged vampire bats
  Diphylla ecaudata Spix, 1823 -- valid -- hairy-legged vampire bat, Hairy-legged Vampire Bat, Vampiro pata peluda
  Diplogale Thomas, 1912 -- valid
  Diplogale hosei (Thomas, 1892) -- valid -- Hose's Palm Civet
  Diplomesodon Brandt, 1852 -- valid
  Diplomesodon pulchellum (Lichtenstein, 1823) -- valid -- Piebald Shrew
  Diplomys Thomas, 1916 -- valid
  Diplomys caniceps (Günther, 1877) -- valid -- Colombian Soft-furred Spiny-rat
  Diplomys labilis (Bangs, 1901) -- valid -- Rufous Soft-furred Spiny-rat
  Diplomys rufodorsalis (J. A. Allen, 1899) -- valid -- Red Crested Soft-furred Spiny-rat
  Diplothrix Thomas, 1916 -- valid
  Diplothrix legatus (Thomas, 1906) -- invalid
  Dipodidae Fischer de Waldheim, 1817 -- valid -- birch mice, Jerboas, jumping mice
  Dipodinae Fischer de Waldheim, 1817 -- valid
  Dipodomyinae Gervais, 1853 -- valid
  Dipodomys Gray, 1841 -- valid -- Kangaroo Rats
  Dipodomys agilis Gambel, 1848 -- valid -- Agile Kangaroo Rat, Rata-canguro ágil
  Dipodomys californicus Merriam, 1890 -- valid -- California Kangaroo Rat
  Dipodomys californicus californicus Merriam, 1890 -- valid
  Dipodomys cascus Huey, 1962 -- invalid
  Dipodomys compactus True, 1889 -- valid -- Gulf Coast Kangaroo Rat, Rata-canguro de Del Padre
  Dipodomys deserti Stephens, 1887 -- valid -- Desert Kangaroo Rat, Rata-canguro desértica
  Dipodomys elator Merriam, 1894 -- valid -- Texas Kangaroo Rat
  Dipodomys elephantinus (Grinnell, 1919) -- invalid -- Big-eared Kangaroo Rat
  Dipodomys gravipes Huey, 1925 -- valid -- San Quintin Kangaroo Rat
  Dipodomys heermanni LeConte, 1853 -- valid -- Heermann's Kangaroo Rat
  Dipodomys ingens (Merriam, 1904) -- valid -- Giant Kangaroo Rat
  Dipodomys insularis Merriam, 1907 -- invalid -- San Jose Island Kangaroo Rat
  Dipodomys margaritae Merriam, 1907 -- invalid -- Margarita Island Kangaroo Rat
  Dipodomys merriami Mearns, 1890 -- valid -- Merriam's Kangaroo Rat, Rata-canguro de Merriam
  Dipodomys merriami exilis Merriam, 1894 -- invalid
  Dipodomys merriami merriami Mearns, 1890 -- valid
  Dipodomys merriami nitratoides Merriam, 1894 -- invalid
  Dipodomys microps (Merriam, 1904) -- valid -- Chisel-toothed Kangaroo Rat
  Dipodomys microps leucotis Goldman, 1931 -- valid -- Marble Canyon kangaroo rat
  Dipodomys microps microps (Merriam, 1904) -- valid
  Dipodomys nelsoni Merriam, 1907 -- valid -- Nelson's Kangaroo Rat
  Dipodomys nitratoides Merriam, 1894 -- valid -- Fresno Kangaroo Rat, San Joaquin kangaroo rat, San Joaquin Valley Kangaroo Rat
  Dipodomys ordii Woodhouse, 1853 -- valid -- Ord's Kangaroo Rat, Rata-canguro común
  Dipodomys panamintinus (Merriam, 1894) -- valid -- Panamint Kangaroo Rat
  Dipodomys phillipsii Gray, 1841 -- valid -- Phillips' Kangaroo Rat, Phillips's Kangaroo Rat
  Dipodomys spectabilis Merriam, 1890 -- valid -- Banner-tailed Kangaroo Rat, Rata-canguro cola de bandera
  Dipodomys stephensi (Merriam, 1907) -- valid -- Stephens' kangaroo rat, Stephens's Kangaroo Rat
  Dipodomys venustus (Merriam, 1904) -- valid -- Narrow-faced Kangaroo Rat
  Diprotodontia Owen, 1866 -- valid
  Dipus Zimmermann, 1780 -- valid -- Hairy-footed Jerboas
  Dipus sagitta (Pallas, 1773) -- valid -- Northern Three-toed Jerboa
  Distoechurus Peters, 1874 -- valid
  Distoechurus pennatus Peters, 1874 -- valid -- Feather-tailed Possum
  Dobsonia Palmer, 1898 -- valid
  Dobsonia beauforti Bergmans, 1975 -- valid -- Beaufort's naked-backed fruit bat, Beaufort's Naked-backed Fruit Bat
  Dobsonia chapmani Rabor, 1952 -- valid -- Negros naked-backed fruit bat, Negros Naked-backed Fruit Bat
  Dobsonia emersa Bergmans and Sarbini, 1985 -- valid -- Biak naked-backed fruit bat, Biak Naked-backed Fruit Bat
  Dobsonia exoleta K. Andersen, 1909 -- valid -- Sulawesi naked-backed fruit bat, Sulawesi Naked-backed Fruit Bat
  Dobsonia inermis K. Andersen, 1909 -- valid -- Solomons naked-backed fruit bat, Solomons Naked-backed Fruit Bat
  Dobsonia minor (Dobson, 1879) -- valid -- lesser naked-backed fruit bat, Lesser Naked-backed Fruit Bat
  Dobsonia moluccensis (Quoy and Gaimard, 1830) -- valid -- Moluccan naked-backed fruit bat, Moluccan Naked-backed Fruit Bat
  Dobsonia pannietensis (De Vis, 1905) -- valid -- Panniet naked-backed fruit bat, Panniet Naked-backed Fruit Bat
  Dobsonia peroni (E. Geoffroy, 1810) -- invalid -- western naked-backed fruit bat
  Dobsonia praedatrix K. Andersen, 1909 -- valid -- New Britain naked-backed fruit bat, New Britain Naked-backed Fruit Bat
  Dobsonia viridis (Heude, 1896) -- valid -- greenish naked-backed fruit bat, Greenish Naked-backed Fruit Bat
  Dolichotinae Pocock, 1922 -- valid
  Dolichotis Desmarest, 1820 -- valid
  Dolichotis patagonum (Zimmermann, 1780) -- valid -- Patagonian Mara
  Dolichotis salinicola Burmeister, 1876 -- valid -- Chacoan Mara
  Dologale Thomas, 1926 -- valid
  Dologale dybowskii (Pousargues, 1893) -- valid -- Pousargues' mongoose, Pousargues's Mongoose
  Dorcatragus Noack, 1894 -- valid
  Dorcatragus megalotis (Menges, 1894) -- valid -- beira, Beira
  Dorcopsis Schlegel and Müller, 1845 -- valid -- New Guinean forest wallabies
  Dorcopsis atrata Van Deusen, 1957 -- valid -- Black Dorcopsis
  Dorcopsis hageni Heller, 1897 -- valid -- White-striped Dorcopsis
  Dorcopsis luctuosa (D'Albertis, 1874) -- valid -- Gray Dorcopsis
  Dorcopsis muelleri (Lesson, 1827) -- valid -- Brown Dorcopsis
  Dorcopsulus Matschie, 1916 -- valid
  Dorcopsulus macleayi (Miklouho-Maclay, 1885) -- valid -- Macleay's Dorcopsis
  Dorcopsulus vanheurni (Thomas, 1922) -- valid -- Small Dorcopsis
  Dremomys Heude, 1898 -- valid -- Red-cheeked Squirrels
  Dremomys everetti (Thomas, 1890) -- valid -- Bornean Mountain Ground Squirrel
  Dremomys lokriah (Hodgson, 1836) -- valid -- Orange-bellied Himalayan Squirrel
  Dremomys pernyi (Milne-Edwards, 1867) -- valid -- Perny's Long-nosed Squirrel
  Dremomys pyrrhomerus (Thomas, 1895) -- valid -- Red-hipped Squirrel
  Dremomys rufigenis (Blanford, 1878) -- valid -- Asian Red-cheeked Squirrel
  Dromiciops Thomas, 1894 -- valid -- monito del monte
  Dromiciops gliroides Thomas, 1894 -- valid -- Monito del Monte, monito del monte
  Dryomys Thomas, 1906 -- valid -- Forest Dormice
  Dryomys laniger Felten and Storch, 1968 -- valid -- Woolly Dormouse, Woolly Forest Dormouse
  Dryomys nitedula (Pallas, 1778) -- valid -- Forest Dormouse
  Dryomys sichuanensis (Wang, 1985) -- invalid -- Chinese Dormouse
  Dugong Lacépède, 1799 -- valid -- dugongs
  Dugong dugon (Müller, 1776) -- valid -- Dugong
  Dugongidae Gray, 1821 -- valid -- dugongs, sea cows
  Dusicyon C. E. H. Smith, 1839 -- valid
  Dusicyon australis (Kerr, 1792) -- valid -- Falkland Island wolf, Falkland Islands Wolf
  Dusicyon microtis (Sclater, 1883) -- invalid -- small-eared dog
  Dyacopterus K. Andersen, 1912 -- valid
  Dyacopterus spadiceus (Thomas, 1890) -- valid -- Dyak fruit bat, Dyak Fruit Bat
  Echidna G. Cuvier, 1797 -- invalid
  Echimyidae Gray, 1825 -- valid
  Echimyinae Gray, 1825 -- valid
  Echimys G. Cuvier, 1809 -- valid
  Echimys blainvillei (F. Cuvier, 1837) -- invalid
  Echimys braziliensis (Waterhouse, 1848) -- invalid
  Echimys chrysurus (Zimmermann, 1780) -- valid -- White-faced Spiny Tree-rat
  Echimys dasythrix (Hensel, 1872) -- invalid
  Echimys grandis (Wagner, 1845) -- invalid
  Echimys lamarum (Thomas, 1916) -- invalid
  Echimys macrurus (Wagner, 1842) -- invalid
  Echimys nigrispinus (Wagner, 1842) -- invalid
  Echimys pictus (Pictet, 1841) -- invalid
  Echimys rhipidurus Thomas, 1928 -- invalid
  Echimys saturnus Thomas, 1928 -- valid -- Dark Spiny Tree-rat
  Echimys semivillosus (I. Geoffroy Saint-Hilaire, 1838) -- valid -- Speckled Spiny Tree-rat
  Echimys thomasi (Ihering, 1871) -- invalid
  Echimys unicolor (Wagner, 1842) -- invalid
  Echinoprocta Gray, 1865 -- valid
  Echinoprocta rufescens Gray, 1865 -- valid -- Stump-tailed Porcupine
  Echinops Martin, 1838 -- valid
  Echinops telfairi Martin, 1838 -- valid -- Lesser Hedgehog Tenrec
  Echinopus G. Fischer, 1814 -- invalid
  Echinosorex Blainville, 1838 -- valid
  Echinosorex gymnura (Raffles, 1822) -- valid -- Moonrat
  Echiothrix Gray, 1867 -- valid
  Echiothrix leucura Gray, 1867 -- valid -- Northern Sulawesi Echiothrix
  Echymipera Lesson, 1842 -- valid -- New Guinean spiny bandicoots
  Echymipera clara Stein, 1932 -- valid -- Clara's Echymipera
  Echymipera davidi Flannery, 1990 -- valid -- David's Echymipera
  Echymipera echinista Menzies, 1990 -- valid -- Menzies' Echymipera
  Echymipera kalubu (Fischer, 1829) -- valid -- Common Echymipera
  Echymipera rufescens (Peters and Doria, 1875) -- valid -- Long-nosed Echymipera
  Ectophylla H. Allen, 1892 -- valid
  Ectophylla alba H. Allen, 1892 -- valid -- Honduran White Bat, white bat
  Edentata Vicq-d'Azyr, 1792 -- invalid -- anteaters, armadillos, edentates, sloths
  Eidolon Rafinesque, 1815 -- valid
  Eidolon dupreanum (Pollen in Schlegel and Pollen, 1866) -- valid -- Madagascan fruit bat, Malagasy Straw-colored Fruit Bat
  Eidolon helvum (Kerr, 1792) -- valid -- African Straw-colored Fruit Bat, straw-colored fruit bat
  Eira C. E. H. Smith, 1842 -- valid
  Eira barbara (Linnaeus, 1758) -- valid -- Tayra
  Elaphodus Milne-Edwards, 1872 -- valid
  Elaphodus cephalophus Milne-Edwards, 1872 -- valid -- tufted deer, Tufted Deer
  Elaphurus Milne-Edwards, 1866 -- valid
  Elaphurus davidianus Milne-Edwards, 1866 -- valid -- Père David's deer, Père David's Deer
  Elasmodontomys Anthony, 1916 -- valid
  Elasmodontomys obliquus Anthony, 1916 -- valid -- Plate-toothed Giant Hutia
  Elephantidae Gray, 1821 -- valid
  Elephantulus Thomas and Schwann, 1906 -- valid -- Long-eared Elephant Shrews
  Elephantulus brachyrhynchus (A. Smith, 1836) -- valid -- Short-snouted Elephant Shrew
  Elephantulus edwardii (A. Smith, 1839) -- valid -- Cape Elephant Shrew
  Elephantulus fuscipes (Thomas, 1894) -- valid -- Dusky-footed Elephant Shrew
  Elephantulus fuscus (Peters, 1852) -- valid -- Dusky Elephant Shrew
  Elephantulus intufi (A. Smith, 1836) -- valid -- Bushveld Elephant Shrew
  Elephantulus myurus Thomas and Schwann, 1906 -- valid -- Eastern Rock Elephant Shrew
  Elephantulus revoili (Huet, 1881) -- valid -- Somali Elephant Shrew
  Elephantulus rozeti (Duvernoy, 1833) -- valid -- North African Elephant Shrew
  Elephantulus rufescens (Peters, 1878) -- valid -- Rufous Elephant Shrew
  Elephantulus rupestris (A. Smith, 1831) -- valid -- Western Rock Elephant Shrew
  Elephas Linnaeus, 1758 -- valid
  Elephas maximus Linnaeus, 1758 -- valid -- Asian Elephant, Asiatic Elephant
  Eligmodontia F. Cuvier, 1837 -- valid -- Gerbil Mice
  Eligmodontia moreni (Thomas, 1896) -- valid -- Monte Gerbil Mouse, Monte Laucha
  Eligmodontia morgani J. A. Allen, 1901 -- valid -- Morgan's gerbil mouse, Western Patagonian Laucha
  Eligmodontia puerulus (Philippi, 1896) -- valid -- Altiplano Laucha, Andean gerbil mouse
  Eligmodontia typus F. Cuvier, 1837 -- valid -- Eastern Patagonian Laucha, Highland Gerbil Mouse
  Eliomys Wagner, 1840 -- valid -- Garden Dormice
  Eliomys melanurus (Wagner, 1840) -- valid -- Asian Garden Dormouse, Large-eared Garden Dormouse, South-West Asian Garden Dormouse
  Eliomys quercinus (Linnaeus, 1766) -- valid -- Garden Dormouse
  Eliurus Milne-Edwards, 1885 -- valid -- Tufted-tailed Rats
  Eliurus majori Thomas, 1895 -- valid -- Major's Tufted-tailed Rat
  Eliurus minor Forsyth Major, 1896 -- valid -- Lesser Tufted-tailed Rat
  Eliurus myoxinus Milne-Edwards, 1885 -- valid -- Dormouse Tufted-tailed Rat, Western Tufted-tailed Rat
  Eliurus penicillatus Thomas, 1908 -- valid -- White-tipped Tufted-tailed Rat
  Eliurus tanala Forsyth Major, 1896 -- valid -- Tanala Tufted-tailed Rat
  Eliurus webbi Ellerman, 1949 -- valid -- Webb's Tufted-tailed Rat
  Ellobius Fischer, 1814 -- valid -- Mole Voles
  Ellobius alaicus Vorontsov et al., 1969 -- valid -- Alai Mole Vole
  Ellobius fuscocapillus Blyth, 1843 -- valid -- Afghan Mole-Vole, Southern Mole Vole
  Ellobius lutescens Thomas, 1897 -- valid -- Transcaucasian Mole Vole
  Ellobius talpinus (Pallas, 1770) -- valid -- Northern Mole Vole
  Ellobius tancrei Blasius, 1884 -- valid -- Eastern Mole Vole, Zaisan mole vole
  Emballonura Temminck, 1838 -- valid -- sheath-tailed bats
  Emballonura alecto (Eydoux and Gervais, 1836) -- valid -- small Asian sheath-tailed bat, Small Asian Sheath-tailed Bat
  Emballonura atrata Peters, 1874 -- invalid -- Peters's Sheath-tailed Bat
  Emballonura beccarii Peters and Doria, 1881 -- valid -- Beccari's sheath-tailed bat, Beccari's Sheath-tailed Bat
  Emballonura dianae Hill, 1956 -- valid -- large-eared sheath-tailed bat, Large-eared Sheath-tailed Bat
  Emballonura furax Thomas, 1911 -- valid -- New Guinea sheath-tailed bat, New Guinean Sheath-tailed Bat
  Emballonura monticola Temminck, 1838 -- valid -- lesser sheath-tailed bat, Lesser Sheath-tailed Bat
  Emballonura raffrayana Dobson, 1879 -- valid -- Raffray's sheath-tailed bat, Raffray's Sheath-tailed Bat
  Emballonura semicaudata (Peale, 1848) -- valid -- Mariana sheath-tailed bat, Polynesian Sheath-tailed Bat, Polynesian sheath-tailed bat, sheath-tailed bat
  Emballonura sulcata Miller, 1911 -- invalid -- Caroline sheath-tailed bat
  Emballonuridae Gervais, 1855 -- valid -- sac-winged bats, sheath-tailed bats
  Enhydra Fleming, 1822 -- valid -- sea otters
  Enhydra lutris (Linnaeus, 1758) -- valid -- Nutria marina, Sea Otter
  Enhydra lutris kenyoni Wilson, 1991 -- valid -- northern sea otter
  Eolagurus Argyropulo, 1946 -- valid
  Eolagurus luteus (Eversmann, 1840) -- valid -- Yellow Steppe Lemming
  Eolagurus przewalskii (Büchner, 1889) -- valid -- Przewalski's Steppe Lemming
  Eonycteris Dobson, 1873 -- valid
  Eonycteris major K. Andersen, 1910 -- valid -- greater dawn bat, Greater Dawn Bat
  Eonycteris spelaea (Dobson, 1871) -- valid -- lesser dawn bat, Lesser Dawn Bat
  Eothenomys Miller, 1896 -- valid -- South Asian Voles
  Eothenomys chinensis (Thomas, 1891) -- valid -- Pratt's Vole, Sichuan Red-Backed Vole
  Eothenomys custos (Thomas, 1912) -- valid -- Southwest China Red-backed Vole, Southwest China Vole
  Eothenomys eva (Thomas, 1911) -- invalid -- Ganzu Vole
  Eothenomys inez (Thomas, 1908) -- invalid -- Kolan vole
  Eothenomys melanogaster (Milne-Edwards, 1871) -- valid -- Père David's Red-backed Vole, Père David's Vole
  Eothenomys olitor (Thomas, 1911) -- valid -- Black-eared Red-backed Vole, Chaotung vole
  Eothenomys proditor Hinton, 1923 -- valid -- Yulongxuen Red-backed Vole, Yulungshan vole
  Eothenomys regulus (Thomas, 1907) -- invalid -- Royal vole
  Eothenomys shanseius (Thomas, 1908) -- invalid -- Shansei Vole
  Eozapus Preble, 1899 -- valid
  Eozapus setchuanus (Pousargues, 1896) -- valid -- Chinese Jumping Mouse
  Epixerus Thomas, 1909 -- valid -- African Palm Squirrels
  Epixerus ebii (Temminck, 1853) -- valid -- African Palm Squirrel, Ebian's palm squirrel, Palm Squirrel, Temminck's giant squirrel, Western Palm Squirrel
  Epixerus wilsoni (Du Chaillu, 1860) -- invalid -- Biafran Palm Squirrel
  Epomophorus Bennett, 1836 -- valid
  Epomophorus angolensis Gray, 1870 -- valid -- Angolan epauletted fruit bat, Angolan Epauletted Fruit Bat
  Epomophorus gambianus (Ogilby, 1835) -- valid -- Gambian epauletted fruit bat, Gambian Epauletted Fruit Bat
  Epomophorus grandis (Sanborn, 1950) -- valid -- lesser Angolan epauletted fruit bat, Sanborn's Epauletted Fruit Bat
  Epomophorus labiatus (Temminck, 1837) -- valid -- Ethiopian epauletted fruit bat, Little Epauletted Fruit Bat
  Epomophorus minimus Claessen and De Vree, 1991 -- valid -- East African epauletted fruit bat, Least Epauletted Fruit Bat
  Epomophorus wahlbergi (Sundevall, 1846) -- valid -- Wahlberg's epauletted fruit bat, Wahlberg's Epauletted Fruit Bat
  Epomops Gray, 1870 -- valid
  Epomops buettikoferi (Matschie, 1899) -- valid -- Buettikofer's epauletted bat, Büttikofer's Epauletted Fruit Bat
  Epomops dobsoni (Bocage, 1889) -- invalid -- Dobson's fruit bat
  Epomops franqueti (Tomes, 1860) -- valid -- Franquet's epauletted bat, Franquet's Epauletted Fruit Bat
  Eptesicus Rafinesque, 1820 -- valid -- big brown bats
  Eptesicus baverstocki Kitchener, Jones and Caputi, 1987 -- invalid -- inland forest bat
  Eptesicus bobrinskoi Kuzyakin, 1935 -- invalid -- Bobrinski's Serotine
  Eptesicus bottae (Peters, 1869) -- valid -- Botta's serotine, Botta's Serotine
  Eptesicus brasiliensis (Desmarest, 1819) -- valid -- Brazilian brown bat, Brazilian Brown Bat
  Eptesicus brunneus (Thomas, 1880) -- invalid -- dark-brown serotine
  Eptesicus capensis (A. Smith, 1829) -- invalid -- Cape serotine
  Eptesicus demissus Thomas, 1916 -- invalid -- Surat serotine
  Eptesicus diminutus Osgood, 1915 -- valid -- diminutive serotine, Diminutive Serotine
  Eptesicus douglasorum Kitchener, 1976 -- invalid -- yellow-lipped bat
  Eptesicus flavescens (Seabra, 1900) -- invalid -- yellow serotine
  Eptesicus floweri (de Winton, 1901) -- valid -- horn-skinned bat, Horn-skinned Serotine
  Eptesicus furinalis (d'Orbigny, 1847) -- valid -- Argentine brown bat, Argentinian Brown Bat
  Eptesicus fuscus (Palisot de Beauvois, 1796) -- valid -- big brown bat, Big Brown Bat, grande chauve-souris brune, Murciélago-moreno norteamericano
  Eptesicus guadeloupensis Genoways and Baker, 1975 -- valid -- Guadeloupe big brown bat, Guadeloupean Big Brown Bat
  Eptesicus guineensis (Bocage, 1889) -- invalid -- tiny serotine
  Eptesicus hottentotus (A. Smith, 1833) -- valid -- long-tailed house bat, Long-tailed Serotine
  Eptesicus innoxius (Gervais, 1841) -- valid -- harmless serotine, Harmless Serotine
  Eptesicus kobayashii Mori, 1928 -- valid -- Kobayashi's serotine, Kobayashi's Serotine
  Eptesicus melckorum Roberts, 1919 -- invalid -- Melck's house bat
  Eptesicus nasutus (Dobson, 1877) -- valid -- Sind Bat
  Eptesicus nilssoni (Keyserling and Blasius, 1839) -- invalid -- northern bat
  Eptesicus pachyotis (Dobson, 1871) -- valid -- thick-eared bat, Thick-eared Bat
  Eptesicus platyops (Thomas, 1901) -- valid -- Lagos serotine, Lagos Serotine
  Eptesicus pumilus (Gray, 1841) -- invalid -- eastern forest bat
  Eptesicus regulus Thomas, 1906 -- invalid -- southern forest bat
  Eptesicus rendalli (Thomas, 1889) -- invalid -- Rendall's serotine
  Eptesicus sagittula McKean, Richards and Price, 1978 -- invalid -- large forest bat
  Eptesicus serotinus (Schreber, 1774) -- valid -- Common Serotine, serotine
  Eptesicus somalicus (Thomas, 1901) -- invalid -- Somali serotine
  Eptesicus tatei Ellerman and Morrison-Scott, 1951 -- valid -- sombre bat, Sombre Bat
  Eptesicus tenuipinnis (Peters, 1872) -- invalid -- white-winged serotine
  Eptesicus vulturnus Thomas, 1914 -- invalid -- little forest bat
  Equidae Gray, 1821 -- valid -- Asses, Horses, Zebras
  Equus Linnaeus, 1758 -- valid -- Horses
  Equus asinus Linnaeus, 1758 -- valid -- Ass, burro, Donkey, feral burro, Wild Ass
  Equus burchellii (Gray, 1824) -- invalid -- Burchell's Zebra, Plains Zebra
  Equus caballus Linnaeus, 1758 -- valid -- feral horse, Horse
  Equus grevyi Oustalet, 1882 -- valid -- Grevy's Zebra, Grévy's Zebra
  Equus hemionus Pallas, 1775 -- valid -- Asian wild ass, Asiatic Wild Ass, Kulan, Onager
  Equus hemionus hemippus I. Geoffroy Saint-Hilaire, 1855 -- invalid
  Equus kiang Moorcroft, 1841 -- valid -- Kiang, Tibetan Wild Ass
  Equus onager Boddaert, 1785 -- invalid -- Onager
  Equus quagga Boddaert, 1785 -- valid -- Plains Zebra, Quagga
  Equus zebra Linnaeus, 1758 -- valid -- Cape mountain zebra, Mountain Zebra, Zebra
  Equus zebra hartmannae Matschie, 1898 -- invalid -- Hartmann Zebra, Hartmann's Mountain Zebra, Hartmann's Zebra
  Equus zebra zebra Linnaeus, 1758 -- invalid -- Cape Mountain Zebra, mountain zebra
  Eremiomys Poliakov, 1881 -- invalid
  Eremitalpa Roberts, 1924 -- valid
  Eremitalpa granti (Broom, 1907) -- valid -- Grant's Golden Mole
  Eremodipus Vinogradov, 1930 -- valid -- Desert Jerboas
  Eremodipus lichtensteini (Vinogradov, 1927) -- valid -- Lichtenstein's Jerboa
  Erethizon F. Cuvier, 1823 -- valid -- New World porcupines
  Erethizon dorsatum (Linnaeus, 1758) -- invalid -- common porcupine, porc-épic d'Amérique, porcupine, Puercoespín norteamericano
  Erethizontidae Bonaparte, 1845 -- valid -- New World porcupines
  Erignathus Gill, 1866 -- valid -- bearded seals
  Erignathus barbatus (Erxleben, 1777) -- valid -- Bearded Seal, phoque barbu, squareflipper, ugruk
  Erinaceidae G. Fischer, 1814 -- valid -- gymnures, hedgehogs
  Erinaceinae G. Fischer, 1814 -- valid
  Erinaceus Linnaeus, 1758 -- valid
  Erinaceus amurensis Schrenk, 1859 -- valid -- Amur Hedgehog
  Erinaceus concolor Martin, 1838 -- valid -- eastern European hedgehog, Southern White-Breasted Hedgehog
  Erinaceus europaeus Linnaeus, 1758 -- valid -- West European Hedgehog, western European hedgehog
  Eropeplus Miller and Hollister, 1921 -- valid
  Eropeplus canus Miller and Hollister, 1921 -- valid -- Sulawesi Soft-furred Rat
  Erophylla Miller, 1906 -- valid -- brown flower bats
  Erophylla bombifrons (Miller, 1899) -- valid -- brown flower bat, Brown Flower Bat
  Erophylla sezekorni (Gundlach, 1861) -- valid -- buffy flower bat, Buffy Flower Bat
  Erythrocebus Trouessart, 1897 -- valid -- Patas Monkey
  Erythrocebus patas (Schreber, 1774) -- valid -- Patas Monkey
  Eschrichtiidae Ellerman and Morrison-Scott, 1951 -- valid -- gray whales, grey whales
  Eschrichtius Gray, 1864 -- valid -- gray whales, grey whales
  Eschrichtius robustus (Lilljeborg, 1861) -- valid -- Ballena gris, Gray Whale, grey whale
  Eubalaena Gray, 1864 -- valid -- right whales
  Eubalaena australis (Desmoulins, 1822) -- valid -- Southern Right Whale
  Eubalaena glacialis (Müller, 1776) -- valid -- baleine noire, Ballena franca, black right whale, North Atlantic Right Whale, Northern Right Whale
  Eubalaena japonica (Lacépède, 1818) -- valid -- North Pacific Right Whale
  Euchoreutes Sclater, 1891 -- valid
  Euchoreutes naso Sclater, 1891 -- valid -- Long-eared Jerboa
  Euchoreutinae Lyon, 1901 -- valid
  Euderma H. Allen, 1892 -- valid -- spotted bats
  Euderma maculatum (J. A. Allen, 1891) -- valid -- Murciélago pinto, Spotted Bat, spotted bat
  Eudiscopus Conisbee, 1953 -- valid
  Eudiscopus denticulus (Osgood, 1932) -- valid -- disk-footed bat, Disk-footed Bat
  Eulemur Simons and Rumpler, 1988 -- valid
  Eulemur coronatus (Gray, 1842) -- valid -- Crowned Lemur
  Eulemur fulvus (É. Geoffroy Saint-Hilaire, 1796) -- valid -- Brown Lemur
  Eulemur macaco (Linnaeus, 1766) -- valid -- Black Lemur
  Eulemur mongoz (Linnaeus, 1766) -- valid -- Mongoose Lemur
  Eulemur rubriventer (I. Geoffroy Saint-Hilaire, 1850) -- valid -- Red-bellied Lemur
  Eumetopias Gill, 1866 -- valid -- northern sea lions
  Eumetopias jubatus (Schreber, 1776) -- valid -- Northern Sea Lion, Steller Sea Lion, Steller's sea lion
  Eumops Miller, 1906 -- valid -- mastiff-bats
  Eumops auripendulus (Shaw, 1800) -- valid -- Black Bonneted Bat
  Eumops bonariensis (Peters, 1874) -- valid -- Dwarf Bonneted Bat
  Eumops dabbenei Thomas, 1914 -- valid -- Big Bonneted Bat
  Eumops glaucinus (Wagner, 1843) -- valid -- Murciélago-con bonete de Wagner, Wagner's Bonneted Bat, Wagner's mastiff-bat
  Eumops hansae Sanborn, 1932 -- valid -- Sanborn's Bonneted Bat
  Eumops maurus (Thomas, 1901) -- valid -- Guianan Bonneted Bat
  Eumops perotis (Schinz, 1821) -- valid -- Greater Bonneted Bat, Murciélago-con bonete mayor, Western Bonneted Bat, western mastiff-bat
  Eumops underwoodi Goodwin, 1940 -- valid -- Murciélago-con bonete de Underwood, Underwood's Bonneted Bat, Underwood's mastiff-bat
  Eumysopinae Rusconi, 1935 -- valid
  Euneomys Coues, 1874 -- valid -- Chinchilla Mice
  Euneomys chinchilloides (Waterhouse, 1839) -- valid -- Patagonian chinchilla mouse, Tierra del Fuego Euneomys
  Euneomys fossor (Thomas, 1899) -- valid -- Burrowing chinchilla mouse, Burrowing Euneomys
  Euneomys mordax Thomas, 1912 -- valid -- Biting Chinchilla Mouse, Large Euneomys
  Euneomys petersoni J. A. Allen, 1903 -- valid -- Peterson's chinchilla mouse, Peterson's Euneomys
  Euoticus Gray, 1863 -- valid -- needle-clawed galagos
  Euoticus elegantulus (LeConte, 1857) -- valid -- Southern Needle-clawed Bushbaby, Southern Needle-clawed Galago, western needle-clawed galago
  Euoticus pallidus (Gray, 1863) -- valid -- Northern Needle-clawed Bushbaby, Northern Needle-clawed Galago, pallid needle-clawed galago
  Eupetaurus Thomas, 1888 -- valid
  Eupetaurus cinereus Thomas, 1888 -- valid -- Woolly Flying Squirrel
  Euphractus Wagler, 1830 -- valid -- six-banded armadillos
  Euphractus sexcinctus (Linnaeus, 1758) -- valid -- Six-banded Armadillo
  Eupleres Doyère, 1835 -- valid
  Eupleres goudotii Doyère, 1835 -- valid -- Falanouc
  Euplerinae Chenu, 1850 -- valid
  Euroscaptor Miller, 1940 -- valid
  Euroscaptor grandis Miller, 1940 -- valid -- Greater Chinese Mole
  Euroscaptor klossi (Thomas, 1929) -- valid -- Kloss's Mole
  Euroscaptor longirostris (Milne-Edwards, 1870) -- valid -- Long-nosed Mole
  Euroscaptor micrura (Hodgson, 1841) -- valid -- Himalayan Mole
  Euroscaptor mizura (Günther, 1880) -- valid -- Japanese Mountain Mole
  Euroscaptor parvidens (Miller, 1940) -- valid -- Small-toothed Mole
  Euryzygomatomys Goeldi, 1901 -- valid
  Euryzygomatomys spinosus (Fischer de Waldheim, 1814) -- valid -- Guiara
  Eutamias Trouessart, 1880 -- invalid
  Eutamias minimus (Bachman, 1839) -- invalid
  Exilisciurus Moore, 1958 -- valid -- Pygmy Squirrels
  Exilisciurus concinnus (Thomas, 1888) -- valid -- Philippine Pygmy Squirrel
  Exilisciurus exilis (Müller, 1838) -- valid -- Least Pygmy Squirrel
  Exilisciurus whiteheadi (Thomas, 1887) -- valid -- Tufted Pygmy Squirrel
  Felidae Fischer de Waldheim, 1817 -- valid -- cats
  Feliformia Kretzoi, 1945 -- valid -- cat-like carnivores
  Felinae Fischer de Waldheim, 1817 -- valid
  Felis Linnaeus, 1758 -- valid -- small cats
  Felis albescens Pucheran, 1855 -- invalid
  Felis apache Mearns, 1901 -- invalid
  Felis aztecus browni Merriam, 1903 -- invalid
  Felis bangsi costaricensis Merriam, 1901 -- invalid
  Felis bengalensis Kerr, 1792 -- invalid -- leopard cat
  Felis bieti Milne-Edwards, 1892 -- valid -- Chinese desert cat, Chinese Mountain Cat
  Felis cacomitli Berlandier, 1859 -- invalid
  Felis californica May, 1896 -- invalid
  Felis canescens Swainson, 1838 -- invalid
  Felis caracal Schreber, 1776 -- invalid
  Felis catus Linnaeus, 1758 -- valid -- Domestic Cat
  Felis chaus Schreber, 1777 -- valid -- Jungle Cat
  Felis concolor Linnaeus, 1771 -- invalid -- mountain lion
  Felis concolor coryi Bangs, 1899 -- invalid -- Florida panther
  Felis concolor costaricensis Merriam, 1901 -- invalid
  Felis concolor cougar Kerr, 1792 -- invalid
  Felis concolor couguar Kerr, 1792 -- invalid -- couguar, eastern cougar
  Felis couguar Kerr, 1792 -- invalid
  Felis fossata Mearns, 1901 -- invalid
  Felis geoffroyi d'Orbigny and Gervais, 1844 -- invalid -- Geoffroy's cat
  Felis glaucula Thomas, 1903 -- invalid
  Felis glaucula yucatanica Nelson and Goldman, 1931 -- invalid -- Yucatan Long-tailed Tiger Cat
  Felis griffithii J. B. Fischer, 1829 -- invalid
  Felis hippolestes Merriam, 1897 -- invalid
  Felis hippolestes aztecus Merriam, 1901 -- invalid
  Felis improcera Phillips, 1912 -- invalid
  Felis jacobita Cornalia, 1865 -- invalid -- Andean cat
  Felis limitis Mearns, 1902 -- invalid
  Felis lybica Forster, 1780 -- invalid -- African wild cat
  Felis manul Pallas, 1776 -- valid -- Pallas' cat, Pallas's Cat, steppe cat
  Felis margarita Loche, 1858 -- valid -- Sand Cat
  Felis margarita scheffeli Hemmer, 1974 -- valid
  Felis mearnsi J. A. Allen, 1904 -- invalid
  Felis mexicana Kerr, 1792 -- invalid
  Felis minuta Temminck, 1824 -- invalid -- Philippine cat
  Felis nigripes Burchell, 1824 -- valid -- Black-footed Cat
  Felis ocelot Link, 1795 -- invalid
  Felis onca Linnaeus, 1758 -- invalid
  Felis oregonensis Rafinesque, 1832 -- invalid
  Felis pajeros Desmarest, 1816 -- invalid -- Pampas cat
  Felis panamensis J. A. Allen, 1904 -- invalid
  Felis pardalis Linnaeus, 1758 -- invalid -- ocelot
  Felis pirrensis Goldman, 1914 -- invalid
  Felis pseudopardalis Boitard, 1842 -- invalid
  Felis rubiginosa I. Geoffroy Saint-Hilaire, 1831 -- invalid -- rusty-spotted cat
  Felis rufus Schreber, 1777 -- invalid
  Felis rufus rufus Schreber, 1777 -- invalid
  Felis serval Schreber, 1776 -- invalid -- serval
  Felis silvestris Schreber, 1777 -- valid -- wild cat, Wildcat
  Felis viverrina Bennett, 1833 -- invalid -- fishing cat
  Felis wiedii Schinz, 1821 -- invalid -- margay
  Felis wiedii yucatanica Nelson and Goldman, 1931 -- invalid
  Felis yagouaroundi cacomitli Berlandier, 1859 -- invalid -- jaguarundi
  Felis yagouaroundi yagouaroundi É. Geoffroy Saint-Hilaire, 1803 -- invalid
  Felis yaguarondi Lacépède, 1809 -- invalid -- jaguarundi
  Felovia Lataste, 1886 -- valid
  Felovia vae (Lataste, 1886) -- valid -- Felou Gundi
  Feresa Gray, 1870 -- valid -- pygmy killer whales
  Feresa attenuata Gray, 1874 -- valid -- Orca pigmea, Pygmy Killer Whale
  Feroculus Kelaart, 1852 -- valid
  Feroculus feroculus (Kelaart, 1850) -- valid -- Kelaart's Long-clawed Shrew
  Fossa Gray, 1865 -- valid
  Fossa fossana (Müller, 1776) -- valid -- Malagasy Civet
  Funambulus Lesson, 1835 -- valid -- Asiatic Palm Squirrels
  Funambulus layardi (Blyth, 1849) -- valid -- Layard's Palm Squirrel
  Funambulus palmarum (Linnaeus, 1766) -- valid -- Indian Palm Squirrel
  Funambulus pennantii Wroughton, 1905 -- valid -- Northern Palm Squirrel
  Funambulus sublineatus (Waterhouse, 1838) -- valid -- Dusky Palm Squirrel
  Funambulus tristriatus (Waterhouse, 1837) -- valid -- Jungle Palm Squirrel, jungle striped squirrel, western ghats squirrel
  Funisciurus Trouessart, 1880 -- valid -- Rope Squirrels
  Funisciurus anerythrus (Thomas, 1890) -- valid -- Thomas's Rope Squirrel
  Funisciurus bayonii (Bocage, 1890) -- valid -- Lunda Rope Squirrel
  Funisciurus carruthersi Thomas, 1906 -- valid -- Carruther's Mountain Squirrel
  Funisciurus congicus (Kuhl, 1820) -- valid -- Congo Rope Squirrel
  Funisciurus isabella (Gray, 1862) -- valid -- Lady Burton's Rope Squirrel
  Funisciurus lemniscatus (Le Conte, 1857) -- valid -- Ribboned Rope Squirrel
  Funisciurus leucogenys (Waterhouse, 1842) -- valid -- Red-cheeked Rope Squirrel
  Funisciurus pyrropus (F. Cuvier, 1833) -- valid -- Fire-footed Rope Squirrel
  Funisciurus substriatus de Winton, 1899 -- valid -- Kintampo Rope Squirrel
  Furipteridae Gray, 1866 -- valid
  Furipterus Bonaparte, 1837 -- valid
  Furipterus horrens (F. Cuvier, 1828) -- valid -- thumbless bat, Thumbless Bat
  Galago É. Geoffroy Saint-Hilaire, 1796 -- valid -- lesser galagos
  Galago alleni Waterhouse, 1838 -- invalid -- Allen's squirrel galago, Bioko Allen's Bushbaby
  Galago gallarum Thomas, 1901 -- valid -- Somali Bushbaby, Somali galago, Somali Lesser Galago
  Galago matschiei Lorenz, 1917 -- valid -- Dusky Bushbaby, spectacled galago, Spectacled Lesser Galago
  Galago moholi A. Smith, 1836 -- valid -- Moholi Bushbaby, South African galago, Southern Lesser Galago
  Galago senegalensis É. Geoffroy Saint-Hilaire, 1796 -- valid -- Northern Lesser Galago, Senegal Bushbaby, Senegal galago
  Galagoides A. Smith, 1833 -- valid -- dwarf galagos
  Galagoides demidoff (G. Fischer, 1806) -- valid -- Demidoff's Dwarf Galago, Prince Demidoff's Bushbaby
  Galagoides zanzibaricus (Matschie, 1893) -- invalid -- Tanzania Coast Dwarf Galago, Zanzibar galago
  Galagonidae Gray, 1825 -- invalid
  Galea Meyen, 1832 -- valid
  Galea flavidens (Brandt, 1835) -- valid -- Brazilian Yellow-toothed Cavy
  Galea musteloides Meyen, 1833 -- valid -- Common Yellow-toothed Cavy
  Galea spixii (Wagler, 1831) -- valid -- Spix's Yellow-toothed Cavy
  Galemys Kaup, 1829 -- valid
  Galemys pyrenaicus (É. Geoffroy Saint-Hilaire, 1811) -- valid -- Pyrenean Desman
  Galenomys Thomas, 1916 -- valid
  Galenomys garleppi (Thomas, 1898) -- valid -- Garlepp's Mouse, Garlepp's Pericote
  Galerella Gray, 1865 -- valid
  Galerella flavescens (Bocage, 1889) -- valid -- Angolan Slender Mongoose, black slender mongoose
  Galerella pulverulenta (Wagner, 1839) -- valid -- Cape Gray Mongoose
  Galerella sanguinea (Rüppell, 1835) -- valid -- Slender Mongoose
  Galerella swalius (Thomas, 1926) -- invalid -- Namaqua slender mongoose
  Galictis Bell, 1826 -- valid
  Galictis cuja (Molina, 1782) -- valid -- Lesser Grison
  Galictis vittata (Schreber, 1776) -- valid -- Greater Grison
  Galidia I. Geoffroy Saint-Hilaire, 1837 -- valid
  Galidia elegans I. Geoffroy Saint-Hilaire, 1837 -- valid -- Ring-tailed Mongoose
  Galidictis I. Geoffroy Saint-Hilaire, 1839 -- valid
  Galidictis fasciata (Gmelin, 1788) -- valid -- Broad-striped Malagasy Mongoose, broad-striped mongoose
  Galidictis grandidieri Wozencraft, 1986 -- valid -- giant-striped mongoose, Grandidier's Mongoose
  Galidiinae Gray, 1865 -- valid
  Gazella Blainville, 1816 -- valid -- gazelles
  Gazella arabica (Lichtenstein, 1827) -- valid -- Arabian Gazelle, Arabian gazelle
  Gazella bennettii (Sykes, 1831) -- valid -- Indian gazelle, Indian Gazelle
  Gazella bilkis Groves and Lay, 1985 -- invalid -- Queen of Sheba's gazelle
  Gazella cuvieri (Ogilby, 1841) -- valid -- Cuvier's gazelle, Cuvier's Gazelle, Cuviers gazelle, mountain gazelle
  Gazella dama (Pallas, 1766) -- invalid -- dama gazelle
  Gazella dorcas (Linnaeus, 1758) -- valid -- Dorcas gazelle, Dorcas Gazelle
  Gazella gazella (Pallas, 1766) -- valid -- Arabian gazelle, mountain gazelle, Mountain Gazelle
  Gazella granti Brooke, 1872 -- invalid -- Grant's gazelle
  Gazella leptoceros (F. Cuvier, 1842) -- valid -- rhim gazelle, slender-horned gazelle, Slender-horned Gazelle
  Gazella rufifrons Gray, 1846 -- invalid -- red-fronted gazelle
  Gazella rufina Thomas, 1894 -- invalid -- red gazelle
  Gazella saudiya Carruthers and Schwarz, 1935 -- valid -- Saudi Arabian gazelle, Saudi gazelle, Saudi Gazelle
  Gazella soemmerringii (Cretzschmar, 1828) -- invalid -- Sömmerring's gazelle
  Gazella spekei Blyth, 1863 -- valid -- Speke's gazelle, Speke's Gazelle
  Gazella subgutturosa (Güldenstaedt, 1780) -- valid -- Goitered Gazelle, goitered gazelle
  Gazella thomsonii Günther, 1884 -- invalid -- Thomson's gazelle
  Genetta G.[Baron] Cuvier, 1816 -- valid
  Genetta abyssinica (Rüppell, 1836) -- valid -- Abyssinian Genet
  Genetta angolensis Bocage, 1882 -- valid -- Angolan Genet
  Genetta genetta (Linnaeus, 1758) -- valid -- Common Genet, small-spotted genet
  Genetta johnstoni Pocock, 1908 -- valid -- Johnston's Genet
  Genetta maculata (Gray, 1830) -- valid -- panther genet, Rusty-spotted Genet
  Genetta servalina Pucheran, 1855 -- valid -- Servaline Genet
  Genetta thierryi Matschie, 1902 -- valid -- Haussa Genet
  Genetta tigrina (Schreber, 1776) -- valid -- Cape Genet, large-spotted genet
  Genetta victoriae Thomas, 1901 -- valid -- Giant Forest Genet, giant genet
  Geocapromys Chapman, 1901 -- valid
  Geocapromys brownii (J. Fischer, 1830) -- valid -- Jamaician Hutia
  Geocapromys ingrahami (J. A. Allen, 1891) -- valid -- Bahamian Hutia
  Geocapromys thoracatus (True, 1888) -- valid -- Swan Island Hutia
  Geogale Milne-Edwards and A. Grandidier, 1872 -- valid
  Geogale aurita Milne-Edwards and A. Grandidier, 1872 -- valid -- Large-eared Tenrec
  Geogale aurita aurita Milne-Edwards and A. Grandidier, 1872 -- valid
  Geogale aurita orientalis G. Grandidier and Petit, 1930 -- valid
  Geogalinae Trouessart, 1881 -- valid
  Geomyidae Bonaparte, 1845 -- valid -- Pocket Gophers
  Geomys Rafinesque, 1817 -- valid -- Eastern Pocket Gophers
  Geomys arenarius Merriam, 1895 -- valid -- Desert Pocket Gopher, Tuza arenera
  Geomys attwateri Merriam, 1895 -- valid -- Attwater's Pocket Gopher
  Geomys breviceps Baird, 1855 -- valid -- Baird's Pocket Gopher, Mer Rouge pocket gopher
  Geomys bursarius (Shaw, 1800) -- valid -- Plains Pocket Gopher
  Geomys knoxjonesi Baker and Genoways, 1975 -- valid -- Jones' pocket gopher, Jones's Pocket Gopher, Knox Jones's Pocket Gopher
  Geomys personatus True, 1889 -- valid -- Texas Pocket Gopher, Tuza texana
  Geomys pinetis Rafinesque, 1817 -- valid -- Southeastern Pocket Gopher
  Geomys texensis Merriam, 1895 -- valid -- Central Texas Pocket Gopher, Llano Pocket Gopher
  Geomys tropicalis Goldman, 1915 -- valid -- Tropical Pocket Gopher
  Georychus Illiger, 1811 -- valid
  Georychus capensis (Pallas, 1778) -- valid -- Cape Mole-rat
  Geoxus Thomas, 1919 -- valid
  Geoxus valdivianus (Philippi, 1858) -- valid -- Long-clawed Mole mouse, Valdivian Long-clawed Akodont
  Gerbillinae Gray, 1825 -- valid
  Gerbillurus Shortridge, 1942 -- valid -- Hairy-footed Gerbils
  Gerbillurus paeba (A. Smith, 1836) -- valid -- Hairy-footed Gerbil, Paeba Hairy-footed Gerbil
  Gerbillurus setzeri (Schlitter, 1973) -- valid -- Setzer's Hairy-footed Gerbil
  Gerbillurus tytonis (Bauer and Niethammer, 1960) -- valid -- Dune Hairy-footed Gerbil
  Gerbillurus vallinus (Thomas, 1918) -- valid -- Brush-tailed Hairy-footed Gerbil, Bushy-tailed Hairy-footed Gerbil
  Gerbillus Desmarest, 1804 -- valid -- Gerbils
  Gerbillus acticola Thomas, 1918 -- valid -- Berbera Gerbil
  Gerbillus agag Thomas, 1903 -- valid -- Agag Gerbil
  Gerbillus allenbyi Thomas, 1918 -- invalid -- Allenby's gerbil
  Gerbillus amoenus (de Winton, 1902) -- valid -- Pleasant Gerbil
  Gerbillus andersoni de Winton, 1902 -- valid -- Anderson's Gerbil
  Gerbillus aquilus Schlitter and Setzer, 1972 -- valid -- Swarthy Gerbil
  Gerbillus bilensis Frick, 1914 -- invalid -- Bilen Gerbil
  Gerbillus bonhotei Thomas, 1919 -- invalid -- Bonhote's gerbil
  Gerbillus bottai Lataste, 1882 -- invalid -- Botta's Gerbil
  Gerbillus brockmani (Thomas, 1910) -- valid -- Brockman's Gerbil
  Gerbillus burtoni F. Cuvier, 1838 -- valid -- Burton's Gerbil
  Gerbillus campestris (Loche, 1867) -- invalid -- North African Gerbil
  Gerbillus cheesmani Thomas, 1919 -- valid -- Cheesman's Gerbil
  Gerbillus cosensi Dollman, 1914 -- invalid -- Cosens's gerbil
  Gerbillus dalloni Heim de Balsac, 1936 -- invalid -- Dallon's Gerbil
  Gerbillus dasyurus (Wagner, 1842) -- invalid -- Wagner's Gerbil
  Gerbillus diminutus Dollman, 1911 -- invalid -- Diminutive Gerbil
  Gerbillus dongolanus (Heuglin, 1877) -- valid -- Dongola Gerbil
  Gerbillus dunni Thomas, 1904 -- valid -- Dunn's Gerbil, Somalia Gerbil
  Gerbillus famulus Yerbury and Thomas, 1895 -- valid -- Black-tufted Gerbil
  Gerbillus floweri Thomas, 1919 -- valid -- Flower's Gerbil
  Gerbillus garamantis Lataste, 1881 -- valid -- Algerian Gerbil
  Gerbillus gerbillus (Olivier, 1800) -- valid -- Lesser Egyptian Gerbil
  Gerbillus gleadowi Murray, 1886 -- valid -- Indian Hairy-footed Gerbil
  Gerbillus grobbeni Klaptocz, 1909 -- valid -- Grobben's Gerbil
  Gerbillus harwoodi Thomas, 1901 -- invalid -- Harwood's Gerbil
  Gerbillus henleyi (de Winton, 1903) -- valid -- Pygmy Gerbil
  Gerbillus hesperinus Cabrera, 1936 -- valid -- Moroccan Gerbil, Western Gerbil
  Gerbillus hoogstraali Lay, 1975 -- valid -- Hoogstraal's Gerbil
  Gerbillus jamesi Harrison, 1967 -- invalid -- James's Gerbil
  Gerbillus juliani (St. Leger, 1935) -- invalid -- Julian's gerbil
  Gerbillus latastei Thomas and Trouessart, 1903 -- valid -- Lataste's Gerbil
  Gerbillus lowei (Thomas and Hinton, 1923) -- invalid -- Lowe's Gerbil
  Gerbillus mackillingini (Thomas, 1904) -- invalid -- Mackillingin's gerbil
  Gerbillus maghrebi Schlitter and Setzer, 1972 -- invalid -- Greater Short-tailed Gerbil
  Gerbillus mauritaniae (Heim de Balsac, 1943) -- valid -- Mauritanian Gerbil
  Gerbillus mesopotamiae Harrison, 1956 -- valid -- Mesopotamian Gerbil
  Gerbillus muriculus (Thomas and Hinton, 1923) -- valid -- Barfur gerbil, Darfur Gerbil
  Gerbillus nancillus Thomas and Hinton, 1923 -- valid -- Sudan Gerbil
  Gerbillus nanus Blanford, 1875 -- valid -- Baluchistan Gerbil
  Gerbillus nigeriae Thomas and Hinton, 1920 -- valid -- Nigerian Gerbil
  Gerbillus occiduus Lay, 1975 -- valid -- Occidental Gerbil
  Gerbillus percivali Dollman, 1914 -- invalid -- Percival's gerbil
  Gerbillus perpallidus Setzer, 1958 -- valid -- Pale Gerbil
  Gerbillus poecilops Yerbury and Thomas, 1895 -- valid -- Large Aden Gerbil
  Gerbillus principulus (Thomas and Hinton, 1923) -- valid -- Principal Gerbil
  Gerbillus pulvinatus Rhoads, 1896 -- valid -- Cushioned Gerbil, Rhoads's Gerbil
  Gerbillus pusillus Peters, 1878 -- valid -- Least Gerbil
  Gerbillus pyramidum (É. Geoffroy, 1803) -- valid -- Greater Egyptian Gerbil
  Gerbillus quadrimaculatus Lataste, 1882 -- invalid -- Four-spotted Gerbil
  Gerbillus riggenbachi Thomas, 1903 -- invalid -- Riggenbach's gerbil
  Gerbillus rosalinda St. Leger, 1929 -- valid -- Rosalinda Gerbil
  Gerbillus ruberrimus Rhoads, 1896 -- invalid -- Little Red Gerbil
  Gerbillus simoni Lataste, 1881 -- invalid -- Lesser Short-tailed Gerbil
  Gerbillus somalicus (Thomas, 1910) -- invalid -- Somalian Gerbil
  Gerbillus stigmonyx Heuglin, 1877 -- invalid -- Khartoum Gerbil
  Gerbillus syrticus Misonne, 1974 -- valid -- Sand Gerbil
  Gerbillus tarabuli Thomas, 1902 -- valid -- Tarabul's Gerbil
  Gerbillus vivax (Thomas, 1902) -- valid -- Vivacious Gerbil
  Gerbillus watersi de Winton, 1901 -- valid -- Waters's Gerbil
  Giraffa Brünnich, 1771 -- invalid
  Giraffa camelopardalis (Linnaeus, 1758) -- valid -- Giraffe, Northern Giraffe
  Giraffidae Gray, 1821 -- valid -- giraffes
  Glaucomys Thomas, 1908 -- valid -- American flying squirrels, New World Flying Squirrels
  Glaucomys sabrinus (Shaw, 1801) -- valid -- grand polatouche, Northern Flying Squirrel
  Glaucomys sabrinus coloratus Handley, 1953 -- valid -- Carolina northern flying squirrel
  Glaucomys sabrinus fuscus Miller, 1936 -- valid -- Virginia flying squirrel, Virginia northern flying squirrel
  Glaucomys volans (Linnaeus, 1758) -- valid -- Ardilla-voladora del sur, petit polatouche, Southern Flying Squirrel
  Glaucomys volans goldmani (Nelson, 1904) -- valid
  Glaucomys volans oaxacensis Goodwin, 1961 -- valid
  Glaucomys volans volans (Linnaeus, 1758) -- valid -- small eastern flying squirrel
  Glauconycteris gleni Peterson and Smith, 1973 -- valid -- Glen's Butterfly Bat, Glen's wattled bat
  Glauconycteris kenyacola Peterson, 1982 -- valid -- Kenyacola Butterfly Bat, Kenyan wattled bat
  Glironia Thomas, 1912 -- valid
  Glironia venusta Thomas, 1912 -- valid -- Bushy-tailed Opossum
  Glirulus Thomas, 1906 -- valid
  Glirulus japonicus (Schinz, 1845) -- valid -- Japanese Dormouse
  Glischropus Dobson, 1875 -- valid
  Glischropus javanus Chasen, 1939 -- valid -- Javan thick-thumbed bat, Javan Thick-thumbed Bat
  Glischropus tylopus Dobson, 1875 -- valid -- common thick-thumbed bat, Common Thick-thumbed Bat
  Globicephala Lesson, 1828 -- valid -- pilot whales
  Globicephala macrorhynchus Gray, 1846 -- valid -- Short-finned Pilot Whale
  Globicephala melaena (Traill, 1809) -- invalid -- long-finned pilot whale
  Globicephala melas (Traill, 1809) -- valid -- globicéphale noir de l'Atlantique, Long-finned Pilot Whale
  Globicephala sieboldii Gray, 1846 -- invalid
  Glossophaga E. Geoffroy, 1818 -- valid
  Glossophaga commissarisi Gardner, 1962 -- valid -- Commissaris's long-tongued bat, Commissaris's Long-tongued Bat
  Glossophaga leachii (Gray, 1844) -- valid -- gray long-tongued bat, Gray's Long-tongued Bat
  Glossophaga longirostris Miller, 1898 -- valid -- Miller's long-tongued bat, Miller's Long-tongued Bat
  Glossophaga morenoi Martínez and Villa-R., 1938 -- valid -- western long-tongued bat, Western Long-tongued Bat
  Glossophaga soricina (Pallas, 1766) -- valid -- Pallas's long-tongued bat, Pallas's Long-tongued Bat
  Glossophaginae Bonaparte, 1845 -- valid
  Glyphonycteris sylvestris Thomas, 1896 -- valid -- tri-colored big-eared bat, Tricolored Bat
  Glyphotes Thomas, 1898 -- valid
  Glyphotes simus Thomas, 1898 -- valid -- Sculptor Squirrel
  Golunda Gray, 1837 -- valid
  Golunda ellioti Gray, 1837 -- valid -- Indian Bush Rat
  Gorilla I. Geoffroy Saint-Hilaire, 1852 -- valid -- gorillas
  Gorilla gorilla (Savage, 1847) -- valid -- gorilla, Western Gorilla
  Gracilinanus Gardner and Creighton, 1989 -- valid
  Gracilinanus aceramarcae (Tate, 1931) -- valid -- Aceramarca Gracile Opossum
  Gracilinanus agilis (Burmeister, 1854) -- valid -- Agile Gracile Opossum
  Gracilinanus dryas (Thomas, 1898) -- valid -- Wood Sprite Gracile Opossum
  Gracilinanus emiliae (Thomas, 1909) -- valid -- Emilia's Gracile Opossum
  Gracilinanus marica (Thomas, 1898) -- valid -- Northern Gracile Opossum
  Gracilinanus microtarsus (Wagner, 1842) -- valid -- Brazilian Gracile Opossum
  Grammomys Thomas, 1915 -- valid -- African Thicket Rats
  Grammomys aridulus Thomas and Hinton, 1923 -- valid -- Arid Woodland Grammomys
  Grammomys buntingi (Thomas, 1911) -- valid -- Bunting's Grammomys
  Grammomys caniceps Hutterer and Dieterlen, 1984 -- valid -- Gray-headed Grammomys
  Grammomys cometes (Thomas and Wroughton, 1908) -- valid -- Mozambique Grammomys
  Grammomys dolichurus (Smuts, 1832) -- valid -- Common Grammomys
  Grammomys dryas (Thomas, 1907) -- valid -- Albertine Rift Grammomys
  Grammomys gigas (Dollman, 1911) -- valid -- Mount Kenya Grammomys
  Grammomys ibeanus (Osgood, 1910) -- valid -- East African Grammomys
  Grammomys macmillani (Wroughton, 1907) -- valid -- Macmillan's Grammomys
  Grammomys minnae Hutterer and Dieterlen, 1984 -- valid -- Ethiopian Grammomys
  Grammomys rutilans (Peters, 1876) -- invalid
  Grampus Gray, 1828 -- valid -- grampus
  Grampus griseus (G. Cuvier, 1812) -- valid -- Delfín chato, grampus, gray grampus, Risso's Dolphin
  Graomys Thomas, 1916 -- valid -- Leaf-eared Mice
  Graomys domorum (Thomas, 1902) -- valid -- Pale Leaf-eared Mouse, Pale Pericote
  Graomys edithae Thomas, 1919 -- valid -- Edith's Leaf-eared Mouse, Otro Cerro Pericote
  Graomys griseoflavus (Waterhouse, 1837) -- valid -- Common Pericote, Gray Leaf-eared Mouse
  Graphiurinae Winge, 1887 -- valid
  Graphiurus Smuts, 1832 -- valid -- African Dormice
  Graphiurus christyi Dollman, 1914 -- valid -- Christy's African Dormouse, Christy's Dormouse
  Graphiurus crassicaudatus (Jentink, 1888) -- valid -- Jentink's Dormouse, Thick-tailed African Dormouse
  Graphiurus hueti Rochebrune, 1883 -- invalid -- Huet's Dormouse
  Graphiurus kelleni (Reuvens, 1890) -- valid -- Kellen's African Dormouse, Kellen's Dormouse, Savanna Dormouse
  Graphiurus lorraineus Dollman, 1910 -- valid -- Lorrain Dormouse, Lorraine's African Dormouse
  Graphiurus microtis (Noack, 1887) -- valid -- Large Savanna African Dormouse, Small-eared Dormouse
  Graphiurus monardi (St. Leger, 1936) -- valid -- Monard's African Dormouse, Monard's Dormouse
  Graphiurus murinus (Desmarest, 1822) -- valid -- Common African Dormouse, Forest African Dormouse, Woodland Dormouse
  Graphiurus ocularis (Smith, 1829) -- valid -- Spectacled African Dormouse, Spectacled Dormouse
  Graphiurus olga (Thomas, 1925) -- invalid -- Olga's Dormouse
  Graphiurus parvus (True, 1893) -- invalid -- Savanna Dormouse
  Graphiurus platyops Thomas, 1897 -- valid -- Flat-headed African Dormouse, Rock Dormouse
  Graphiurus rupicola (Thomas and Hinton, 1925) -- valid -- Rupicolous African Dormouse, Stone Dormouse
  Graphiurus surdus Dollman, 1912 -- valid -- Short-eared African Dormouse, Silent Dormouse
  Gulo Pallas, 1780 -- valid -- wolverines
  Gulo gulo (Linnaeus, 1758) -- valid -- carcajou, Wolverine
  Gulo gulo gulo (Linnaeus, 1758) -- valid
  Gulo gulo luscus (Linnaeus, 1758) -- valid
  Gymnobelideus McCoy, 1867 -- valid
  Gymnobelideus leadbeateri McCoy, 1867 -- valid -- Leadbeater's Possum, Leadebeater's Possum
  Gymnuromys Forsyth Major, 1896 -- valid
  Gymnuromys roberti Forsyth Major, 1896 -- valid -- Voalavoanala
  Habromys Hooper and Musser, 1964 -- valid -- Crested-tailed Deer Mice
  Habromys chinanteco (Robertson and Musser, 1976) -- valid -- Chinanteco deer mouse, Chinanteco Deermouse
  Habromys lepturus (Merriam, 1898) -- valid -- Slender-tailed Deer Mouse, Zempoaltepec Deermouse
  Habromys lophurus (Osgood, 1904) -- valid -- Crested-tailed Deer Mouse, Crested-tailed Deermouse
  Habromys simulatus (Osgood, 1904) -- valid -- Jico deer mouse, Jico Deermouse
  Hadromys Thomas, 1911 -- valid
  Hadromys humei (Thomas, 1886) -- valid -- Hume's Hadromys, Hume's Rat
  Haeromys Thomas, 1911 -- valid -- Ranee Mice
  Haeromys margarettae (Thomas, 1893) -- valid -- Margaret's Haeromys
  Haeromys minahassae (Thomas, 1896) -- valid -- Lowland Sulawesi Haeromys
  Haeromys pusillus (Thomas, 1893) -- valid -- Sundaic Haeromys
  Halichoerus Nilsson, 1820 -- valid -- gray seals
  Halichoerus grypus (Fabricius, 1791) -- valid -- Atlantic gray seal, Atlantic seal, Baltic gray seal, Gray Seal, horsehead, phoque gris
  Hamadryas Lesson, 1840 -- invalid
  Hapalemur I. Geoffroy Saint-Hilaire, 1851 -- valid
  Hapalemur aureus Meier, Albignac, Peyriéras, Rumpler and Wright, 1987 -- valid -- Golden Bamboo Lemur
  Hapalemur griseus (Link, 1795) -- valid -- bamboo lemur, Gray Bamboo Lemur
  Hapalemur simus Gray, 1870 -- invalid -- greater bamboo lemur
  Hapalomys Blyth, 1859 -- valid -- Marmoset Rats
  Hapalomys delacouri Thomas, 1927 -- valid -- Lesser Marmoset Rat
  Hapalomys longicaudatus Blyth, 1859 -- valid -- Greater Marmoset Rat, Marmoset Mouse
  Haplodon leporinus californicus Peters, 1864 -- invalid
  Haplonycteris Lawrence, 1939 -- valid
  Haplonycteris fischeri Lawrence, 1939 -- valid -- Philippine pygmy fruit bat, Philippine Pygmy Fruit Bat
  Harpiocephalus Gray, 1842 -- valid
  Harpiocephalus harpia (Temminck, 1840) -- valid -- hairy-winged bat, Lesser Hairy-winged Bat
  Harpyionycteris Thomas, 1896 -- valid
  Harpyionycteris celebensis Miller and Hollister, 1921 -- valid -- Sulawesi harpy fruit bat, Sulawesi Harpy Fruit Bat
  Harpyionycteris whiteheadi Thomas, 1896 -- valid -- harpy fruit bat, Harpy Fruit Bat
  Heimyscus Misonne, 1969 -- valid
  Heimyscus fumosus (Brosset, Dubost and Heim de Balsac, 1965) -- valid -- Smokey Heimyscus
  Helamis G. Cuvier, 1821 -- invalid
  Helamys F. Cuvier in G. Cuvier, 1817 -- invalid
  Helarctos Horsfield, 1825 -- valid
  Helarctos malayanus (Raffles, 1821) -- valid -- Malayan Sun Bear, Sun bear
  Heliophobius Peters, 1846 -- valid
  Heliophobius argenteocinereus Peters, 1846 -- valid -- Silvery Mole-rat
  Heliosciurus Trouessart, 1880 -- valid -- Sun Squirrels
  Heliosciurus gambianus (Ogilby, 1835) -- valid -- Gambian Sun Squirrel
  Heliosciurus mutabilis (Peters, 1852) -- valid -- Mutable Sun Squirrel
  Heliosciurus punctatus (Temminck, 1853) -- valid -- Small Sun Squirrel
  Heliosciurus rufobrachium (Waterhouse, 1842) -- valid -- Red-legged Sun Squirrel
  Heliosciurus ruwenzorii (Schwann, 1904) -- valid -- Ruwenzori Sun Squirrel
  Heliosciurus undulatus (True, 1892) -- valid -- Zanj Sun Squirrel
  Helogale Gray, 1862 -- valid
  Helogale hirtula Thomas, 1904 -- valid -- desert dwarf mongoose, Ethiopian Dwarf Mongoose
  Helogale parvula (Sundevall, 1847) -- valid -- Common Dwarf Mongoose, dwarf mongoose
  Hemibelideus Collett, 1884 -- valid
  Hemibelideus lemuroides (Collett, 1884) -- valid -- Lemur-like Ringtail
  Hemicentetes Mivart, 1871 -- valid
  Hemicentetes semispinosus (G. Cuvier, 1798) -- valid -- Lowland Streaked Tenrec, streaked tenrec
  Hemiechinus Fitzinger, 1866 -- valid
  Hemiechinus aethiopicus (Ehrenberg, 1832) -- invalid -- desert hedgehog
  Hemiechinus auritus (Gmelin, 1770) -- valid -- Long-eared Hedgehog
  Hemiechinus collaris (Gray, 1830) -- valid -- Indian Long-eared Hedgehog
  Hemiechinus hypomelas (Brandt, 1836) -- invalid -- Brandt's hedgehog
  Hemiechinus micropus (Blyth, 1846) -- invalid -- Indian hedgehog
  Hemiechinus nudiventris (Horsfield, 1851) -- invalid -- bare-bellied hedgehog
  Hemigalinae Gray, 1865 -- valid
  Hemigalus Jourdan, 1837 -- valid
  Hemigalus derbyanus (Gray, 1837) -- valid -- Banded Palm Civet
  Hemitragus Hodgson, 1841 -- valid
  Hemitragus hylocrius (Ogilby, 1838) -- valid -- Nilgiri tahr, Nilgiri Tahr
  Hemitragus jayakari Thomas, 1894 -- valid -- Arabian Tahr, Arabian tahr
  Hemitragus jemlahicus (C. H. Smith, 1826) -- valid -- Himalayan tahr, Himalayan Tahr
  Heptaxodontidae Anthony, 1917 -- valid
  Heptaxodontinae Anthony, 1917 -- valid
  Herpailurus Severtzov, 1858 -- invalid -- jaguarundis
  Herpailurus yaguarondi (Lacépède, 1809) -- invalid -- Jaguarundi, jaguarundi
  Herpailurus yaguarondi cacomitli (Berlandier, 1859) -- invalid -- Gulf Coast jaguarundi, jaguarundi
  Herpailurus yaguarondi fossata (Mearns, 1901) -- invalid -- Guatemalan jaguarundi
  Herpailurus yaguarondi panamensis (J. A. Allen, 1904) -- invalid -- Panamanian jaguarundi
  Herpailurus yaguarondi tolteca (Thomas, 1898) -- invalid -- Sinaloan jaguarundi
  Herpailurus yaguarondi yaguarondi (Lacépède, 1809) -- invalid
  Herpestes Illiger, 1811 -- valid -- mongooses
  Herpestes auropunctatus (Hodgson, 1836) -- invalid -- Indian mongoose
  Herpestes brachyurus Gray, 1837 -- valid -- Short-tailed Mongoose
  Herpestes edwardsii (É. Geoffroy Saint-Hilaire, 1818) -- invalid -- Indian gray mongoose
  Herpestes ichneumon (Linnaeus, 1758) -- valid -- Egyptian Mongoose
  Herpestes javanicus (É. Geoffroy Saint-Hilaire, 1818) -- valid -- Indian mongoose, Javan mongoose, Small Asian Mongoose
  Herpestes naso de Winton, 1901 -- valid -- Long-nosed Mongoose
  Herpestes palustris Ghose, 1965 -- invalid -- Bengal mongoose
  Herpestes semitorquatus Gray, 1846 -- valid -- Collared Mongoose
  Herpestes smithii Gray, 1837 -- valid -- Ruddy Mongoose
  Herpestes urva (Hodgson, 1836) -- valid -- Crab-eating Mongoose
  Herpestes vitticollis Bennett, 1835 -- valid -- Stripe-necked Mongoose, striped-necked mongoose
  Herpestidae Bonaparte, 1845 -- valid -- civets, mongooses
  Herpestinae Bonaparte, 1845 -- invalid
  Hesperoptenus Peters, 1868 -- valid
  Hesperoptenus blanfordi (Dobson, 1877) -- valid -- Blanford's bat, Blanford's Bat
  Hesperoptenus doriae (Peters, 1868) -- valid -- false serotine bat, False Serotine Bat
  Hesperoptenus gaskelli Hill, 1983 -- valid -- Gaskell's false serotine, Gaskell's False Serotine
  Hesperoptenus tickelli (Blyth, 1851) -- valid -- Tickell's bat, Tickell's Bat
  Hesperoptenus tomesi Thomas, 1905 -- valid -- large false serotine, Large False Serotine
  Heterocephalus Rüppell, 1842 -- valid
  Heterocephalus glaber Rüppell, 1842 -- valid -- Naked Mole-rat
  Heterohyrax Gray, 1868 -- valid -- Bush Hyraxes
  Heterohyrax antineae (Heim de Balsac and Begouen, 1932) -- invalid -- Hoggar Hyrax
  Heterohyrax brucei (Gray, 1868) -- valid -- Yellow-spotted Rock Hyrax
  Heteromyidae Gray, 1868 -- valid -- heteromyid rodents, Kangaroo Mice, Kangaroo Rats, Pocket Mice
  Heteromyinae Gray, 1868 -- valid
  Heteromys Desmarest, 1817 -- valid -- Forest Spiny Pocket Mice
  Heteromys anomalus (Thompson, 1815) -- valid -- Caribbean Spiny Pocket Mouse, Trinidad Spiny Pocket Mouse
  Heteromys australis Thomas, 1901 -- valid -- Southern Spiny Pocket Mouse
  Heteromys desmarestianus Gray, 1868 -- valid -- Desmarest's Spiny Pocket Mouse
  Heteromys gaumeri J. A. Allen and Chapman, 1897 -- valid -- Gaumer's Spiny Pocket Mouse
  Heteromys goldmani Merriam, 1902 -- valid -- Goldman's Spiny Pocket Mouse
  Heteromys nelsoni Merriam, 1902 -- valid -- Nelson's Spiny Pocket Mouse
  Heteromys oresterus Harris, 1932 -- valid -- Mountain Spiny Pocket Mouse
  Heteropsomyinae Anthony, 1917 -- valid
  Heteropsomys Anthony, 1916 -- valid
  Heteropsomys antillensis (Anthony, 1917) -- valid -- Antillean Cave Rat
  Heteropsomys insulans Anthony, 1916 -- valid -- Puerto Rican Cave Rat
  Hexaprotodon Falconer and Cautley, 1836 -- valid -- pygmy hippopotamuses
  Hexaprotodon liberiensis (Morton, 1849) -- valid -- pygmy hippopotamus, Pygmy Hippopotamus
  Hexaprotodon madagascariensis (Guldberg, 1883) -- valid -- Madagascan pygmy hippopotamus
  Hexolobodon Miller, 1929 -- valid
  Hexolobodon phenax Miller, 1929 -- valid -- Imposter Hutia
  Hexolobodontinae Woods, 1989 -- valid
  Hippocamelus Leuckart, 1816 -- valid -- guemals
  Hippocamelus antisensis (d'Orbigny, 1834) -- valid -- North Andean huemul, Peruvian guemal, Taruca
  Hippocamelus bisulcus (Molina, 1782) -- valid -- Chilean Guemal, Guemal, South Andean huemul
  Hippopotamidae Gray, 1821 -- valid -- hippopotamuses
  Hippopotamus Linnaeus, 1758 -- valid -- hippopotamuses
  Hippopotamus amphibius Linnaeus, 1758 -- valid -- Common Hippopotamus, hippopotamus
  Hippopotamus lemerlei Grandidier, 1868 -- valid -- Madagascan dwarf hippopotamus
  Hipposiderinae Lydekker, 1891 -- invalid
  Hipposideros Gray, 1831 -- valid
  Hipposideros abae J. A. Allen, 1917 -- valid -- Aba Leaf-nosed Bat, Aba roundleaf bat
  Hipposideros armiger (Hodgson, 1835) -- valid -- Great Leaf-nosed Bat, great roundleaf bat
  Hipposideros ater Templeton, 1848 -- valid -- Dusky Leaf-nosed Bat, dusky roundleaf bat
  Hipposideros beatus K. Andersen, 1906 -- valid -- Benito Leaf-nosed Bat, Benito roundleaf bat
  Hipposideros bicolor (Temminck, 1834) -- valid -- Bicolored Leaf-nosed Bat, bicolored roundleaf bat
  Hipposideros breviceps Tate, 1941 -- valid -- Short-headed Leaf-nosed Bat, short-headed roundleaf bat
  Hipposideros caffer (Sundevall, 1846) -- valid -- Sundevall's Leaf-nosed Bat, Sundevall's roundleaf bat
  Hipposideros calcaratus (Dobson, 1877) -- valid -- Spurred Leaf-nosed Bat, spurred roundleaf bat
  Hipposideros camerunensis Eisentraut, 1956 -- valid -- Cameroon Leaf-nosed Bat, greater roundleaf bat
  Hipposideros cervinus (Gould, 1854) -- valid -- fawn roundleaf bat, Fawn-colored Leaf-nosed Bat
  Hipposideros cineraceus Blyth, 1853 -- valid -- Ashy Leaf-nosed Bat, ashy roundleaf bat
  Hipposideros commersoni (E. Geoffroy, 1813) -- invalid -- Commerson's Leaf-nosed Bat, Commerson's roundleaf bat
  Hipposideros coronatus (Peters, 1871) -- valid -- Large Mindanao Leaf-nosed Bat, large Mindanao roundleaf bat
  Hipposideros corynophyllus Hill, 1985 -- valid -- Telefomin Leaf-nosed Bat, Telefomin roundleaf bat
  Hipposideros coxi Shelford, 1901 -- valid -- Cox's Leaf-nosed Bat, Cox's roundleaf bat
  Hipposideros crumeniferus (Lesueur and Petit, 1807) -- valid -- Timor Leaf-nosed Bat, Timor roundleaf bat
  Hipposideros curtus G. M. Allen, 1921 -- valid -- Short-tailed Leaf-nosed Bat, short-tailed roundleaf bat
  Hipposideros cyclops (Temminck, 1853) -- valid -- Cyclops Leaf-nosed Bat, cyclops roundleaf bat
  Hipposideros diadema (E. Geoffroy, 1813) -- valid -- Diadem Leaf-nosed Bat, diadem roundleaf bat
  Hipposideros dinops K. Andersen, 1905 -- valid -- Fierce Leaf-nosed Bat, fierce roundleaf bat
  Hipposideros doriae (Peters, 1871) -- valid -- Bornean Leaf-nosed Bat, Borneo roundleaf bat
  Hipposideros dyacorum Thomas, 1902 -- valid -- Dayak Leaf-nosed Bat, Dayak roundleaf bat
  Hipposideros fuliginosus (Temminck, 1853) -- valid -- Sooty Leaf-nosed Bat, sooty roundleaf bat
  Hipposideros fulvus Gray, 1838 -- valid -- Fulvus Leaf-nosed Bat, fulvus roundleaf bat
  Hipposideros galeritus Cantor, 1846 -- valid -- Cantor's Leaf-nosed Bat, Cantor's roundleaf bat
  Hipposideros halophyllus Hill and Yenbutra, 1984 -- valid -- Thailand Leaf-nosed Bat, Thailand roundleaf bat
  Hipposideros inexpectatus Laurie and Hill, 1954 -- valid -- Crested Leaf-nosed Bat, crested roundleaf bat
  Hipposideros jonesi Hayman, 1947 -- valid -- Jones's Leaf-nosed Bat, Jones's roundleaf bat
  Hipposideros lamottei Brosset, 1985 -- valid -- Lamotte's Leaf-nosed Bat, Lamotte's roundleaf bat
  Hipposideros lankadiva Kelaart, 1850 -- valid -- Indian Leaf-nosed Bat, Indian roundleaf bat
  Hipposideros larvatus (Horsfield, 1823) -- valid -- Intermediate Leaf-nosed Bat, intermediate roundleaf bat
  Hipposideros lekaguli Thonglongya and Hill, 1974 -- valid -- Large Asian Leaf-nosed Bat, large Asian roundleaf bat
  Hipposideros lylei Thomas, 1913 -- valid -- Shield-faced Leaf-nosed Bat, shield-faced roundleaf bat
  Hipposideros macrobullatus Tate, 1941 -- valid -- Big-eared Leaf-nosed Bat, big-eared roundleaf bat
  Hipposideros maggietaylorae Smith and Hill, 1981 -- valid -- Maggie Taylor's Leaf-nosed Bat, Maggie Taylor's roundleaf bat
  Hipposideros marisae Aellen, 1954 -- valid -- Aellen's Leaf-nosed Bat, Aellen's roundleaf bat
  Hipposideros megalotis (Heuglin, 1861) -- valid -- Ethiopian large-eared roundleaf bat, Large-eared Leaf-nosed Bat
  Hipposideros muscinus (Thomas and Doria, 1886) -- valid -- Fly River Leaf-nosed Bat, Fly River roundleaf bat
  Hipposideros nequam K. Andersen, 1918 -- valid -- Malayan Leaf-nosed Bat, Malayan roundleaf bat
  Hipposideros obscurus (Peters, 1861) -- valid -- Philippine Forest Leaf-nosed Bat, Philippine forest roundleaf bat
  Hipposideros papua (Thomas and Doria, 1886) -- valid -- Biak Leaf-nosed Bat, Biak roundleaf bat
  Hipposideros pomona K. Andersen, 1918 -- valid -- Pomona Leaf-nosed Bat, Pomona roundleaf bat
  Hipposideros pratti Thomas, 1891 -- valid -- Pratt's Leaf-nosed Bat, Pratt's roundleaf bat
  Hipposideros pygmaeus (Waterhouse, 1843) -- valid -- Philippine Pygmy Leaf-nosed Bat, Philippine pygmy roundleaf bat
  Hipposideros ridleyi Robinson and Kloss, 1911 -- valid -- Ridley's Leaf-nosed Bat, Ridley's roundleaf bat, Singapore roundleaf horseshoe bat
  Hipposideros ruber (Noack, 1893) -- valid -- Noack's Leaf-nosed Bat, Noack's roundleaf bat
  Hipposideros sabanus Thomas, 1898 -- invalid -- least roundleaf bat
  Hipposideros schistaceus K. Andersen, 1918 -- invalid -- split roundleaf bat
  Hipposideros semoni Matschie, 1903 -- valid -- Semon's Leaf-nosed Bat, Semon's roundleaf bat
  Hipposideros speoris (Schneider, 1800) -- valid -- Schneider's Leaf-nosed Bat, Schneider's roundleaf bat
  Hipposideros stenotis Thomas, 1913 -- valid -- Narrow-eared Leaf-nosed Bat, narrow-eared roundleaf bat
  Hipposideros turpis Bangs, 1901 -- valid -- Lesser Leaf-nosed Bat, lesser roundleaf bat
  Hipposideros wollastoni Thomas, 1913 -- valid -- Wollaston's Leaf-nosed Bat, Wollaston's roundleaf bat
  Hippotraginae Brooke, 1876 -- invalid
  Hippotragus Sundevall, 1845 -- valid -- roan antelopes, sable antelopes
  Hippotragus equinus (Desmarest, 1804) -- invalid -- roan antelope
  Hippotragus leucophaeus (Pallas, 1766) -- valid -- Blaaubok, blue buck
  Hippotragus niger (Harris, 1838) -- valid -- Sable Antelope, sable antelope
  Histiotus Gervais, 1856 -- valid
  Histiotus alienus Thomas, 1916 -- valid -- strange big-eared brown bat, Strange Big-eared Brown Bat
  Histiotus macrotus (Poeppig, 1835) -- valid -- big-eared brown bat, Big-eared Brown Bat
  Histiotus montanus (Philippi and Landbeck, 1861) -- valid -- small big-eared brown bat, Small Big-eared Brown Bat
  Histiotus velatus (I. Geoffroy, 1824) -- valid -- tropical big-eared brown bat, Tropical Big-eared Brown Bat
  Hodomys Merriam, 1894 -- valid
  Hodomys alleni (Merriam, 1892) -- valid -- Allen's Woodrat
  Holochilus Brandt, 1835 -- valid -- Marsh Rats
  Holochilus brasiliensis (Desmarest, 1819) -- valid -- Brazilian Marsh Rat, Web-footed Marsh Rat
  Holochilus chacarius Thomas, 1906 -- valid -- Chaco Marsh Rat, Chacoan Marsh Rat
  Holochilus magnus Hershkovitz, 1955 -- invalid -- Greater Marsh Rat
  Holochilus sciureus Wagner, 1842 -- valid -- Amazonian Marsh Rat, Marsh Rat
  Hominidae Gray, 1825 -- valid -- Great Apes, man-like primates
  Homo Linnaeus, 1758 -- valid -- hominoids
  Homo sapiens Linnaeus, 1758 -- valid -- Human, Humans, man
  Hoplomys J. A. Allen, 1908 -- valid
  Hoplomys gymnurus (Thomas, 1897) -- valid -- Armored Rat
  Hyaena Brünnich, 1771 -- invalid
  Hyaena hyaena (Linnaeus, 1758) -- valid -- Striped Hyena
  Hyaena hyaena barbara de Blainville, 1844 -- invalid -- Barbary hyaena
  Hyaena hyaena hyaena (Linnaeus, 1758) -- invalid
  Hyaenidae Gray, 1821 -- valid -- Hyenas
  Hyaeninae Gray, 1821 -- invalid
  Hybomys Thomas, 1910 -- valid -- Striped Mice
  Hybomys basilii Eisentraut, 1965 -- valid -- Bioko Hybomys
  Hybomys eisentrauti Van der Straeten and Hutterer, 1986 -- invalid
  Hybomys lunaris (Thomas, 1906) -- valid -- Ruwenzori Hybomys
  Hybomys planifrons (Miller, 1900) -- valid -- Liberian Forest Hybomys
  Hybomys trivirgatus (Temminck, 1853) -- valid -- West African Hybomys
  Hybomys univittatus (Peters, 1876) -- valid -- Peters's Hybomys
  Hydrochaeridae Gray, 1825 -- invalid
  Hydrochaeris Brünnich, 1772 -- invalid
  Hydrochaeris hydrochaeris (Linnaeus, 1766) -- invalid
  Hydrodamalis Retzius, 1794 -- valid -- sea cows
  Hydrodamalis gigas (Zimmermann, 1780) -- valid -- great northern sea cow, Steller's Sea Cow
  Hydromys É. Geoffroy, 1804 -- valid -- Water Rats
  Hydromys chrysogaster É. Geoffroy, 1804 -- valid -- Common Water Rat
  Hydromys habbema Tate and Archbold, 1941 -- invalid -- New Guinea Mountain Water Rat
  Hydromys hussoni Musser and Piik, 1982 -- valid -- Husson's Water Rat
  Hydromys neobrittanicus Tate and Archbold, 1935 -- invalid
  Hydromys shawmayeri (Hinton, 1943) -- invalid -- Shaw Mayer's Water Rat
  Hydropotes Swinhoe, 1870 -- valid
  Hydropotes inermis Swinhoe, 1870 -- valid -- Chinese Water Deer, Chinese water deer
  Hydropotinae Trouessart, 1898 -- valid
  Hydrurga Gistel, 1848 -- valid
  Hydrurga leptonyx (de Blainville, 1820) -- valid -- Leopard seal
  Hyemoschus Gray, 1845 -- valid
  Hyemoschus aquaticus (Ogilby, 1841) -- valid -- Water Chevrotain, water chevrotain
  Hylobates Illiger, 1811 -- valid
  Hylobates agilis F. Cuvier, 1821 -- valid -- Agile Gibbon
  Hylobates concolor (Harlan, 1826) -- invalid
  Hylobates gabriellae Thomas, 1909 -- invalid -- buff-cheeked gibbon
  Hylobates hoolock (Harlan, 1834) -- invalid
  Hylobates klossii (Miller, 1903) -- valid -- Kloss's Gibbon
  Hylobates lar (Linnaeus, 1771) -- valid -- Lar Gibbon, white-handed gibbon
  Hylobates leucogenys Ogilby, 1840 -- invalid
  Hylobates moloch (Audebert, 1798) -- valid -- Moloch Gibbon, silvery gibbon, Silvery Javan Gibbon
  Hylobates muelleri Martin, 1841 -- valid -- Borneo gibbon, Müller's Bornean Gibbon, Müller's Gibbon
  Hylobates pileatus Gray, 1861 -- valid -- Pileated Gibbon
  Hylobates syndactylus (Raffles, 1821) -- invalid -- siamang
  Hylobatidae Gray, 1871 -- valid -- gibbons
  Hylochoerus Thomas, 1904 -- valid
  Hylochoerus meinertzhageni Thomas, 1904 -- valid -- Giant Forest Hog, giant forest hog
  Hylomyinae Anderson, 1879 -- invalid
  Hylomys Müller, 1840 -- valid -- lesser gymnure, lesser moonrat
  Hylomys hainanensis (Shaw and Wong, 1959) -- invalid -- Hainan gymnure, Hainan moonrat
  Hylomys sinensis (Trouessart, 1909) -- invalid -- Chinese gymnure, shrew gymnure, shrew-hedgehog
  Hylomys suillus Müller, 1840 -- valid -- Short-tailed Gymnure
  Hylomyscus Thomas, 1926 -- valid -- African Wood Mice
  Hylomyscus aeta (Thomas, 1911) -- valid -- Beaded Hylomyscus
  Hylomyscus alleni (Waterhouse, 1838) -- valid -- Allen's Hylomyscus
  Hylomyscus baeri Heim de Balsac and Aellen, 1965 -- valid -- Baer's Hylomyscus
  Hylomyscus carillus (Thomas, 1904) -- valid -- Angolan Hylomyscus
  Hylomyscus denniae (Thomas, 1906) -- valid -- Montane Hylomyscus
  Hylomyscus parvus Brosset, Dubost and Heim de Balsac, 1965 -- valid -- Lesser Hylomyscus
  Hylomyscus stella (Thomas, 1911) -- valid -- Stella Hylomyscus
  Hylonycteris Thomas, 1903 -- valid
  Hylonycteris underwoodi Thomas, 1903 -- valid -- Underwood's long-tongued bat, Underwood's Long-tongued Bat
  Hylopetes Thomas, 1908 -- valid -- Arrow-tailed Flying Squirrels
  Hylopetes alboniger (Hodgson, 1836) -- valid -- Particolored Flying Squirrel
  Hylopetes baberi (Blyth, 1847) -- invalid -- Afghan flying squirrel
  Hylopetes bartelsi (Chasen, 1939) -- valid -- Bartel's Flying Squirrel, Bartels's Flying Squirrel
  Hylopetes fimbriatus (Gray, 1837) -- invalid -- Kashmir Flying Squirrel
  Hylopetes lepidus (Horsfield, 1824) -- invalid -- Gray-cheeked Flying Squirrel, Pink-cheeked flying squirrel
  Hylopetes nigripes (Thomas, 1893) -- valid -- Palawan Flying Squirrel
  Hylopetes phayrei (Blyth, 1859) -- valid -- Indochinese Flying Squirrel, Phayre's Flying Squirrel
  Hylopetes sipora Chasen, 1940 -- valid -- Sipora Flying Squirrel
  Hylopetes spadiceus (Blyth, 1847) -- valid -- Red-cheeked Flying Squirrel
  Hylopetes winstoni (Sody, 1949) -- valid -- Sumatran Flying Squirrel
  Hyomys Thomas, 1904 -- valid -- New Guinean Giant Rats
  Hyomys dammermani Stein, 1933 -- valid -- Western Hyomys
  Hyomys goliath (Milne-Edwards, 1900) -- valid -- Eastern Hyomys
  Hyosciurus Archbold and Tate, 1935 -- valid -- Sulawesi Long-nosed Squirrels
  Hyosciurus heinrichi Archbold and Tate, 1935 -- valid -- Montane Long-nosed Squirrel
  Hyosciurus ileile Tate and Archbold, 1936 -- valid -- Lowland Long-nosed Squirrel
  Hyperacrius Miller, 1896 -- valid -- Kashmir Voles
  Hyperacrius fertilis (True, 1894) -- valid -- Subalpine Kashmir Vole, True's Vole
  Hyperacrius wynnei (Blanford, 1881) -- valid -- Conifer Kashmir Vole, Murree Vole
  Hyperoodon Lacépède, 1804 -- valid -- bottle-nosed whales, bottlenose whales
  Hyperoodon ampullatus (Forster, 1770) -- valid -- baleine à bec commune, North Atlantic bottle-nosed whale, North Atlantic bottlenose whale, northern bottle-nosed whale, Northern Bottlenose Whale
  Hyperoodon planifrons Flower, 1882 -- valid -- Ballena-picuda frente plana, southern bottle-nosed whale, Southern Bottlenose Whale
  Hypogeomys A. Grandidier, 1869 -- valid
  Hypogeomys antimena A. Grandidier, 1869 -- valid -- Malagasy giant rat, Votsovotsa
  Hypsignathus H. Allen, 1861 -- valid
  Hypsignathus monstrosus H. Allen, 1861 -- valid -- hammer-headed fruit bat, Hammer-headed Fruit Bat
  Hypsiprymnodon Ramsay, 1876 -- valid -- musky 'rat'-kangaroo
  Hypsiprymnodon moschatus Ramsay, 1876 -- valid -- musky 'rat'-kangaroo, Musky Rat-kangaroo
  Hypudaeus ochrogaster Wagner, 1842 -- invalid
  Hyracoidea Huxley, 1869 -- valid -- cories, dassies, Hyraxes
  Hystricidae Fischer de Waldheim, 1817 -- valid
  Hystricognathi Brandt, 1855 -- valid -- hystricognath rodents
  Hystrix Linnaeus, 1758 -- valid
  Hystrix africaeaustralis Peters, 1852 -- valid -- Cape Porcupine
  Hystrix brachyura Linnaeus, 1758 -- valid -- Malayan Porcupine
  Hystrix crassispinis (Günther, 1877) -- valid -- Thick-spined Porcupine
  Hystrix cristata Linnaeus, 1758 -- valid -- Crested Porcupine
  Hystrix indica Kerr, 1792 -- valid -- Indian Crested Porcupine
  Hystrix javanica (F. Cuvier, 1823) -- valid -- Sunda Porcupine
  Hystrix pumila (Günther, 1879) -- valid -- Indonesian Porcupine
  Hystrix sumatrae (Lyon, 1907) -- valid -- Sumatran Porcupine
  Ia Thomas, 1902 -- valid
  Ia io Thomas, 1902 -- valid -- great evening bat, Great Evening Bat
  Ichneumia I. Geoffroy Saint-Hilaire, 1837 -- valid
  Ichneumia albicauda (G.[Baron] Cuvier, 1829) -- valid -- White-tailed Mongoose
  Ichthyomys Thomas, 1893 -- valid -- Crab-eating Rats
  Ichthyomys hydrobates (Winge, 1891) -- valid -- Crab-eating Rat, Silver-bellied Ichthyomyine
  Ichthyomys pittieri Handley and Mondolfi, 1963 -- valid -- Pittier's Crab-eating Rat, Pittier's Ichthyomyine
  Ichthyomys stolzmanni Thomas, 1893 -- valid -- Stolzmann's Crab-eating Rat, Stolzmann's Ichthyomyine
  Ichthyomys tweedii Anthony, 1921 -- valid -- Tweedy's Crab-eating Rat, Tweedy's Ichthyomyine
  Ictonyx Kaup, 1835 -- valid
  Ictonyx libyca (Hemprich and Ehrenberg, 1833) -- invalid -- Saharan Striped Polecat
  Ictonyx striatus (Perry, 1810) -- valid -- Striped Polecat, Zorilla
  Idionycteris Anthony, 1923 -- valid -- Allen's big-eared bats
  Idionycteris phyllotis (G. M. Allen, 1916) -- valid -- Allen's big-eared bat, Allen's Big-eared Bat, Murciélago-mula de Allen
  Idiurinae Miller and Gidley, 1918 -- invalid
  Idiurus Matschie, 1894 -- valid -- Pygmy Flying Squirrels, Pygmy Scaly-tailed Flying Squirrels
  Idiurus macrotis Miller, 1898 -- valid -- Long-eared Flying Squirrel, Long-eared Scaly-tailed Flying Squirrel
  Idiurus zenkeri Matschie, 1894 -- valid -- Pygmy Scaly-tailed Flying Squirrel, Zenker's Flying Squirrel
  Indopacetus Moore, 1968 -- valid
  Indopacetus pacificus (Longman, 1926) -- valid -- Indo-Pacific beaked whale, Longman's Beaked Whale, Tropical Bottlenose Whale
  Indri É. Geoffroy Saint-Hilaire and G. Cuvier, 1796 -- valid
  Indri indri (Gmelin, 1788) -- valid -- Indri
  Indridae Burnett, 1828 -- invalid
  Inia d'Orbigny, 1834 -- valid
  Inia geoffrensis (Blainville, 1817) -- valid -- Amazon River Dolphin, boto, boutu, Pink River Dolphin
  Insectivora -- invalid -- insectivores
  Iomys Thomas, 1908 -- valid -- Horsfield's Flying Squirrels
  Iomys horsfieldii (Waterhouse, 1838) -- valid -- Javanese Flying Squirrel
  Iomys sipora Chasen and Kloss, 1928 -- valid -- Mentawai Flying Squirrel, Mentawi Flying Squirrel
  Irenomys Thomas, 1919 -- valid
  Irenomys tarsalis (Philippi, 1900) -- valid -- Chilean climbing mouse, Large-footed Irenomys
  Isolobodon J. A. Allen, 1916 -- valid -- Puerto Rican hutias
  Isolobodon montanus (Miller, 1922) -- valid -- Montane Hutia
  Isolobodon portoricensis J. A. Allen, 1916 -- valid -- Puerto Rican Hutia, Puerto Rico hutia
  Isolobodontinae Woods, 1989 -- valid
  Isoodon Desmarest, 1817 -- valid -- short-nosed bandicoots
  Isoodon auratus (Ramsay, 1887) -- valid -- Golden Bandicoot
  Isoodon macrourus (Gould, 1842) -- valid -- Northern Brown Bandicoot
  Isoodon obesulus (Shaw, 1797) -- valid -- Southern Brown Bandicoot
  Isothrix Wagner, 1845 -- valid
  Isothrix bistriata Wagner, 1845 -- valid -- Yellow-crowned Brush-tailed Rat
  Isothrix pagurus Wagner, 1845 -- valid -- Plain Brush-tailed Rat
  Isthmomys Hooper and Musser, 1964 -- valid -- Isthmus Rats
  Isthmomys flavidus (Bangs, 1902) -- valid -- Yellow Deermouse, yellow Isthmus rat
  Isthmomys pirrensis (Goldman, 1912) -- valid -- Mount Pirri Deermouse, Mount Pirri Isthmus rat, Mt. Pirri Isthmus rat
  Jaculus Erxleben, 1777 -- valid -- African Desert Jerboas, Desert Jerboas
  Jaculus blanfordi (Murray, 1884) -- valid -- Blanford's Jerboa
  Jaculus jaculus (Linnaeus, 1758) -- valid -- Lesser Egyptian Jerboa
  Jaculus orientalis Erxleben, 1777 -- valid -- Greater Egyptian Jerboa
  Jaculus turcmenicus Vinogradov and Bondar, 1949 -- invalid
  Juscelinomys Moojen, 1965 -- valid -- Juscelin's Mice
  Juscelinomys candango Moojen, 1965 -- valid -- Candango Akodont, Candango mouse
  Kadarsanomys Musser, 1981 -- valid
  Kadarsanomys sodyi (Bartels, 1937) -- valid -- Javan Bamboo Rat
  Kannabateomys Jentink, 1891 -- valid
  Kannabateomys amblyonyx (Wagner, 1845) -- valid -- Atlantic Bamboo Rat
  Kerivoula Gray, 1842 -- valid
  Kerivoula aerosa Tomes, 1858 -- invalid -- dubious trumpet-eared bat
  Kerivoula africana Dobson, 1878 -- valid -- Tanzanian woolly bat, Tanzanian Woolly Bat
  Kerivoula agnella Thomas, 1908 -- valid -- St. Aignan's trumpet-eared bat, St. Aignan's Woolly Bat
  Kerivoula argentata Tomes, 1861 -- valid -- Damara woolly bat, Damara Woolly Bat
  Kerivoula atrox (Miller, 1905) -- invalid
  Kerivoula cuprosa Thomas, 1912 -- valid -- copper woolly bat, Copper Woolly Bat
  Kerivoula eriophora (Heuglin, 1877) -- valid -- Ethiopian woolly bat, Ethiopian Woolly Bat
  Kerivoula flora Thomas, 1914 -- valid -- Flores woolly bat, Flores Woolly Bat
  Kerivoula hardwickii (Horsfield, 1824) -- valid -- Hardwicke's woolly bat, Hardwicke's Woolly Bat
  Kerivoula intermedia Hill and Francis, 1984 -- valid -- small woolly bat, Small Woolly Bat
  Kerivoula jagorii (Peters, 1866) -- invalid -- Peters's trumpet-eared bat
  Kerivoula lanosa (A. Smith, 1847) -- valid -- lesser woolly bat, Lesser Woolly Bat
  Kerivoula minuta Miller, 1898 -- valid -- least woolly bat, Least Woolly Bat
  Kerivoula muscina Tate, 1941 -- valid -- Fly River trumpet-eared bat, Fly River Woolly Bat
  Kerivoula myrella Thomas, 1914 -- valid -- Bismarck's trumpet-eared bat, Bismarck's Woolly Bat
  Kerivoula papillosa (Temminck, 1840) -- valid -- Papillose woolly bat, Papillose Woolly Bat
  Kerivoula papuensis Dobson, 1878 -- invalid -- golden-tipped bat
  Kerivoula pellucida (Waterhouse, 1845) -- valid -- clear-winged woolly bat, Clear-winged Woolly Bat
  Kerivoula phalaena Thomas, 1912 -- valid -- Spurrell's woolly bat, Spurrell's Woolly Bat
  Kerivoula picta (Pallas, 1767) -- valid -- painted bat, Painted Woolly Bat
  Kerivoula smithii Thomas, 1880 -- valid -- Smith's woolly bat, Smith's Woolly Bat
  Kerivoula whiteheadi Thomas, 1894 -- valid -- Whitehead's woolly bat, Whitehead's Woolly Bat
  Kerivoulinae Miller, 1907 -- valid
  Kerodon F. Cuvier, 1825 -- valid
  Kerodon rupestris (Wied-Neuwied, 1820) -- valid -- Rock Cavy
  Kobus A. Smith, 1840 -- valid -- kobs
  Kobus ellipsiprymnus (Ogilby, 1833) -- valid -- waterbuck, Waterbuck
  Kobus kob (Erxleben, 1777) -- valid -- kob, Kob
  Kobus leche Gray, 1850 -- valid -- lechwe, Lechwe, red lechwe
  Kobus megaceros (Fitzinger, 1855) -- valid -- Nile lechwe, Nile Lechwe
  Kobus vardonii (Livingstone, 1857) -- valid -- Puku, puku
  Kogia Gray, 1846 -- valid -- pygmy sperm whales, small sperm whales
  Kogia breviceps (Blainville, 1838) -- valid -- Cachalote pigmeo, Pygmy Sperm Whale
  Kogia sima (Owen, 1866) -- valid -- Dwarf Sperm Whale
  Kogia simus (Owen, 1866) -- invalid -- dwarf sperm whale
  Komodomys Musser and Boeadi, 1980 -- valid
  Komodomys rintjanus (Sody, 1941) -- valid -- Nusa Tenggara Komodomys
  Kunsia Hershkovitz, 1966 -- valid -- South American Giant Rats
  Kunsia fronto (Winge, 1887) -- valid -- Fossorial Giant Rat, Fossorial Kunsia
  Kunsia tomentosus (Lichtenstein, 1830) -- valid -- Woolly Giant Rat, Woolly Kunsia
  Laephotis Thomas, 1901 -- valid
  Laephotis angolensis Monard, 1935 -- valid -- Angolan long-eared bat, Angolan Long-eared Bat
  Laephotis botswanae Setzer, 1971 -- valid -- Botswanan long-eared bat, Botswanan Long-eared Bat
  Laephotis namibensis Setzer, 1971 -- valid -- Namib long-eared bat, Namibian Long-eared Bat
  Laephotis wintoni Thomas, 1901 -- valid -- De Winton's long-eared bat, de Winton's Long-eared Bat
  Lagenodelphis Fraser, 1956 -- valid -- Borneau dolphins
  Lagenodelphis hosei Fraser, 1956 -- valid -- Delfín de Fraser, Fraser's Dolphin
  Lagenorhynchus Gray, 1846 -- valid -- white-beaked dolphins, white-sided dolphins
  Lagenorhynchus acutus (Gray, 1828) -- valid -- Atlantic White-sided Dolphin, dauphin à flancs blancs
  Lagenorhynchus albirostris (Gray, 1846) -- valid -- dauphin à nez blanc, White-beaked Dolphin
  Lagenorhynchus australis (Peale, 1848) -- valid -- Peale's Dolphin
  Lagenorhynchus cruciger (Quoy and Gaimard, 1824) -- valid -- Hourglass Dolphin
  Lagenorhynchus obliquidens Gill, 1865 -- valid -- Delfín costado blanco, Pacific White-sided Dolphin
  Lagenorhynchus obscurus (Gray, 1828) -- valid -- Dusky Dolphin
  Lagenorhynchus obscurus fitzroyi (Waterhouse, 1838) -- valid -- Fitzroy's dolphin, South American Dusky Dolphin
  Lagenorhynchus obscurus obscurus (Gray, 1828) -- valid -- African dusky dolphin, South African Dusky Dolphin
  Lagidium Meyen, 1833 -- valid
  Lagidium peruanum Meyen, 1833 -- valid -- Northern Mountain Viscacha
  Lagidium viscacia (Molina, 1782) -- valid -- Southern Moutain Viscacha
  Lagidium wolffsohni (Thomas, 1907) -- valid -- Wolffsohn's Mountain Viscacha
  Lagomorpha Brandt, 1855 -- valid -- coelho, Hares, lagomorphs, Pikas, Rabbits, tapeti
  Lagorchestes Gould, 1841 -- valid -- hare wallabies
  Lagorchestes asomatus Finlayson, 1943 -- valid -- Lake Mackay Hare-wallaby
  Lagorchestes conspicillatus Gould, 1841 -- valid -- Spectacled Hare-wallaby
  Lagorchestes hirsutus Gould, 1844 -- valid -- Rufous Hare-wallaby
  Lagorchestes leporides (Gould, 1840) -- valid -- Eastern Hare-wallaby
  Lagostomus Brookes, 1828 -- valid
  Lagostomus maximus (Desmarest, 1817) -- valid -- Argentine Plains Viscacha
  Lagostrophus Thomas, 1886 -- valid -- banded hare wallaby, munning
  Lagostrophus fasciatus (Peron and Lesueur, 1807) -- valid -- banded hare wallaby, Banded Hare-wallaby, munning
  Lagothrix É. Geoffroy Saint-Hilaire in Humboldt, 1812 -- valid
  Lagothrix flavicauda (Humboldt, 1812) -- valid -- Peruvian Yellow-tailed Woolly Monkey, yellow-tailed woolly monkey
  Lagothrix lagotricha (Humboldt, 1812) -- invalid -- Humboldt's woolly monkey
  Lagurus Gloger, 1841 -- valid -- Sagebrush Voles
  Lagurus curtatus (Cope, 1868) -- invalid -- Sagebrush Vole
  Lagurus lagurus (Pallas, 1773) -- valid -- Steppe Lemming, Steppe Vole
  Lama G. Cuvier, 1800 -- valid -- llamas
  Lama glama (Linnaeus, 1758) -- valid -- Guanaco, llama
  Lama guanicoe (Müller, 1776) -- invalid -- guanaco
  Lama pacos (Linnaeus, 1758) -- invalid -- alpaca
  Lamottemys F. Petter, 1986 -- valid
  Lamottemys okuensis F. Petter, 1986 -- valid -- Mount Oku Lamottemys
  Lampronycteris brachyotis (Dobson, 1879) -- valid -- Orange-throated Bat, yellow-throated big-eared bat
  Lariscus Thomas and Wroughton, 1909 -- valid -- Striped Ground Squirrels
  Lariscus hosei (Thomas, 1892) -- valid -- Four-striped Ground Squirrel
  Lariscus insignis (F. Cuvier, 1821) -- valid -- Three-striped Ground Squirrel
  Lariscus niobe (Thomas, 1898) -- valid -- Niobe Ground Squirrel
  Lariscus obscurus (Miller, 1903) -- valid -- Mentawai Three-striped Squirrel
  Lasionycteris Peters, 1866 -- valid -- silver-haired bats
  Lasionycteris noctivagans (Le Conte, 1831) -- valid -- chauve-souris argentée, Murciélago pelo plateado, silver-haired bat, Silver-haired Bat
  Lasiopodomys Lataste, 1887 -- valid
  Lasiopodomys brandtii (Radde, 1861) -- valid -- Brandt's Vole
  Lasiopodomys fuscus (Büchner, 1889) -- invalid -- Plateau Vole, Smokey Vole
  Lasiopodomys mandarinus (Milne-Edwards, 1871) -- valid -- Mandarin Vole
  Lasiorhinus Gray, 1863 -- valid -- hairy-nosed wombats, soft-furred wombats
  Lasiorhinus krefftii (Owen, 1873) -- valid -- Northern Hairy-nosed Wombat
  Lasiorhinus latifrons (Owen, 1845) -- valid -- Southern Hairy-nosed Wombat
  Lasiurus Gray, 1831 -- valid -- hairy-tailed bats
  Lasiurus blossevillii (Lesson and Garnot, 1826) -- valid -- Murciélago-cola peluda de Blossevilli, Red Bat, Western Red Bat, western red bat
  Lasiurus borealis (Müller, 1776) -- valid -- chauve-souris rousse, eastern red bat, Eastern Red Bat, Murciélago-cola peluda rojizo, red bat
  Lasiurus castaneus Handley, 1960 -- valid -- Tacarcuna bat, Tacarcunan Bat
  Lasiurus cinereus (Palisot de Beauvois, 1796) -- valid -- chauve-souris cendrée, Hoary Bat, hoary bat, Murciélago-cola peluda canoso
  Lasiurus cinereus cinereus (Palisot de Beauvois, 1796) -- valid
  Lasiurus cinereus semotus (H. Allen, 1890) -- valid -- Hawaiian hoary bat, Hawaiian Hoary bat
  Lasiurus ega (Gervais, 1856) -- valid -- Murciélago-cola peluda amarillo, Southern Yellow Bat, southern yellow bat
  Lasiurus egregius (Peters, 1870) -- valid -- big red bat, Big Red Bat
  Lasiurus intermedius H. Allen, 1862 -- valid -- Murciélago-cola peluda norteño, Northern Yellow Bat, northern yellow bat
  Lasiurus minor Miller, 1931 -- valid -- little red bat, Minor Red Bat
  Lasiurus seminolus (Rhoads, 1895) -- valid -- Seminole bat, Seminole Bat
  Lasiurus xanthinus (Thomas, 1897) -- valid -- Murciélago-cola peluda de La Laguna, western yellow bat, Western Yellow Bat
  Latax lutris nereis Merriam, 1904 -- invalid
  Latidens Thonglongya, 1972 -- valid
  Latidens salimalii Thonglongya, 1972 -- valid -- Salim Ali's fruit bat, Salim Ali's Fruit Bat
  Lavia Gray, 1838 -- valid
  Lavia frons (E. Geoffroy, 1810) -- valid -- yellow-winged bat, Yellow-winged Bat
  Leggadina Thomas, 1910 -- valid -- Australian Native Mice
  Leggadina forresti (Thomas, 1906) -- valid -- Forrest's Leggadina
  Leggadina lakedownensis Watts, 1976 -- valid -- Lakeland Downs Leggadina
  Leimacomys Matschie, 1893 -- valid
  Leimacomys buettneri Matschie, 1893 -- valid -- Büttner's African Forest Mouse, Groove-toothed Forest Mouse
  Leithiinae Lydekker, 1896 -- valid
  Lemmiscus Thomas, 1912 -- valid -- sagebrush voles
  Lemmiscus curtatus (Cope, 1868) -- valid -- Sagebrush Vole
  Lemmus Rochebrune, 1843 -- invalid -- brown lemmings
  Lemmus amurensis Vinogradov, 1924 -- valid -- Amur Brown Lemming, Amur lemming
  Lemmus lemmus (Linnaeus, 1758) -- valid -- Norway Lemming
  Lemmus nigripes (True, 1894) -- invalid
  Lemmus sibiricus (Kerr, 1792) -- valid -- Black-footed Lemming, Brown Lemming, Siberian Brown Lemming, Siberian Lemming
  Lemmus trimucronatus (Richardson, 1825) -- valid -- Nearctic Brown Lemming
  Lemniscomys Trouessart, 1881 -- valid -- Striped Grass Mice
  Lemniscomys barbarus (Linnaeus, 1767) -- valid -- Barbary Lemniscomys
  Lemniscomys bellieri Van der Straeten, 1975 -- valid -- Bellier's Lemniscomys
  Lemniscomys griselda (Thomas, 1904) -- valid -- Griselda's Lemniscomys
  Lemniscomys hoogstraali Dieterlen, 1991 -- valid -- Hoogstraal's Lemniscomys
  Lemniscomys linulus (Thomas, 1910) -- valid -- Senegal Lemniscomys
  Lemniscomys macculus (Thomas and Wroughton, 1910) -- valid -- Buffoon Lemniscomys
  Lemniscomys mittendorfi Eisentraut, 1968 -- valid -- Mittendorf's Lemniscomys
  Lemniscomys rosalia (Thomas, 1904) -- valid -- Single-Striped Lemniscomys
  Lemniscomys roseveari Van der Straeten, 1980 -- valid -- Rosevear's Lemniscomys
  Lemniscomys striatus (Linnaeus, 1758) -- valid -- Typical Lemniscomys
  Lemur Linnaeus, 1758 -- valid
  Lemur catta Linnaeus, 1758 -- valid -- Ring-tailed Lemur
  Lemuridae Gray, 1821 -- valid -- bamboo lemurs, ruffed lemurs, true lemurs
  Lenomys Thomas, 1898 -- valid
  Lenomys meyeri (Jentink, 1879) -- valid -- Meyer's Lenomys
  Lenothrix Miller, 1903 -- valid
  Lenothrix canus Miller, 1903 -- valid -- Sundaic Lenothrix
  Lenoxus Thomas, 1909 -- valid
  Lenoxus apicalis (J. A. Allen, 1900) -- valid -- Andean rat, White-tailed Akodont
  Leontopithecus Lesson, 1840 -- valid
  Leontopithecus caissara Lorini and Persson, 1990 -- valid -- Black-faced Lion Tamarin, Superagui Lion Tamarin
  Leontopithecus chrysomelas (Kuhl, 1820) -- valid -- Golden-headed Lion Tamarin
  Leontopithecus chrysopygus (Mikan, 1823) -- valid -- Black Lion Tamarin, golden-rumped lion tamarin
  Leontopithecus rosalia (Linnaeus, 1766) -- valid -- Golden Lion Tamarin
  Leopardus Gray, 1842 -- valid -- American spotted cats
  Leopardus griseus Gray, 1842 -- invalid
  Leopardus pardalis (Linnaeus, 1758) -- valid -- Ocelot, Ocelote
  Leopardus pardalis pardalis (Linnaeus, 1758) -- valid
  Leopardus tigrinus (Schreber, 1775) -- valid -- little spotted cat, Oncilla, tiger cat
  Leopardus wiedii (Schinz, 1821) -- valid -- Margay, Margay
  Leopardus wiedii yucatanica (Nelson and Goldman, 1931) -- invalid
  Leopoldamys Ellerman, 1947 -- valid -- Long-tailed Giant Rats
  Leopoldamys edwardsi (Thomas, 1882) -- valid -- Edward's Leopoldamys, Edward's Rat
  Leopoldamys neilli (J. T. Marshall Jr., 1976) -- valid -- Neill's Leopoldamys
  Leopoldamys sabanus (Thomas, 1887) -- valid -- Indomalayan Leopoldamys, Noisy Rat
  Leopoldamys siporanus (Thomas, 1895) -- valid -- Mentawai Archipelago Leopoldamys
  Lepilemur I. Geoffroy Saint-Hilaire, 1851 -- valid
  Lepilemur dorsalis Gray, 1870 -- valid -- Black-striped Sportive Lemur, Gray's Sportive Lemur, gray-backed sportive lemur
  Lepilemur edwardsi (Forsyth Major in Forbes, 1894) -- valid -- Milne-Edwards' Sportive Lemur, Milne-Edwards's Sportive lemur
  Lepilemur leucopus (Forsyth Major in Forbes, 1894) -- valid -- White-footed Sportive Lemur
  Lepilemur microdon (Forsyth Major in Forbes, 1894) -- valid -- Small-toothed Sportive Lemur
  Lepilemur mustelinus I. Geoffroy Saint-Hilaire, 1851 -- valid -- Weasel Lemur, Weasel Sportive Lemur
  Lepilemur ruficaudatus Grandidier, 1867 -- valid -- Red-tailed Sportive Lemur
  Lepilemur septentrionalis Rumpler and Albignac, 1975 -- valid -- Northern Sportive Lemur, Sahafary Sportive Lemur
  Leporidae Fischer, 1817 -- valid -- Hares, Rabbits
  Leporillus Thomas, 1906 -- valid -- Australian Stick-nest Rats
  Leporillus apicalis (Gould, 1853) -- valid -- Lesser Stick-nest Rat
  Leporillus conditor (Sturt, 1848) -- valid -- Greater Stick-nest Rat
  Leptailurus Severtzov, 1858 -- valid
  Leptailurus serval (Schreber, 1776) -- valid -- Serval
  Leptailurus serval constantina (Forster, 1780) -- invalid -- Barbary serval
  Leptailurus serval serval (Schreber, 1776) -- valid
  Leptomys Thomas, 1897 -- valid -- New Guinean Water Rats
  Leptomys elegans Thomas, 1897 -- valid -- Elegant Leptomys
  Leptomys ernstmayri Rümmler, 1932 -- valid -- Ernst Mayr's Leptomys
  Leptomys signatus Tate and Archbold, 1938 -- valid -- Fly River Leptomys
  Leptonychotes Gill, 1872 -- valid
  Leptonychotes weddellii (Lesson, 1826) -- valid -- Weddell Seal
  Leptonycteris Lydekker, 1891 -- valid -- Mexican long-nosed bats
  Leptonycteris curasoae Miller, 1900 -- valid -- Curaçaoan Long-nosed Bat, Murciélago-hocicudo de Curazao, southern long-nosed bat
  Leptonycteris curasoae yerbabuenae Martínez and Villa-R., 1940 -- invalid -- lesser long-nosed bat
  Leptonycteris nivalis (Saussure, 1860) -- valid -- big long-nosed bat, Mexican Long-nosed Bat, Mexican long-nosed bat, Murciélago-hocicudo mayor
  Leptonycteris nivalis yerbabuenae Martínez and Villa-R., 1940 -- invalid
  Leptonycteris sanborni Hoffmeister, 1957 -- invalid -- Sanborn's long-nosed bat
  Leptonycteris yerbabuenae Martínez and Villa-R., 1940 -- valid -- lesser long-nosed bat, Lesser Long-nosed Bat, Mexican long-nosed bat
  Lepus Linnaeus, 1758 -- valid -- Hares, Jack Rabbits, Jackrabbits
  Lepus alleni Mearns, 1890 -- valid -- Allen's Jackrabbit, Antelope Jack Rabbit, Antelope Jackrabbit, libre appaloosa, Liebre antilope, liebre blanca, liebre torda, White-sided Jackrabbit
  Lepus americanus Erxleben, 1777 -- valid -- lièvre d'Amérique, Snowshoe Hare, Varying Hare
  Lepus arcticus Ross, 1819 -- valid -- Arctic Hare, lièvre arctique
  Lepus arcticus labradorius Miller, 1899 -- valid
  Lepus brachyurus Temminck, 1844 -- valid -- Japanese Hare
  Lepus californicus Gray, 1837 -- valid -- Black-tailed Jack Rabbit, Black-tailed Jackrabbit, California Jackrabbit, Gray-sided Jackrabbit, Great Plains Jackrabbit, Jackass-hare, Liebre cola negra, Narrow-gauge Mule, Texan Hare, Texas Jack
  Lepus callotis Wagler, 1830 -- valid -- Antelope Rabbit, Beautiful-eared jack rabbit, Gaillard jack rabbit, Gaillard's Jackrabbit, Liebra pinta, Liebre torda, snow sides, Snowsides, White-sided Jack Rabbit, White-sided Jackrabbit
  Lepus capensis Linnaeus, 1758 -- valid -- Arabian Hare, Brown Hare, Cape Hare, Desert Hare
  Lepus castroviejoi Palacios, 1977 -- valid -- Broom Hare
  Lepus comus Allen, 1927 -- valid -- Yunnan Hare
  Lepus coreanus Thomas, 1892 -- valid -- Korean Hare
  Lepus corsicanus de Winton, 1898 -- valid -- Corsican Hare
  Lepus europaeus Pallas, 1778 -- valid -- Brown Hare, Common Hare, European Hare
  Lepus fagani Thomas, 1903 -- valid -- Ethiopian Hare
  Lepus flavigularis Wagner, 1844 -- valid -- Liebre de Tehuantepec, Liebre tropical, Tehuantepec hare, Tehuantepec jack rabbit, Tehuantepec Jackrabbit, Tropical Hare
  Lepus gaillardi Mearns, 1896 -- invalid
  Lepus granatensis Rosenhauer, 1856 -- valid -- Granada Hare, Iberian Hare, Liebre Ibérica
  Lepus hainanus Swinhoe, 1870 -- valid -- Hainan Hare
  Lepus idahoensis Merriam, 1891 -- invalid
  Lepus insularis W. Bryant, 1891 -- valid -- Black Jackrabbit, Espiritu Santo Jackrabbit, Liebre de Espíritu Santo, Liebre negra, Liebre prieta
  Lepus mandshuricus Radde, 1861 -- valid -- Manchurian Hare
  Lepus nigricollis F. Cuvier, 1823 -- valid -- Black-napped Hare, Indian Hare
  Lepus oiostolus Hodgson, 1840 -- valid -- Gray-tailed Hare, Highland Hare, Woolly Hare
  Lepus othus Merriam, 1900 -- valid -- Alaska Arctic Hare, Alaska Tundra Hare, Alaskan Hare, Beringian hare, Northern Hare, St. Michael's Hare, Swift Hare, Tundra Hare, Tunrda Polar Hare
  Lepus paludicola Miller and Bangs, 1894 -- invalid
  Lepus palustris Bachman, 1837 -- invalid
  Lepus peguensis Blyth, 1855 -- valid -- Burmese Hare, Siamese Hare
  Lepus saxatilis F. Cuvier, 1823 -- valid -- Cape Scrub Hare, Scrub Hare
  Lepus sinensis Gray, 1832 -- valid -- Chinese Hare
  Lepus starcki Petter, 1963 -- valid -- Ethiopian Highland Hare
  Lepus timidus Linnaeus, 1758 -- valid -- Mountain Hare, Varying Hare
  Lepus tolai Pallas, 1778 -- valid -- Tolai Hare
  Lepus townsendii Bachman, 1839 -- valid -- White-tailed Jack Rabbit, White-tailed Jackrabbit
  Lepus victoriae Thomas, 1893 -- valid -- African Savanna Hare
  Lepus yarkandensis Günther, 1875 -- valid -- Yarkand Hare
  Lestodelphys Tate, 1934 -- valid -- Patagonian opposum
  Lestodelphys halli (Thomas, 1921) -- valid -- Patagonian Opossum
  Lestoros Oehser, 1934 -- valid
  Lestoros inca (Thomas, 1917) -- valid -- Incan Caenolestid
  Liberiictis Hayman, 1958 -- valid
  Liberiictis kuhni Hayman, 1958 -- valid -- Liberian Mongoose
  Lichonycteris Thomas, 1895 -- valid
  Lichonycteris obscura Thomas, 1895 -- valid -- dark long-tongued bat, Dark Long-tongued Bat
  Limnogale Major, 1896 -- valid
  Limnogale mergulus Major, 1896 -- valid -- aquatic tenrec, Web-footed Tenrec
  Limnomys Mearns, 1905 -- valid
  Limnomys sibuanus Mearns, 1905 -- valid -- White-bellied Limnomys
  Liomys Merriam, 1902 -- valid -- Spiny Pocket Mice
  Liomys adspersus (Peters, 1874) -- valid -- Panamanian Spiny Pocket Mouse, Peters' Spiny Pocket Mouse
  Liomys irroratus (Gray, 1868) -- valid -- Mexican Spiny Pocket Mouse, Ratón-espinoso mexicano
  Liomys pictus (Thomas, 1893) -- valid -- Painted Spiny Pocket Mouse
  Liomys salvini (Thomas, 1893) -- valid -- Salvin's Spiny Pocket Mouse
  Liomys spectabilis Genoways, 1971 -- valid -- Jaliscan Spiny Pocket Mouse
  Lionycteris Thomas, 1913 -- valid
  Lionycteris spurrelli Thomas, 1913 -- valid -- chestnut long-tongued bat, Chestnut Long-tongued Bat
  Lipotes Miller, 1918 -- valid
  Lipotes vexillifer Miller, 1918 -- valid -- baiji, Baiji, Chinese river dolphin, White-flag Dolphin, Yangtze River Dolphin
  Lipotidae Zhou, Qian and Li, 1978 -- valid
  Lissodelphis Gloger, 1841 -- valid -- right whale dolphins, right-whale dolphins
  Lissodelphis borealis (Peale, 1848) -- valid -- Delfín-ballena norteño, Northern Right Whale Dolphin
  Lissodelphis peronii (Lacépède, 1804) -- valid -- Southern Right Whale Dolphin
  Litocranius Kohl, 1886 -- valid
  Litocranius walleri (Brooke, 1879) -- valid -- gerenuk, Gerenuk
  Lobodon Gray, 1844 -- valid
  Lobodon carcinophagus (Hombron and Jacquinot, 1842) -- invalid -- crabeater seal
  Lonchophylla Thomas, 1903 -- valid
  Lonchophylla bokermanni Sazima, Vizotto and Taddei, 1978 -- valid -- Bokermann's Nectar Bat
  Lonchophylla dekeyseri Taddei, Vizotto and Sazima, 1983 -- valid -- Dekeyser's Nectar Bat
  Lonchophylla handleyi Hill, 1980 -- valid -- Handley's Nectar Bat
  Lonchophylla hesperia G. M. Allen, 1908 -- valid -- Western Nectar Bat
  Lonchophylla mordax Thomas, 1903 -- valid -- Goldman's Nectar Bat
  Lonchophylla robusta Miller, 1912 -- valid -- Orange Nectar Bat
  Lonchophylla thomasi J. A. Allen, 1904 -- invalid -- Thomas's Nectar Bat
  Lonchophyllinae Griffiths, 1982 -- valid
  Lonchorhina Tomes, 1863 -- valid
  Lonchorhina aurita Tomes, 1863 -- valid -- Common Sword-nosed Bat, Tomes's sword-nosed bat
  Lonchorhina fernandezi Ochoa and Ibáñez, 1982 -- valid -- Fernandez's sword-nosed bat, Fernandez's Sword-nosed Bat
  Lonchorhina marinkellei Hernández-Camacho and Cadena-G., 1978 -- valid -- Marinkelle's sword-nosed bat, Marinkelle's Sword-nosed Bat
  Lonchorhina orinocensis Linares and Ojasti, 1971 -- valid -- Orinoco sword-nosed bat, Orinocoan Sword-nosed Bat
  Lonchothrix Thomas, 1920 -- valid
  Lonchothrix emiliae Thomas, 1920 -- valid -- Tuft-tailed Spiny Tree Rat
  Lontra Gray, 1843 -- valid -- river otters
  Lontra canadensis (Schreber, 1777) -- valid -- common otter, loutre de Canada, loutre de rivière, North American River Otter, northern river otter, nutria del Canada, nutria norteamericana, Nutria-de río norteamericana, river otter
  Lontra felina (Molina, 1782) -- valid -- chungungo, Marine Otter
  Lontra longicaudis (Olfers, 1818) -- valid -- Amazonian river otter, long-tailed otter, Neotropical Otter, neotropical river otter
  Lontra provocax (Thomas, 1908) -- valid -- large river otter, river wolf, Southern River Otter
  Lophiomyinae Milne-Edwards, 1867 -- valid
  Lophiomys Milne-Edwards, 1867 -- valid
  Lophiomys imhausi Milne-Edwards, 1867 -- valid -- Crested Rat, Maned Rat
  Lophocebus Palmer, 1903 -- valid -- crested mangabeys
  Lophocebus albigena (Gray, 1850) -- valid -- Gray-cheeked Mangabey
  Lophuromys Peters, 1874 -- valid -- Brush-furred Rats
  Lophuromys cinereus Dieterlen and Gelmroth, 1974 -- invalid
  Lophuromys flavopunctatus Thomas, 1888 -- valid -- Ethiopian Buff-spotted Brush-furred Rat
  Lophuromys luteogaster Hatt, 1934 -- valid -- Buff-bellied Brush-furred Rat
  Lophuromys medicaudatus Dieterlen, 1975 -- valid -- Western Rift Brush-furred Rat
  Lophuromys melanonyx F. Petter, 1972 -- valid -- Black-clawed Brush-furred Rat
  Lophuromys nudicaudus Heller, 1911 -- valid -- Fire-bellied Brush-furred Rat
  Lophuromys rahmi Verheyen, 1964 -- valid -- Rahm's Brush-furred Rat
  Lophuromys sikapusi (Temminck, 1853) -- valid -- Rusty-bellied Brush-furred Rat
  Lophuromys woosnami Thomas, 1906 -- valid -- Woosnam's Brush-furred Rat
  Lorentzimys Jentink, 1911 -- valid
  Lorentzimys nouhuysi Jentink, 1911 -- valid -- Long-footed Tree Mouse
  Loridae Gray, 1821 -- invalid
  Loris É. Geoffroy Saint-Hilaire, 1796 -- valid -- slender lorises
  Loris tardigradus (Linnaeus, 1758) -- valid -- Red Slender Loris, slender Loris
  Loxodonta Anonymous, 1827 -- valid -- African Elephants
  Loxodonta africana (Blumenbach, 1797) -- valid -- African Bush Elephant, African elephant, African savannah elephant
  Lutra Brünnich, 1771 -- invalid -- river otters
  Lutra canadensis (Schreber, 1777) -- invalid -- river otter
  Lutra gracilis Bechstein, 1800 -- invalid
  Lutra lutra (Linnaeus, 1758) -- valid -- Common Otter, Eurasian Otter, European Otter
  Lutra maculicollis Lichtenstein, 1835 -- invalid -- spotted-necked otter
  Lutra stelleri Lesson, 1827 -- invalid
  Lutra sumatrana (Gray, 1865) -- valid -- Hairy-nosed Otter
  Lutreolina Thomas, 1910 -- valid -- thick-tailed opossum
  Lutreolina crassicaudata (Desmarest, 1804) -- valid -- Lutrine Opossum
  Lutrinae Bonaparte, 1838 -- valid -- otters
  Lutrogale Gray, 1865 -- valid
  Lutrogale perspicillata (I. Geoffroy Saint-Hilaire, 1826) -- valid -- sea otter, Smooth-coated Otter
  Lycaon Brookes, 1827 -- valid
  Lycaon pictus (Temminck, 1820) -- valid -- African hunting dog, African Wild Dog, Painted Hunting Dog
  Lyncodon Gervais, 1845 -- valid
  Lyncodon patagonicus (de Blainville, 1842) -- valid -- Patagonian Weasel
  Lynx Kerr, 1792 -- valid -- bobcats, lynxes
  Lynx canadensis Kerr, 1792 -- valid -- Canada lynx, Canadian Lynx, lynx, lynx du Canada
  Lynx caracal (Schreber, 1776) -- invalid
  Lynx lynx (Linnaeus, 1758) -- valid -- Eurasian Lynx
  Lynx pardinus (Temminck, 1827) -- valid -- Iberian Lynx, Spanish lynx
  Lynx rufus (Schreber, 1777) -- valid -- Bobcat, Lince americano, lynx roux
  Macaca Lacépède, 1799 -- valid -- macaques
  Macaca arctoides (I. Geoffroy Saint-Hilaire, 1831) -- valid -- Stump-tailed Macaque
  Macaca assamensis (McClelland, 1840) -- valid -- Assam Macaque, Assamese Macaque
  Macaca cyclopis (Swinhoe, 1863) -- valid -- Formosan Rock Macaque, Taiwan macaque, Taiwanese Macaque
  Macaca fascicularis (Raffles, 1821) -- valid -- Crab-eating Macaque, Long-tailed Macaque
  Macaca fuscata (Blyth, 1875) -- valid -- Japanese Macaque
  Macaca maura (Schinz, 1825) -- valid -- Moor Macaque
  Macaca mulatta (Zimmermann, 1780) -- valid -- Rhesus Macaque, Rhesus Monkey
  Macaca nemestrina (Linnaeus, 1766) -- valid -- pigtail macaque, Southern Pig-tailed Macaque, Sunda Pig-tailed Macaque
  Macaca nigra (Desmarest, 1822) -- valid -- Celebes Crested Macaque, Crested Macaque
  Macaca ochreata (Ogilby, 1841) -- valid -- Booted Macaque
  Macaca radiata (É. Geoffroy Saint-Hilaire, 1812) -- valid -- Bonnet Macaque
  Macaca silenus (Linnaeus, 1758) -- valid -- Lion-tailed Macaque, liontail macaque
  Macaca sinica (Linnaeus, 1771) -- valid -- Toque Macaque
  Macaca sylvanus (Linnaeus, 1758) -- valid -- Barbary Macaque
  Macaca thibetana (A. Milne-Edwards, 1870) -- valid -- Milne-Edwards's Macaque, Père David's macaque, Tibetan Macaque
  Macaca tonkeana (Meyer, 1899) -- valid -- Tonkean Macaque
  Macroderma Miller, 1906 -- valid
  Macroderma gigas (Dobson, 1880) -- valid -- Australian false vampire bat, Australian False Vampire Bat
  Macrogalidia Schwarz, 1910 -- valid
  Macrogalidia musschenbroekii (Schlegel, 1877) -- valid -- Sulawesi Palm Civet
  Macroglossinae Gray, 1866 -- valid
  Macroglossus F. Cuvier, 1824 -- valid
  Macroglossus minimus (E. Geoffroy, 1810) -- valid -- Dagger-toothed Long-nosed Fruit Bat, lesser long-tongued fruit bat
  Macroglossus sobrinus K. Andersen, 1911 -- valid -- Greater Long-nosed Fruit Bat, greater long-tongued fruit bat
  Macrophyllum Gray, 1838 -- valid
  Macrophyllum macrophyllum (Schinz, 1821) -- valid -- long-legged bat, Long-legged Bat
  Macropodidae Gray, 1821 -- valid -- kangaroos, wallabies
  Macropus Shaw, 1790 -- valid
  Macropus agilis (Gould, 1841) -- valid -- Agile Wallaby
  Macropus antilopinus (Gould, 1841) -- valid -- Antilopine Kangaroo, antilopine wallaroo
  Macropus bernardus W. Rothschild, 1904 -- valid -- black wallaroo, Woodward's Wallaroo
  Macropus dorsalis (Gray, 1837) -- valid -- Black-striped Wallaby
  Macropus eugenii (Desmarest, 1817) -- valid -- Tammar Wallaby
  Macropus fuliginosus (Desmarest, 1817) -- valid -- Western Grey Kangaroo
  Macropus giganteus Shaw, 1790 -- valid -- Eastern Grey Kangaroo
  Macropus greyi Waterhouse, 1846 -- valid -- Toolache Wallaby, tooloche wallaby
  Macropus irma (Jourdan, 1837) -- valid -- Western Brush Wallaby
  Macropus parma Waterhouse, 1846 -- valid -- Parma Wallaby
  Macropus parryi Bennett, 1834 -- valid -- Pretty-faced Wallaby, whiptail wallaby
  Macropus robustus Gould, 1840 -- valid -- euro, Wallaroo
  Macropus rufogriseus (Desmarest, 1817) -- valid -- Red-necked Wallaby
  Macropus rufus (Desmarest, 1822) -- valid -- Red Kangaroo
  Macroscelidea Butler, 1956 -- valid -- Elephant Shrews
  Macroscelides A. Smith, 1829 -- valid
  Macroscelides proboscideus (Shaw, 1800) -- valid -- Short-eared Elephant Shrew
  Macroscelididae Bonaparte, 1838 -- valid
  Macrotarsomys Milne-Edwards and G. Grandidier, 1898 -- valid -- Big-footed Mice
  Macrotarsomys bastardi Milne-Edwards and G. Grandidier, 1898 -- valid -- Bastard big-footed mouse, Lesser Big-footed Mouse
  Macrotarsomys ingens F. Petter, 1959 -- valid -- Greater Big-footed Mouse
  Macrotis Reid, 1837 -- valid -- bilbies, rabbit-eared bandicoots
  Macrotis lagotis (Reid, 1837) -- valid -- Greater Bilby
  Macrotis leucura (Thomas, 1887) -- valid -- Lesser Bilby
  Macrotus Gray, 1843 -- valid -- leaf-nosed bats
  Macrotus californicus Baird, 1858 -- valid -- California leaf-nosed bat, Californian Leaf-nosed Bat, Murciélago-orejón californiano
  Macrotus waterhousii Gray, 1843 -- valid -- Murciélago-orejón mexicano, Waterhouse's leaf-nosed bat, Waterhouse's Leaf-nosed Bat
  Macruromys Stein, 1933 -- valid -- New Guinean Rats
  Macruromys elegans Stein, 1933 -- valid -- Lesser Macruromys
  Macruromys major Rümmler, 1935 -- valid -- Greater Macruromys
  Madoqua Ogilby, 1837 -- valid -- dik-diks
  Madoqua guentheri Thomas, 1894 -- valid -- Günther's dik-dik, Günther's Dikdik
  Madoqua kirkii (Günther, 1880) -- valid -- Kirk's dik-dik, Kirk's Dikdik
  Madoqua piacentinii Drake-Brockman, 1911 -- valid -- Piacentini's Dikdik, silver dik-dik
  Madoqua saltiana (Desmarest, 1816) -- invalid -- Salt's dik-dik, Salt's Dikdik
  Makalata Husson, 1978 -- valid
  Makalata armata (I. Geoffroy Saint-Hilaire, 1838) -- invalid
  Malacomys Milne-Edwards, 1877 -- valid -- African Swamp Rats
  Malacomys cansdalei Ansell, 1958 -- valid -- Cansdale's Malacomys
  Malacomys edwardsi Rochebrune, 1885 -- valid -- Edwards' Malacomys
  Malacomys longipes Milne-Edwards, 1877 -- valid -- Common Malacomys
  Malacomys lukolelae (Hatt, 1934) -- invalid
  Malacomys verschureni Verheyen and Van der Straeten, 1977 -- invalid
  Malacothrix Wagner, 1843 -- valid
  Malacothrix typica (A. Smith, 1834) -- valid -- Gerbil Mouse, Large-eared African Desert Mouse
  Mallomys Thomas, 1898 -- valid -- Woolly Rats
  Mallomys aroaensis (De Vis, 1907) -- valid -- De Vis's Mallomys
  Mallomys gunung Flannery, Aplin and Groves, 1989 -- valid -- Alpine Mallomys
  Mallomys istapantap Flannery, Aplin and Groves, 1989 -- valid -- Subalpine Mallomys
  Mallomys rothschildi Thomas, 1898 -- valid -- Rothschild's Mallomys
  Malpaisomys Hutterer, Lopez-Martinez and Michaux, 1988 -- valid
  Malpaisomys insularis Hutterer, Lopez-Martinez and Michaux, 1988 -- valid -- Lava Mouse
  Mammalia Linnaeus, 1758 -- valid -- mamífero, mammals, mammifères
  Mandrillus Ritgen, 1824 -- valid -- Drill, Mandrill
  Mandrillus leucophaeus (F. Cuvier, 1807) -- valid -- Drill
  Mandrillus sphinx (Linnaeus, 1758) -- valid -- Mandrill
  Manidae Gray, 1821 -- valid
  Manis Linnaeus, 1758 -- valid
  Manis crassicaudata Gray, 1827 -- invalid -- Indian Pangolin
  Manis gigantea Illiger, 1815 -- valid -- Giant Pangolin
  Manis javanica Desmarest, 1822 -- valid -- Sunda Pangolin
  Manis pentadactyla Linnaeus, 1758 -- valid -- Chinese Pangolin
  Manis temminckii Smuts, 1832 -- valid -- Cape pangolin, Ground Pangolin
  Manis tetradactyla Linnaeus, 1766 -- valid -- Long-tailed Pangolin
  Manis tricuspis Rafinesque, 1821 -- valid -- Tree Pangolin
  Margaretamys Musser, 1981 -- valid -- Margareta's Rats
  Margaretamys beccarii (Jentink, 1880) -- valid -- Spiny Lowland Margaretamys
  Margaretamys elegans Musser, 1981 -- valid -- Elegant Margaretamys
  Margaretamys parvus Musser, 1981 -- valid -- Lesser Margaretamys
  Margay glaucula nicaraguae J. A. Allen, 1919 -- invalid
  Marmosa Gray, 1821 -- valid -- mouse opossums
  Marmosa andersoni Pine, 1972 -- valid -- Heavy-browed Mouse Opossum
  Marmosa canescens (J. A. Allen, 1893) -- invalid -- Tlacuache-ratón gris
  Marmosa lepida (Thomas, 1888) -- valid -- Rufous Mouse Opossum
  Marmosa mexicana Merriam, 1897 -- valid -- Mexican Mouse Opossum, Tlacuache-ratón mexicano
  Marmosa murina (Linnaeus, 1758) -- valid -- Linnaeus's Mouse Opossum
  Marmosa robinsoni Bangs, 1898 -- valid -- Robinson's Mouse Opossum
  Marmosa rubra Tate, 1931 -- valid -- Red Mouse Opossum
  Marmosa tyleriana Tate, 1931 -- valid -- Tyleria Mouse Opossum
  Marmosa xerophila Handley and Gordon, 1979 -- valid -- Guajira Mouse Opossum
  Marmosops Matschie, 1916 -- valid
  Marmosops cracens (Handley and Gordon, 1979) -- valid -- Narrow-headed Slender Opossum
  Marmosops dorothea (Thomas, 1911) -- valid -- Dorothys' Slender Opossum
  Marmosops fuscatus (Thomas, 1896) -- valid -- Dusky Slender Opossum
  Marmosops handleyi (Pine, 1981) -- valid -- Handley's Slender Opossum
  Marmosops impavidus (Tschudi, 1845) -- valid -- Tschudi's Slender Opossum
  Marmosops incanus (Lund, 1840) -- valid -- Gray Slender Opossum
  Marmosops invictus (Goldman, 1912) -- valid -- Panama Slender Opossum
  Marmosops noctivagus (Tschudi, 1844) -- valid -- White-bellied Slender Opossum
  Marmosops parvidens (Tate, 1931) -- valid -- Delicate Slender Opossum
  Marmota Blumenbach, 1779 -- valid -- Marmots
  Marmota baibacina Kastschenko, 1899 -- valid -- Gray Marmot
  Marmota bobak (Müller, 1776) -- valid -- Bobak Marmot
  Marmota broweri Hall and Gilmore, 1934 -- valid -- Alaska Marmot
  Marmota caligata (Eschscholtz, 1829) -- valid -- Hoary Marmot
  Marmota caligata caligata (Eschscholtz, 1829) -- valid
  Marmota camtschatica (Pallas, 1811) -- valid -- Black-capped Marmot
  Marmota caudata (Geoffroy, 1844) -- valid -- Long-tailed Marmot
  Marmota flaviventris (Audubon and Bachman, 1841) -- valid -- Yellow-bellied Marmot
  Marmota himalayana (Hodgson, 1841) -- valid -- Himalayan Marmot
  Marmota marmota (Linnaeus, 1758) -- valid -- Alpine Marmot
  Marmota menzbieri (Kashkarov, 1925) -- valid -- Menzbier's Marmot
  Marmota monax (Linnaeus, 1758) -- valid -- Groundhog, marmotte commune, Woodchuck
  Marmota olympus (Merriam, 1898) -- valid -- Olympic Marmot
  Marmota sibirica (Radde, 1862) -- valid -- Tarbagan Marmot
  Marmota vancouverensis Swarth, 1911 -- valid -- Vancouver Island Marmot, Vancouver Marmot
  Marsupialia Illiger, 1811 -- invalid -- marsupials, marsupiaux
  Martes Pinel, 1792 -- valid -- martens
  Martes americana (Turton, 1806) -- valid -- American Marten, marten, martre d'Amérique
  Martes flavigula (Boddaert, 1785) -- valid -- Yellow-throated Marten
  Martes flavigula chrysospila Swinhoe, 1866 -- valid -- Formosan yellow-throated marten
  Martes flavigula flavigula (Boddaert, 1785) -- valid
  Martes foina (Erxleben, 1777) -- valid -- Beech Marten
  Martes gwatkinsii Horsfield, 1851 -- valid -- Nilgiri Marten
  Martes martes (Linnaeus, 1758) -- valid -- European Pine Marten
  Martes melampus (Wagner, 1840) -- valid -- Japanese Marten
  Martes pennanti (Erxleben, 1777) -- invalid -- Fisher, pékan
  Martes zibellina (Linnaeus, 1758) -- valid -- Sable
  Massoutiera Lataste, 1885 -- valid
  Massoutiera mzabi (Lataste, 1881) -- valid -- Mzab Gundi
  Mastomys Thomas, 1915 -- valid -- Multimammate Mice
  Mastomys angolensis (Bocage, 1890) -- invalid
  Mastomys coucha (A. Smith, 1834) -- valid -- Southern African Mastomys
  Mastomys erythroleucus (Temminck, 1853) -- valid -- Reddish-white Mastomys
  Mastomys hildebrandtii (Peters, 1878) -- invalid
  Mastomys natalensis (A. Smith, 1834) -- valid -- Coucha Rat, Multimammate Rat, Natal Mastomys
  Mastomys pernanus (Kershaw, 1921) -- valid -- Dwarf Mastomys
  Mastomys shortridgei (St. Leger, 1933) -- valid -- Shortridge's Mastomys
  Mastomys verheyeni Robbins and Van der Straeten, 1989 -- invalid
  Maxomys Sody, 1936 -- valid -- Oriental Spiny Rats
  Maxomys alticola (Thomas, 1888) -- valid -- Bornean Mountain Maxomys
  Maxomys baeodon (Thomas, 1894) -- valid -- Small Bornean Maxomys
  Maxomys bartelsii (Jentink, 1910) -- valid -- Bartels's Javan Maxomys
  Maxomys dollmani (Ellerman, 1941) -- valid -- Dollman's Sulawesi Maxomys
  Maxomys hellwaldii (Jentink, 1878) -- valid -- Hellwald's Sulawesi Maxomys
  Maxomys hylomyoides (Robinson and Kloss, 1916) -- valid -- Sumatran Mountain Maxomys
  Maxomys inas (Bonhote, 1906) -- valid -- Malayan Mountain Maxomys
  Maxomys inflatus (Robinson and Kloss, 1916) -- valid -- Broad-nosed Sumatran Maxomys
  Maxomys moi (Robinson and Kloss, 1922) -- valid -- Indochinese Mountain Maxomys
  Maxomys musschenbroekii (Jentink, 1879) -- valid -- Musschenbroek's Rat, Musschenbroek's Sulawesi Maxomys
  Maxomys ochraceiventer (Thomas, 1894) -- valid -- Ochraceous-bellied Bornean Maxomys
  Maxomys pagensis (Miller, 1903) -- valid -- Mentawai Archipelago Maxomys
  Maxomys panglima (Robinson, 1921) -- valid -- Palawan Maxomys
  Maxomys rajah (Thomas, 1894) -- valid -- Rajah Rat, Rajah Sundaic Maxomys
  Maxomys surifer (Miller, 1900) -- valid -- Indomalayan Maxomys
  Maxomys wattsi Musser, 1991 -- valid -- Watts's Sulawesi Maxomys
  Maxomys whiteheadi (Thomas, 1894) -- valid -- Whitehead's Sundaic Maxomys
  Mayermys Laurie and Hill, 1954 -- invalid
  Mayermys ellermani Laurie and Hill, 1954 -- invalid
  Mazama Rafinesque, 1817 -- valid -- brockets
  Mazama americana (Erxleben, 1777) -- valid -- red brocket, South American Red Brocket
  Mazama bricenii Thomas, 1908 -- valid -- Mérida Brocket, Merioa brocket
  Mazama chunyi Hershkovitz, 1959 -- valid -- dwarf brocket, Dwarf Brocket
  Mazama gouazoupira (G. Fischer, 1814) -- invalid -- gray brocket, South American Brown Brocket
  Mazama nana (Hensel, 1872) -- valid -- pygmy brocket, Southern Bororó
  Mazama rufina (Bourcier and Pucheran, 1852) -- valid -- Ecuador Red Brocket, little red brocket
  Megachiroptera Dobson, 1875 -- invalid
  Megadendromus Dieterlen and Rupp, 1978 -- valid
  Megadendromus nikolausi Dieterlen and Rupp, 1978 -- valid -- Nikolaus's African Climbing Mouse, Nikolaus's mouse
  Megaderma E. Geoffroy, 1810 -- valid
  Megaderma lyra E. Geoffroy, 1810 -- valid -- greater false vampire bat, Greater False Vampire Bat
  Megaderma spasma (Linnaeus, 1758) -- valid -- lesser false vampire bat, Lesser False Vampire Bat
  Megadermatidae H. Allen, 1864 -- valid
  Megadontomys Merriam, 1898 -- valid -- Giant Deer Mice
  Megadontomys cryophilus (Musser, 1964) -- valid -- Oaxaca giant deer mouse, Oaxacan Big-toothed Deermouse
  Megadontomys nelsoni (Merriam, 1898) -- valid -- Nelson's Big-toothed Deermouse, Nelson's giant deer mouse
  Megadontomys thomasi (Merriam, 1898) -- valid -- Thomas' Deer Mouse, Thomas's Big-toothed Deermouse, Thomas's giant deer mouse
  Megaerops Peters, 1865 -- valid
  Megaerops ecaudatus (Temminck, 1837) -- valid -- Temminck's tailless fruit bat, Temminck's Tailless Fruit Bat
  Megaerops kusnotoi Hill and Boeadi, 1978 -- valid -- Javan tailless fruit bat, Javan Tailless Fruit Bat
  Megaerops niphanae Yenbutra and Felten, 1983 -- valid -- Ratanaworabhan's fruit bat, Ratanaworabhan's Fruit Bat
  Megaerops wetmorei Taylor, 1934 -- valid -- white-collared fruit bat, White-collared Fruit Bat
  Megaladapidae Major, 1893 -- invalid
  Megaloglossus Pagenstecher, 1885 -- valid
  Megaloglossus woermanni Pagenstecher, 1885 -- valid -- Woermann's bat, Woermann's Long-tongued Fruit Bat
  Megalomys Trouessart, 1881 -- valid -- West Indian Giant Rice Rats
  Megalomys desmarestii (Fischer, 1829) -- valid -- Antillean Giant Rice Rat, Desmarest's Pilorie
  Megalomys luciae (Forsyth Major, 1901) -- valid -- Santa Lucia Giant Rice Rat, Santa Lucian Pilorie
  Megalonychidae Ameghino, 1889 -- valid -- Two-toed Sloths
  Megaptera Gray, 1846 -- valid -- humpback whales
  Megaptera nodosa (Bonnaterre, 1789) -- invalid
  Megaptera novaeangliae (Borowski, 1781) -- valid -- Ballena jorobada, Humpback Whale, rorqual à bosse
  Megasorex Hibbard, 1950 -- valid
  Megasorex gigas (Merriam, 1897) -- valid -- Mexican Shrew
  Melanomys Thomas, 1902 -- valid -- Dark Rice Rats
  Melanomys caliginosus (Tomes, 1860) -- valid -- Dusky Melanomys, Dusky Rice Rat
  Melanomys robustulus Thomas, 1914 -- valid -- Robust Dark Rice Rat, Robust Melanomys
  Melanomys zunigae (Sanborn, 1949) -- valid -- Zuniga's dark rice rat, Zuniga's Melanomys
  Melasmothrix Miller and Hollister, 1921 -- valid
  Melasmothrix naso Miller and Hollister, 1921 -- valid -- Diurnal Sulawesian Shrew Rat
  Meles Boddaert, 1785 -- invalid
  Meles meles (Linnaeus, 1758) -- valid -- European Badger
  Melinae Bonaparte, 1838 -- valid
  Mellivora Storr, 1780 -- valid
  Mellivora capensis (Schreber, 1776) -- valid -- Honey Badger, Ratel
  Mellivorinae Gray, 1865 -- valid
  Melogale I. Geoffroy Saint-Hilaire, 1831 -- valid
  Melogale everetti (Thomas, 1895) -- valid -- Bornean Ferret-badger, Everett's ferret-badger
  Melogale moschata (Gray, 1831) -- valid -- Chinese Ferret-badger
  Melogale orientalis (Horsfield, 1821) -- valid -- Javan Ferret-badger
  Melogale personata I. Geoffroy Saint-Hilaire, 1831 -- valid -- Burmese Ferret-badger
  Melomys Thomas, 1922 -- valid -- Mosaic-tailed Rats
  Melomys aerosus (Thomas, 1920) -- valid -- Dusky Seram Melomys
  Melomys bougainville Troughton, 1936 -- valid -- Bougainville Island Melomys
  Melomys burtoni (Ramsay, 1887) -- valid -- Grassland Melomys
  Melomys capensis Tate, 1951 -- valid -- Cape York Melomys
  Melomys cervinipes (Gould, 1852) -- valid -- Fawn-footed Melomys
  Melomys fellowsi Hinton, 1943 -- invalid
  Melomys fraterculus (Thomas, 1920) -- valid -- Manusela Melomys
  Melomys gracilis (Thomas, 1906) -- invalid
  Melomys lanosus Thomas, 1922 -- invalid
  Melomys leucogaster (Jentink, 1908) -- valid -- White-bellied Melomys
  Melomys levipes (Thomas, 1897) -- invalid
  Melomys lorentzii (Jentink, 1908) -- invalid
  Melomys mollis (Thomas, 1913) -- invalid
  Melomys moncktoni (Thomas, 1904) -- invalid
  Melomys obiensis (Thomas, 1911) -- valid -- Obi Island Melomys
  Melomys platyops (Thomas, 1906) -- invalid
  Melomys rattoides Thomas, 1922 -- invalid
  Melomys rubex Thomas, 1922 -- invalid
  Melomys rubicola Thomas, 1924 -- valid -- Bramble Cay Melomys
  Melomys rufescens (Alston, 1877) -- valid -- Black-tailed Melomys
  Melomys spechti Flannery and Wickler, 1990 -- valid -- Buka Island Melomys
  Melonycteris Dobson, 1877 -- valid
  Melonycteris aurantius Phillips, 1966 -- invalid -- orange fruit bat
  Melonycteris melanops Dobson, 1877 -- valid -- black-bellied fruit bat, Black-bellied Fruit Bat
  Melonycteris woodfordi (Thomas, 1887) -- valid -- Woodford's fruit bat, Woodford's Fruit Bat
  Melursus Meyer, 1793 -- valid
  Melursus ursinus (Shaw, 1791) -- valid -- Sloth Bear
  Menetes Thomas, 1908 -- valid
  Menetes berdmorei (Blyth, 1849) -- valid -- Indochinese Ground Squirrel
  Mephitidae Bonaparte, 1845 -- valid -- skunks
  Mephitinae Bonaparte, 1845 -- invalid
  Mephitis É. Geoffroy Saint-Hilaire and F. G. Cuvier, 1795 -- valid -- hooded skunks, striped skunks
  Mephitis macroura Lichtenstein, 1832 -- valid -- Hooded Skunk, Zorrillo-listado del sur
  Mephitis mephitis (Schreber, 1776) -- valid -- mouffette rayée, Striped Skunk, Zorrillo-listado del norte
  Meriones Illiger, 1811 -- valid -- Jirds
  Meriones arimalius Cheesman and Hinton, 1924 -- valid -- Arabian Jird
  Meriones chengi Wang, 1964 -- valid -- Cheng's Jird
  Meriones crassus Sundevall, 1842 -- valid -- Sundevall's Jird
  Meriones dahli Shidlovsky, 1962 -- valid -- Dahl's Jird
  Meriones hurrianae Jordon, 1867 -- valid -- Indian Desert Gerbil, Indian Desert Jird
  Meriones libycus Lichtenstein, 1823 -- valid -- Libyan Jird
  Meriones meridianus (Pallas, 1773) -- valid -- Little Chinese Jird, Mid-day Jird, Midday Gerbil, Midday Jird
  Meriones persicus (Blanford, 1875) -- valid -- Persian Jird
  Meriones rex Yerbury and Thomas, 1895 -- valid -- King Jird
  Meriones sacramenti Thomas, 1922 -- valid -- Buxton's Jird
  Meriones shawi (Duvernoy, 1842) -- valid -- Shaw's Jird
  Meriones tamariscinus (Pallas, 1773) -- valid -- Tamarisk Gerbil, Tamarisk Jird
  Meriones tristrami Thomas, 1892 -- valid -- Tristram's Jird
  Meriones unguiculatus (Milne-Edwards, 1867) -- valid -- Clawed Jird, Mongolian Jird
  Meriones vinogradovi Heptner, 1931 -- valid -- Vinogradov's Jird
  Meriones zarudnyi Heptner, 1937 -- valid -- Zarudny's Jird
  Mesechinus Ognev, 1951 -- valid
  Mesechinus dauuricus (Sundevall, 1842) -- valid -- Daurian Hedgehog
  Mesechinus hughi (Thomas, 1908) -- valid -- Hugh's Hedgehog
  Mesembriomys Palmer, 1906 -- valid -- Tree Rats
  Mesembriomys gouldii (Gray, 1843) -- valid -- Black-footed Mesembriomys
  Mesembriomys macrurus (Peters, 1876) -- valid -- Golden-backed Mesembriomys
  Mesocapromys Varona, 1970 -- valid
  Mesocapromys angelcabrerai (Varona, 1979) -- valid -- Cabrera's Hutia
  Mesocapromys auritus (Varona, 1970) -- valid -- Large-eared Hutia
  Mesocapromys nanus (G. M. Allen, 1917) -- valid -- Dwarf Hutia
  Mesocapromys sanfelipensis (Varona and Garrido, 1970) -- valid -- San Felipe Hutia
  Mesocricetus Nehring, 1898 -- valid -- Golden Hamsters
  Mesocricetus auratus (Waterhouse, 1839) -- valid -- Golden Hamster
  Mesocricetus brandti (Nehring, 1898) -- valid -- Brandt's Hamster
  Mesocricetus newtoni (Nehring, 1898) -- valid -- Romanian Hamster
  Mesocricetus raddei (Nehring, 1894) -- valid -- Ciscaucasian Hamster
  Mesomys Wagner, 1845 -- valid
  Mesomys didelphoides (Desmarest, 1817) -- invalid
  Mesomys hispidus (Desmarest, 1817) -- valid -- Ferreira's Spiny Tree-rat
  Mesomys leniceps Thomas, 1926 -- valid -- Woolly-headed Spiny Tree-rat
  Mesomys obscurus (Wagner, 1840) -- invalid
  Mesomys stimulax Thomas, 1911 -- valid -- Pará Spiny Tree-rat
  Mesophylla Thomas, 1901 -- valid
  Mesophylla macconnelli Thomas, 1901 -- valid -- MacConnell's bat, MacConnell's Bat
  Mesoplodon Gervais, 1850 -- valid -- beaked whales
  Mesoplodon bidens (Sowerby, 1804) -- valid -- North Atlantic beaked whale, Sowerby's Beaked Whale
  Mesoplodon bowdoini Andrews, 1908 -- valid -- Andrew's Beaked Whale
  Mesoplodon carlhubbsi Moore, 1963 -- valid -- arch-beaked whale, archbeaked whale, Ballena-picuda de Hubb, Hubbs' Beaked Whale, Hubbs's Beaked Whale
  Mesoplodon densirostris (Blainville, 1817) -- valid -- Ballena-picuda de Blainsville, Blainville's Beaked Whale, dense-beaked whale, densebeak whale
  Mesoplodon europaeus (Gervais, 1855) -- valid -- Antillean beaked whale, Gervais' Beaked Whale, Gervais's Beaked Whale
  Mesoplodon ginkgodens Nishiwaki and Kamiya, 1958 -- valid -- Ballena-picuda japonesa, Ginkgo-toothed Beaked Whale, ginkgo-toothed whale
  Mesoplodon grayi von Haast, 1876 -- valid -- Gray's Beaked Whale, Haast's beaked whale, scamper-down whale
  Mesoplodon hectori (Gray, 1871) -- valid -- Hector's Beaked Whale
  Mesoplodon layardii (Gray, 1865) -- valid -- Layard's beaked whale, strap-toothed beaked whale, Strap-toothed Whale
  Mesoplodon mirus True, 1913 -- valid -- True's Beaked Whale
  Mesoplodon pacificus Longman, 1926 -- invalid
  Mesoplodon peruvianus Reyes, Mead and Van Waerebeek, 1991 -- valid -- Ballena-picuda peruana, Peruvian beaked whale, Pygmy Beaked Whale
  Mesoplodon stejnegeri True, 1885 -- valid -- Bering Sea beaked whale, Stejneger's Beaked Whale
  Metachirus Burmeister, 1854 -- valid -- brown four-eyed opossum
  Metachirus nudicaudatus (É. Geoffroy Saint-Hilaire, 1803) -- valid -- Brown Four-eyed Opossum, Tlacuache-cuatrojos café
  Micoureus Lesson, 1842 -- valid
  Micoureus alstoni (J. A. Allen, 1900) -- valid -- Alston's Mouse Opossum
  Micoureus constantiae (Thomas, 1904) -- valid -- White-bellied Woolly Mouse Opossum
  Micoureus demerarae (Thomas, 1905) -- valid -- Woolly Mouse Opossum
  Micoureus regina (Thomas, 1898) -- valid -- Bare-tailed Woolly Mouse Opossum
  Microbiotheria Ameghino, 1889 -- valid
  Microbiotheriidae Ameghino, 1887 -- valid
  Microcavia H. Gervais and Ameghino, 1880 -- valid
  Microcavia australis (I. Geoffroy Saint-Hilaire and d'Orbigny, 1833) -- valid -- Southern Mountain Cavy
  Microcavia niata (Thomas, 1898) -- valid -- Andean Mountain Cavy
  Microcavia shiptoni (Thomas, 1925) -- valid -- Shipton's Mountain Cavy
  Microcebus É. Geoffroy Saint-Hilaire, 1834 -- valid -- mouse lemurs
  Microcebus coquereli (A. Grandidier, 1867) -- invalid
  Microcebus murinus (J. F. Miller, 1777) -- valid -- Gray Mouse Lemur
  Microcebus rufus (Lesson, 1840) -- valid -- brown mouse lemur, Eastern Rufous Mouse Lemur, Rufous Mouse Lemur
  Microchiroptera Dobson, 1875 -- invalid
  Microdillus Thomas, 1910 -- valid
  Microdillus peeli (de Winton, 1898) -- valid -- Somali Pygmy Gerbil
  Microdipodops Merriam, 1891 -- valid -- Kangaroo Mice
  Microdipodops megacephalus Merriam, 1891 -- valid -- Dark Kangaroo Mouse
  Microdipodops pallidus Merriam, 1901 -- valid -- Pale Kangaroo Mouse
  Microgale Thomas, 1882 -- valid
  Microgale brevicaudata G. Grandidier, 1899 -- valid -- Short-tailed Shrew Tenrec
  Microgale cowani Thomas, 1882 -- valid -- Cowan's Shrew Tenrec
  Microgale dobsoni Thomas, 1884 -- valid -- Dobson's Shrew Tenrec
  Microgale dryas Jenkins, 1992 -- valid -- Dryad Shrew Tenrec, tree shrew tenrec
  Microgale gracilis (Major, 1896) -- valid -- Gracile Shrew Tenrec
  Microgale longicaudata Thomas, 1882 -- valid -- Lesser Long-tailed Shrew Tenrec
  Microgale parvula G. Grandidier, 1934 -- valid -- Pygmy Shrew Tenrec
  Microgale principula Thomas, 1926 -- valid -- Greater Long-tailed Shrew Tenrec
  Microgale pulla Jenkins, 1988 -- invalid -- dark shrew tenrec
  Microgale pusilla Major, 1896 -- valid -- Least Shrew Tenrec
  Microgale talazaci Major, 1896 -- valid -- Talazac's Shrew Tenrec
  Microgale thomasi Major, 1896 -- valid -- Thomas's Shrew Tenrec
  Microhydromys Tate and Archbold, 1941 -- valid -- Lesser Shrew Mice
  Microhydromys musseri Flannery, 1989 -- invalid -- Torricelli Mountains Shrew Mouse
  Microhydromys richardsoni Tate and Archbold, 1941 -- valid -- northern groovetoothed moss-mouse, Richardson's Shrew Mouse
  Micromys Dehne, 1841 -- valid
  Micromys minutus (Pallas, 1771) -- valid -- Harvest Mouse
  Micronycteris Gray, 1866 -- valid
  Micronycteris behnii (Peters, 1865) -- invalid
  Micronycteris brachyotis (Dobson, 1879) -- invalid -- yellow-throated big-eared bat
  Micronycteris daviesi (Hill, 1964) -- invalid -- Davies's big-eared bat
  Micronycteris hirsuta (Peters, 1869) -- valid -- hairy big-eared bat, Hairy Big-eared Bat
  Micronycteris megalotis (Gray, 1842) -- valid -- little big-eared bat, Little Big-eared Bat
  Micronycteris minuta (Gervais, 1856) -- valid -- Tiny Big-eared Bat, white-bellied big-eared bat
  Micronycteris nicefori Sanborn, 1949 -- invalid -- Niceforo's big-eared bat
  Micronycteris pusilla Sanborn, 1949 -- invalid -- least big-eared bat
  Micronycteris schmidtorum Sanborn, 1935 -- valid -- Schmidt's Big-eared Bat, Schmidts's big-eared bat
  Micronycteris sylvestris (Thomas, 1896) -- invalid -- tri-colored big-eared bat
  Microperoryctes Stein, 1932 -- valid -- mouse bandicoots, New Guinean mouse bandicoot, striped bandicoots
  Microperoryctes longicauda (Peters and Doria, 1876) -- valid -- Striped Bandicoot
  Microperoryctes murina Stein, 1932 -- valid -- Mouse Bandicoot
  Microperoryctes papuensis (Laurie, 1952) -- valid -- Papuan Bandicoot
  Micropotamogale Heim de Balsac, 1954 -- valid
  Micropotamogale lamottei Heim de Balsac, 1954 -- valid -- Nimba Otter Shrew
  Micropotamogale ruwenzorii (de Witte and Frechkop, 1955) -- valid -- Ruwenzori Otter Shrew
  Micropteropus Matschie, 1899 -- valid
  Micropteropus intermedius Hayman, 1963 -- valid -- Hayman's dwarf epauletted fruit bat, Hayman's Lesser Epauletted Fruit Bat
  Micropteropus pusillus (Peters, 1868) -- valid -- Peters's dwarf epauletted fruit bat, Peters's Lesser Epauletted Fruit Bat
  Microryzomys Thomas, 1917 -- valid -- Small Rice Rats
  Microryzomys altissimus (Osgood, 1933) -- valid -- Highland Small Rice Rat, Páramo Colilargo
  Microryzomys minutus (Tomes, 1860) -- valid -- Forest Small Rice Rat, Montane Colilargo
  Microsciurus J. A. Allen, 1895 -- valid -- Dwarf Squirrels
  Microsciurus alfari (J. A. Allen, 1895) -- valid -- Central American Dwarf Squirrel
  Microsciurus flaviventer (Gray, 1867) -- valid -- Amazon Dwarf Squirrel
  Microsciurus mimulus (Thomas, 1898) -- valid -- Western Dwarf Squirrel
  Microsciurus santanderensis (Hernández-Camacho, 1957) -- valid -- Santander Dwarf Squirrel
  Microsorex Coues, 1877 -- invalid
  Microsorex hoyi (Baird, 1857) -- invalid
  Microtus Schrank, 1798 -- valid -- Meadow Mice, Meadow Voles
  Microtus abbreviatus Miller, 1899 -- valid -- Insular Vole, St. Matthews Island vole
  Microtus agrestis (Linnaeus, 1761) -- valid -- Field Vole
  Microtus arvalis (Pallas, 1779) -- valid -- Common Vole
  Microtus bavaricus Konig, 1962 -- valid -- Bavarian Pine Vole
  Microtus breweri (Baird, 1857) -- valid -- Beach Vole
  Microtus cabrerae Thomas, 1906 -- valid -- Cabrera's Vole
  Microtus californicus (Peale, 1848) -- valid -- Amargosa Vole, California Vole, Meteoro de California
  Microtus californicus scirpensis Bailey, 1900 -- invalid -- Amargosa vole
  Microtus canicaudus Miller, 1897 -- valid -- Gray-tailed Vole
  Microtus chrotorrhinus (Miller, 1894) -- valid -- campagnol des rochers, Rock Vole
  Microtus coronarius Swarth, 1911 -- invalid -- Coronation Island vole
  Microtus daghestanicus (Shidlovsky, 1919) -- valid -- Caucasus Pine Vole, Daghestan Pine Vole
  Microtus duodecimcostatus (Selys-Longchamps, 1839) -- valid -- Mediterranean Pine Vole
  Microtus evoronensis Kovalskaya and Sokolov, 1980 -- valid -- Evoron Vole, Evorsk vole
  Microtus felteni Malec and Storch, 1963 -- valid -- Balkan Pine Vole, Felten's vole
  Microtus fortis Büchner, 1889 -- valid -- Reed Vole
  Microtus gerbei (Gerbe, 1879) -- valid -- Gerbe's Vole, Pyreneean Pine Vole
  Microtus gregalis (Pallas, 1779) -- valid -- Narrow-headed Vole, Narrow-skulled Vole
  Microtus guatemalensis Merriam, 1898 -- valid -- Guatemalan Vole
  Microtus guentheri (Danford and Alston, 1880) -- valid -- Guenther's Vole, Günther's Vole
  Microtus hyperboreus Vinogradov, 1934 -- invalid -- North Siberian Vole
  Microtus irani Thomas, 1921 -- valid -- Iranian Vole, Persian Vole
  Microtus irene (Thomas, 1911) -- invalid -- Chinese Scrub Vole
  Microtus juldaschi (Severtzov, 1879) -- invalid -- Juniper Vole
  Microtus kermanensis Roguin, 1988 -- invalid -- Baluchistan vole
  Microtus kirgisorum (Ognev, 1950) -- invalid -- Tien Shan vole
  Microtus leucurus (Blyth, 1863) -- invalid -- Blyth's Vole
  Microtus limnophilus Büchner, 1889 -- valid -- Lacustrine Vole
  Microtus longicaudus (Merriam, 1888) -- valid -- Coronation Island vole, Long-tailed Vole
  Microtus longicaudus coronarius Swarth, 1911 -- invalid -- Coronation Island vole
  Microtus longicaudus longicaudus (Merriam, 1888) -- invalid
  Microtus ludovicianus Bailey, 1900 -- invalid
  Microtus lusitanicus (Gerbe, 1879) -- valid -- Lusitanian Pine Vole
  Microtus majori Thomas, 1906 -- valid -- Major's Pine Vole
  Microtus maximowiczii (Schrenk, 1859) -- valid -- Maximowicz's Vole
  Microtus mexicanus (Saussure, 1861) -- valid -- Meteoro mexicano, Mexican Vole
  Microtus mexicanus hualpaiensis Goldman, 1938 -- invalid -- Haulapai Mexican vole
  Microtus middendorffi (Poliakov, 1881) -- valid -- Middendorf's vole, Middendorff's Vole
  Microtus miurus Osgood, 1901 -- valid -- Singing Vole
  Microtus mogollonensis (Mearns, 1890) -- invalid -- Mogollon vole
  Microtus mongolicus (Radde, 1862) -- valid -- Mongolian Vole
  Microtus montanus (Peale, 1848) -- valid -- Montane Vole
  Microtus montebelli (Milne-Edwards, 1872) -- valid -- Japanese Grass Vole
  Microtus mujanensis Orlov and Kovalskaya, 1978 -- valid -- Muisk Vole, Muya Valley Vole
  Microtus multiplex (Fatio, 1905) -- valid -- Alpine Pine Vole
  Microtus nasarovi (Shidlovsky, 1938) -- invalid -- Nasarov's vole
  Microtus nesophilus Bailey, 1898 -- invalid -- Gull Island vole
  Microtus oaxacensis Goodwin, 1966 -- valid -- Tarabundi vole, Tarabundí Vole
  Microtus obscurus (Eversmann, 1841) -- invalid -- Altai vole
  Microtus ochrogaster (Wagner, 1842) -- valid -- Prairie Vole
  Microtus oeconomus (Pallas, 1776) -- valid -- Root Vole, Tundra Vole
  Microtus oregoni (Bachman, 1839) -- valid -- Creeping Vole
  Microtus parvulus (A. H. Howell, 1916) -- invalid
  Microtus pennsylvanicus (Ord, 1815) -- valid -- campagnol des champs, Meadow Vole, Meteoro de prado
  Microtus pennsylvanicus chihuahuensis Bradley and Cockrum, 1968 -- invalid
  Microtus pennsylvanicus dukecampbelli Woods, Post and Kilpatrick, 1982 -- invalid -- Florida salt marsh vole
  Microtus pinetorum (Le Conte, 1830) -- valid -- campagnol sylvestre, Pine Vole, Woodland Vole
  Microtus quasiater (Coues, 1874) -- valid -- Jalapan Pine Vole, Jalapan Vole
  Microtus ratticeps (Keyserling and Blasius, 1841) -- invalid
  Microtus richardsoni (DeKay, 1842) -- valid -- North American Water Vole, Water Vole
  Microtus rossiaemeridionalis Ognev, 1924 -- invalid -- Southern Vole
  Microtus sachalinensis Vasin, 1955 -- valid -- Sakhalin Island Vole, Sakhalin vole
  Microtus savii (Selys-Longchamps, 1838) -- valid -- Savi's Pine Vole
  Microtus schelkovnikovi (Satunin, 1907) -- valid -- Schelkovnikov's Pine Vole
  Microtus sikimensis (Hodgson, 1849) -- invalid -- Sikkim Vole
  Microtus socialis (Pallas, 1773) -- valid -- Social Vole
  Microtus subterraneus (Selys-Longchamps, 1836) -- valid -- Common Pine Vole, European Pine Vole
  Microtus tatricus Kratochvíl, 1952 -- valid -- Tatra Pine Vole, Tatra Vole
  Microtus thomasi (Barrett-Hamilton, 1903) -- valid -- Thomas's Pine Vole
  Microtus townsendii (Bachman, 1839) -- valid -- Townsend's Vole
  Microtus transcaspicus Satunin, 1905 -- valid -- Middle East Vole, Transcaspian Vole
  Microtus umbrosus Merriam, 1898 -- valid -- Zempoaltépec Vole
  Microtus xanthognathus (Leach, 1815) -- valid -- Taiga Vole, Yellow-cheeked Vole
  Millardia Thomas, 1911 -- valid -- Asian Soft-furred Rats
  Millardia gleadowi (Murray, 1886) -- valid -- Sand-colored Metad, Sand-coloured Rat
  Millardia kathleenae Thomas, 1914 -- valid -- Burmese Metad, Miss Ryley's Soft-furred Field Rat
  Millardia kondana Mishra and Dhanda, 1975 -- valid -- Large Metad
  Millardia meltada (Gray, 1837) -- valid -- Common Metad, Soft-furred Field Rat
  Mimetillus Thomas, 1904 -- valid
  Mimetillus moloneyi (Thomas, 1891) -- valid -- Moloney's flat-headed bat, Moloney's Mimic Bat
  Mimon Gray, 1847 -- valid
  Mimon bennettii (Gray, 1838) -- valid -- golden bat, Southern Golden Bat
  Mimon crenulatum (E. Geoffroy, 1803) -- invalid -- striped hairy-nosed bat, Striped Hairy-nosed Bat
  Miniopterinae Dobson, 1875 -- valid
  Miniopterus Bonaparte, 1837 -- valid
  Miniopterus australis Tomes, 1858 -- valid -- little long-fingered bat, Little Long-fingered Bat
  Miniopterus fraterculus Thomas and Schwann, 1906 -- valid -- lesser long-fingered bat, Lesser Long-fingered Bat
  Miniopterus fuscus Bonhote, 1902 -- valid -- southeast Asian long-fingered bat, Southeast Asian Long-fingered Bat
  Miniopterus inflatus Thomas, 1903 -- valid -- greater long-fingered bat, Greater Long-fingered Bat
  Miniopterus magnater Sanborn, 1931 -- valid -- western bent-winged bat, Western Long-fingered Bat
  Miniopterus minor Peters, 1867 -- valid -- least long-fingered bat, Least Long-fingered Bat
  Miniopterus pusillus Dobson, 1876 -- valid -- small bent-winged bat, Small Long-fingered Bat
  Miniopterus robustior Revilliod, 1914 -- valid -- Loyalty bent-winged bat, Loyalty Long-fingered Bat
  Miniopterus schreibersi (Kuhl, 1817) -- invalid -- Schreibers's long-fingered bat
  Miniopterus tristis (Waterhouse, 1845) -- valid -- great bent-winged bat, Great Long-fingered Bat
  Miopithecus I. Geoffroy Saint-Hilaire, 1842 -- valid -- talapoins
  Miopithecus talapoin (Schreber, 1774) -- valid -- Angolan Talapoin, Southern Talapoin Monkey, talapoin
  Mirounga Gray, 1827 -- valid -- elephant seals
  Mirounga angustirostris (Gill, 1866) -- valid -- Elefante-marino norteño, Northern Elephant Seal, northern sea elephant
  Mirounga leonina (Linnaeus, 1758) -- valid -- Southern Elephant Seal, southern sea elephant
  Mixocebus Peters, 1874 -- invalid
  Mogera Pomel, 1848 -- valid
  Mogera etigo Yoshiyuki and Imaizumi, 1991 -- invalid -- Echigo Mole
  Mogera insularis (Swinhoe, 1863) -- valid -- Insular Mole
  Mogera kobeae Thomas, 1905 -- invalid -- Kobe Mole
  Mogera minor Kuroda, 1936 -- invalid -- Small Japanese Mole
  Mogera robusta Nehring, 1891 -- invalid -- Large Mole
  Mogera tokudae Kuroda, 1940 -- valid -- Sado Mole, Tokuda's Mole
  Mogera wogura (Temminck, 1842) -- valid -- Japanese Mole
  Molossidae Gervais, 1856 -- valid -- free-tailed bats
  Molossops Peters, 1866 -- valid
  Molossops abrasus (Temminck, 1827) -- invalid -- cinnamon dog-faced bat
  Molossops aequatorianus Cabrera, 1917 -- valid -- equatorial dog-faced bat, Equatorial Dog-faced Bat
  Molossops greenhalli (Goodwin, 1958) -- invalid -- greenhall's dog-faced bat
  Molossops mattogrossensis Vieira, 1942 -- valid -- Mato Grosso dog-faced bat, Mato Grosso Dog-faced Bat
  Molossops neglectus Williams and Genoways, 1980 -- valid -- rufous dog-faced bat, Rufous Dog-faced Bat
  Molossops planirostris (Peters, 1866) -- invalid -- southern dog-faced bat
  Molossops temminckii (Burmeister, 1854) -- valid -- dwarf dog-faced bat, Dwarf Dog-faced Bat
  Molossus E. Geoffroy, 1805 -- valid -- velvety free-tailed bats
  Molossus ater E. Geoffroy, 1805 -- invalid -- black mastiff bat
  Molossus bondae J. A. Allen, 1904 -- invalid -- Bonda mastiff bat
  Molossus molossus (Pallas, 1766) -- valid -- Murciélago-mastín de Pallas, Pallas' free-tailed bat, Pallas's mastiff bat, Pallas's Mastiff Bat
  Molossus pretiosus Miller, 1902 -- valid -- Miller's mastiff bat, Miller's Mastiff Bat
  Molossus sinaloae J. A. Allen, 1906 -- valid -- Sinaloan mastiff bat, Sinaloan Mastiff Bat
  Monachus Fleming, 1822 -- valid -- monk seals
  Monachus monachus (Hermann, 1779) -- valid -- Mediterranean Monk Seal
  Monachus schauinslandi Matschie, 1905 -- invalid -- Hawaiian Monk Seal
  Monachus tropicalis (Gray, 1850) -- invalid -- Caribbean Monk Seal, Foca-monje del Caribe, West Indian monk seal
  Monodelphis Burnett, 1830 -- valid -- short-tailed opossums
  Monodelphis adusta (Thomas, 1897) -- valid -- Sepia Short-tailed Opossum
  Monodelphis americana (Müller, 1776) -- valid -- Northern Three-striped Opossum
  Monodelphis brevicaudata (Erxleben, 1777) -- valid -- Northern Red-sided Opossum
  Monodelphis dimidiata (Wagner, 1847) -- valid -- Yellow-sided Opossum
  Monodelphis domestica (Wagner, 1842) -- valid -- Gray Short-tailed Opossum
  Monodelphis emiliae (Thomas, 1912) -- valid -- Emilia's Short-tailed Opossum
  Monodelphis iheringi (Thomas, 1888) -- valid -- Ihering's Three-striped Opossum
  Monodelphis kunsi Pine, 1975 -- valid -- Pygmy Short-tailed Opossum
  Monodelphis maraxina Thomas, 1923 -- valid -- Marajó Short-tailed Opossum
  Monodelphis osgoodi Doutt, 1938 -- valid -- Osgood's Short-tailed Opossum
  Monodelphis rubida (Thomas, 1899) -- valid -- Chestnut-striped Opossum
  Monodelphis scalops (Thomas, 1888) -- valid -- Long-nosed Short-tailed Opossum
  Monodelphis sorex (Hensel, 1872) -- valid -- Southern Red-sided Opossum
  Monodelphis theresa Thomas, 1921 -- valid -- Southern Three-striped Opossum
  Monodelphis unistriata (Wagner, 1842) -- valid -- One-striped Opossum
  Monodon Linnaeus, 1758 -- valid -- narwhals
  Monodon monoceros Linnaeus, 1758 -- valid -- narval, Narwhal
  Monodontidae Gray, 1821 -- valid -- white whales
  Monophyllus Leach, 1821 -- valid -- Antillean long-tongued bats
  Monophyllus plethodon Miller, 1900 -- valid -- insular long-tongued bat, insular single leaf bat, Insular Single-leaf Bat
  Monophyllus redmani Leach, 1821 -- valid -- Leach's single leaf bat, Leach's Single-leaf Bat, Puerto Rican long-tongued bat
  Monotremata Bonaparte, 1837 -- valid
  Mops Lesson, 1842 -- valid
  Mops brachypterus (Peters, 1852) -- valid -- Short-winged Free-tailed Bat, Sierra Leone free-tailed bat
  Mops condylurus (A. Smith, 1833) -- valid -- Angolan free-tailed bat, Angolan Free-tailed Bat
  Mops congicus J. A. Allen, 1917 -- valid -- Congo Free-tailed Bat, Medje free-tailed bat
  Mops demonstrator (Thomas, 1903) -- valid -- Mongalla free-tailed bat, Mongallan Free-tailed Bat
  Mops midas (Sundevall, 1843) -- valid -- midas free-tailed bat, Midas' Free-tailed Bat
  Mops mops (de Blainville, 1840) -- valid -- Malayan free-tailed bat, Malayan Free-tailed Bat
  Mops nanulus J. A. Allen, 1917 -- valid -- dwarf free-tailed bat, Dwarf Free-tailed Bat
  Mops niangarae J. A. Allen, 1917 -- valid -- Niangara free-tailed bat, Niangaran Free-tailed Bat
  Mops niveiventer Cabrera and Ruxton, 1926 -- valid -- white-bellied free-tailed bat, White-bellied Free-tailed Bat
  Mops petersoni (El Rayah, 1981) -- valid -- Peterson's free-tailed bat, Peterson's Free-tailed Bat
  Mops sarasinorum (A. Meyer, 1899) -- valid -- Sulawesi free-tailed bat, Sulawesian Free-tailed Bat
  Mops spurrelli (Dollman, 1911) -- valid -- Spurrell's free-tailed bat, Spurrell's Free-tailed Bat
  Mops thersites (Thomas, 1903) -- valid -- railer bat, Railer Free-tailed Bat
  Mops trevori J. A. Allen, 1917 -- valid -- Trevor's free-tailed bat, Trevor's Free-tailed Bat
  Mormoopidae Saussure, 1860 -- valid -- ghost-faced bats, moustached bats, naked-backed bats
  Mormoops Leach, 1821 -- valid -- ghost-faced bats
  Mormoops blainvillii Leach, 1821 -- valid -- Antillean ghost-faced bat, Antillean Ghost-faced Bat, Blainville's ghost-faced bat
  Mormoops megalophylla (Peters, 1864) -- valid -- ghost-faced bat, Murciélago-barba arrugada norteño, Peter's ghost-faced bat, Peters's Ghost-faced Bat
  Mormopterus Peters, 1865 -- valid
  Mormopterus acetabulosus (Hermann, 1804) -- valid -- Mauritian Little Mastiff Bat, Natal free-tailed bat
  Mormopterus beccarii Peters, 1881 -- valid -- Beccari's Mastiff Bat
  Mormopterus doriae K. Andersen, 1907 -- valid -- Sumatran Mastiff Bat
  Mormopterus jugularis (Peters, 1865) -- valid -- Peters's Wrinkle-lipped Bat
  Mormopterus kalinowskii (Thomas, 1893) -- valid -- Kalinowski's Mastiff Bat
  Mormopterus minutus (Miller, 1899) -- valid -- Little Goblin Bat
  Mormopterus norfolkensis (Gray, 1840) -- valid -- East Coast Free-tailed Bat, Eastern Little Mastiff Bat, Norfolk Island Freetailed Bat
  Mormopterus petrophilus (Roberts, 1917) -- invalid -- Roberts's flat-headed bat
  Mormopterus phrudus Handley, 1956 -- valid -- Incan Little Mastiff Bat
  Mormopterus planiceps (Peters, 1866) -- valid -- South-eastern free-tailed bat, Southern Free-tailed Bat
  Mormopterus setiger Peters, 1878 -- invalid -- Peters's flat-headed bat
  Moschidae Gray, 1821 -- valid -- musk deer
  Moschiola Hodgson, 1843 -- invalid
  Moschiola meminna (Erxleben, 1777) -- valid -- Indian spotted chevrotain, Indian Spotted Chevrotain
  Moschus Linnaeus, 1758 -- valid
  Moschus berezovskii Flerov, 1929 -- valid -- Chinese forest musk deer, Forest Musk Deer
  Moschus chrysogaster (Hodgson, 1839) -- valid -- alpine musk deer, Alpine Musk Deer
  Moschus fuscus Li, 1981 -- valid -- Black Musk Deer, dusky musk deer
  Moschus moschiferus Linnaeus, 1758 -- valid -- Siberian musk deer, Siberian Musk Deer
  Mosia Gray, 1843 -- valid
  Mosia nigrescens Gray, 1843 -- valid -- dark sheath-tailed bat, Dark Sheath-tailed Bat
  Mungos É. Geoffroy Saint-Hilaire and F. G. Cuvier, 1795 -- valid
  Mungos gambianus (Ogilby, 1835) -- valid -- Gambian Mongoose
  Mungos mungo (Gmelin, 1788) -- valid -- Banded Mongoose
  Mungotictis Pocock, 1915 -- valid
  Mungotictis decemlineata (Grandidier, 1867) -- valid -- Narrow-striped Mongoose
  Muntiacinae Knottnerus-Meyer, 1907 -- invalid
  Muntiacus Rafinesque, 1815 -- valid -- muntjaks
  Muntiacus atherodes Groves and Grubb, 1982 -- valid -- Bornean Yellow Muntjac, Bornean yellow muntjac
  Muntiacus crinifrons (Sclater, 1885) -- valid -- black muntjac, Black Muntjac
  Muntiacus feae (Thomas and Doria, 1889) -- valid -- Fea's Muntjac, Fea's muntjac
  Muntiacus gongshanensis Ma, 1990 -- valid -- Gongshan muntjac, Gongshan Muntjac
  Muntiacus muntjak (Zimmermann, 1780) -- valid -- Indian muntjac, Red Muntjac
  Muntiacus reevesi (Ogilby, 1839) -- valid -- Reeves' Muntjac, Reeves's muntjac
  Murexia Tate and Archbold, 1937 -- valid -- short-haired marsupial 'mice'
  Murexia longicaudata (Schlegel, 1866) -- valid -- Short-furred Dasyure
  Murexia rothschildi (Tate, 1938) -- invalid
  Muriculus Thomas, 1903 -- valid
  Muriculus imberbis (Rüppell, 1842) -- valid -- Ethiopian Striped Mouse
  Muridae Illiger, 1811 -- valid -- campagnols, mice, rats, rats, souris, voles
  Murina Gray, 1842 -- valid
  Murina aenea Hill, 1964 -- valid -- bronze tube-nosed bat, Bronze Tube-nosed Bat
  Murina aurata A. Milne-Edwards, 1872 -- valid -- little tube-nosed bat, Little Tube-nosed Bat
  Murina cyclotis Dobson, 1872 -- valid -- Round-eared Tube-nosed Bat
  Murina florium Thomas, 1908 -- valid -- Flores tube-nosed bat, Flores Tube-nosed Bat
  Murina fusca Sowerby, 1922 -- valid -- dusky tube-nosed bat, Dusky Tube-nosed Bat
  Murina grisea Peters, 1872 -- invalid -- Peters's Tube-nosed Bat
  Murina huttoni (Peters, 1872) -- invalid -- Hutton's tube-nosed bat, Hutton's Tube-nosed Bat
  Murina leucogaster A. Milne-Edwards, 1872 -- valid -- greater tube-nosed bat, Greater Tube-nosed Bat
  Murina puta Kishida, 1924 -- valid -- Taiwan tube-nosed bat, Taiwanese Tube-nosed Bat
  Murina rozendaali Hill and Francis, 1984 -- valid -- gilded tube-nosed bat, Gilded Tube-nosed Bat
  Murina silvatica Yoshiyuki, 1983 -- valid -- forest tube-nosed bat, Forest Tube-nosed Bat
  Murina suilla (Temminck, 1840) -- valid -- brown tube-nosed bat, Brown Tube-nosed Bat
  Murina tenebrosa Yoshiyuki, 1970 -- valid -- gloomy tube-nosed bat, Gloomy Tube-nosed Bat
  Murina tubinaris (Scully, 1881) -- valid -- Scully's tube-nosed bat, Scully's Tube-nosed Bat
  Murina ussuriensis Ognev, 1913 -- valid -- Ussuri tube-nosed bat, Ussurian Tube-nosed Bat
  Murinae Illiger, 1811 -- valid -- Old World mice, Old World rats
  Murininae Miller, 1907 -- valid
  Mus Linnaeus, 1758 -- valid -- House Mice, Old World Mice
  Mus baoulei (Vermeiren and Verheyen, 1980) -- valid -- Baoule's Mouse
  Mus booduga (Gray, 1837) -- valid -- Little Indian Field Mouse
  Mus bufo (Thomas, 1906) -- valid -- Toad Mouse
  Mus callewaerti (Thomas, 1925) -- valid -- Callewaert's Mouse
  Mus caroli Bonhote, 1902 -- valid -- Ryukyu Mouse
  Mus cervicolor Hodgson, 1845 -- valid -- Fawn-colored Mouse
  Mus cookii Ryley, 1914 -- valid -- Cook's Mouse
  Mus crociduroides (Robinson and Kloss, 1916) -- valid -- Sumatran Shrewlike Mouse
  Mus famulus Bonhote, 1898 -- valid -- Servant Mouse
  Mus fernandoni (Phillips, 1932) -- valid -- Ceylon Spiny Mouse
  Mus goundae F. Petter and Genest, 1970 -- valid -- Gounda Mouse
  Mus haussa (Thomas and Hinton, 1920) -- valid -- Hausa Mouse
  Mus indutus (Thomas, 1910) -- valid -- Desert Pygmy Mouse
  Mus kasaicus (Cabrera, 1924) -- invalid
  Mus macedonicus Petrov and Ruzic, 1983 -- valid -- Macedonian Mouse
  Mus mahomet Rhoads, 1896 -- valid -- Mahomet Mouse
  Mus mattheyi F. Petter, 1969 -- valid -- Matthey's Mouse
  Mus mayori (Thomas, 1915) -- valid -- Mayor's Mouse
  Mus minutoides A. Smith, 1834 -- valid -- Southern African Pygmy Mouse
  Mus musculoides Temminck, 1853 -- valid -- Subsaharan Pygmy Mouse
  Mus musculus Linnaeus, 1758 -- valid -- House Mouse, souris commune
  Mus neavei (Thomas, 1910) -- valid -- Neave's Mouse
  Mus orangiae (Roberts, 1926) -- valid -- Orange Mouse
  Mus oubanguii F. Petter and Genest, 1970 -- valid -- Oubangui Mouse
  Mus pahari Thomas, 1916 -- valid -- Indochinese Shrewlike Mouse, Sikkim Mouse
  Mus palustris Harlan, 1837 -- invalid
  Mus phillipsi Wroughton, 1912 -- valid -- Phillips's Mouse
  Mus platythrix Bennett, 1832 -- valid -- Flat-haired Mouse, Indian Brown Spiny Mouse
  Mus polionotus Wagner, 1843 -- invalid
  Mus saxicola Elliot, 1839 -- valid -- Saxicolous Mouse
  Mus setulosus Peters, 1876 -- valid -- Peters's Mouse
  Mus setzeri F. Petter, 1978 -- valid -- Setzer's Mouse
  Mus shortridgei (Thomas, 1914) -- valid -- Shortridge's Mouse
  Mus sorella (Thomas, 1909) -- valid -- Thomas's Mouse
  Mus spicilegus Petényi, 1882 -- valid -- Mound-building Mouse
  Mus spretus Lataste, 1883 -- valid -- Western Mediterranean Mouse
  Mus tenellus (Thomas, 1903) -- valid -- Delicate Mouse
  Mus terricolor Blyth, 1851 -- valid -- Earth-Colored mouse
  Mus triton (Thomas, 1909) -- valid -- Gray-bellied Mouse
  Mus volans Linnaeus, 1758 -- invalid
  Mus vulcani (Robinson and Kloss, 1919) -- valid -- Javan Shrew-like Mouse
  Muscardinus Kaup, 1829 -- valid
  Muscardinus avellanarius (Linnaeus, 1758) -- valid -- Common Dormouse, Hazel Dormouse
  Musonycteris Schaldach and McLaughlin, 1960 -- valid
  Musonycteris harrisoni Schaldach and McLaughlin, 1960 -- valid -- banana bat, Banana Bat
  Mustela Linnaeus, 1758 -- valid -- ermines, ferrets, minks, weasels
  Mustela africana Desmarest, 1818 -- valid -- Amazon Weasel, tropical weasel
  Mustela altaica Pallas, 1811 -- valid -- Mountain Weasel
  Mustela erminea Linnaeus, 1758 -- valid -- Ermine, hermine
  Mustela eversmannii Lesson, 1827 -- invalid -- steppe polecat
  Mustela felipei Izor and de la Torre, 1978 -- valid -- Colombian Weasel, Don Felipe's Weasel
  Mustela frenata Lichtenstein, 1831 -- valid -- belette à longue queue, Comadreja cola larga, Long-tailed Weasel
  Mustela kathiah Hodgson, 1835 -- valid -- Yellow-bellied Weasel
  Mustela lutreola (Linnaeus, 1761) -- valid -- European Mink
  Mustela lutreolina Robinson and Thomas, 1917 -- valid -- Indonesian Mountain Weasel
  Mustela lutris Linnaeus, 1758 -- invalid
  Mustela nigripes (Audubon and Bachman, 1851) -- valid -- Black-footed Ferret
  Mustela nivalis Linnaeus, 1766 -- valid -- belette pygmée, Least Weasel
  Mustela nudipes Desmarest, 1822 -- valid -- Malayan Weasel
  Mustela putorius Linnaeus, 1758 -- valid -- European Polecat
  Mustela sibirica Pallas, 1773 -- valid -- Siberian Weasel
  Mustela strigidorsa Gray, 1853 -- valid -- Back-striped Weasel, Stripe-backed Weasel
  Mustela vison Schreber, 1777 -- valid -- American Mink, mink, vison d'Amérique
  Mustelidae Fischer, 1817 -- valid -- mustelids
  Mustelinae Fischer, 1817 -- valid -- martens, weasels, wolverines
  Mycetes Illiger, 1811 -- invalid
  Mydaus F. G. Cuvier, 1821 -- valid
  Mydaus javanensis (Desmarest, 1820) -- valid -- Indonesian Stink Badger, Sunda Stink Badger
  Mydaus marchei Huet, 1887 -- valid -- Palawan Stink Badger
  Mylomys Thomas, 1906 -- valid
  Mylomys dybowskii (Pousargues, 1893) -- valid -- Common Mylomys
  Myocastor Kerr, 1792 -- valid -- nutrias
  Myocastor coypus (Molina, 1782) -- valid -- coypu, Coypu, nutria, nutria
  Myocastoridae Ameghino, 1902 -- valid -- nutrias
  Myodes nigripes True, 1894 -- invalid
  Myoictis Gray, 1858 -- valid -- New Guinea striped dasyures, three-striped marsupial 'mouse'
  Myoictis melas (Müller, 1840) -- valid -- Three-striped Dasyure, three-striped marsupial 'mouse'
  Myomimus Ognev, 1924 -- valid -- Mouse-tailed Dormice
  Myomimus personatus Ognev, 1924 -- valid -- Masked Mouse-tailed Dormouse
  Myomimus roachi (Bate, 1937) -- valid -- Roach's Mouse-tailed Dormouse
  Myomimus setzeri Rossolimo, 1976 -- valid -- Setzer's Mouse-tailed Dormouse
  Myomys Thomas, 1915 -- invalid
  Myomys albipes (Rüppell, 1842) -- invalid
  Myomys daltoni (Thomas, 1892) -- invalid
  Myomys derooi Van der Straeten and Verheyen, 1978 -- invalid
  Myomys fumatus (Peters, 1878) -- invalid
  Myomys ruppi (Van der Straeten and Dieterlen, 1983) -- invalid
  Myomys verreauxii (A. Smith, 1834) -- invalid
  Myomys yemeni Sanborn and Hoogstraal, 1953 -- invalid
  Myonycteris Matschie, 1899 -- valid
  Myonycteris brachycephala (Bocage, 1889) -- valid -- Sao Tomé collared fruit bat, São Tomé Collared Fruit Bat
  Myonycteris relicta Bergmans, 1980 -- valid -- Bergmans's Collared Fruit Bat, East African little collared fruit bat
  Myonycteris torquata (Dobson, 1878) -- valid -- little collared fruit bat, Little Collared Fruit Bat
  Myopotamus É. Geoffroy Saint-Hilaire, 1805 -- invalid
  Myoprocta Thomas, 1903 -- valid
  Myoprocta acouchy (Erxleben, 1777) -- valid -- Red Acouchi
  Myoprocta exilis (Wagler, 1831) -- invalid
  Myopterus E. Geoffroy, 1818 -- valid
  Myopterus daubentonii Desmarest, 1820 -- valid -- Daubenton's free-tailed bat, Daubenton's Winged-mouse Bat
  Myopterus whitleyi (Scharff, 1900) -- valid -- bini free-tailed bat, Bini Winged-mouse Bat
  Myopus Miller, 1910 -- valid
  Myopus schisticolor (Lilljeborg, 1844) -- valid -- Wood Lemming
  Myosciurus Thomas, 1909 -- valid
  Myosciurus pumilio (Le Conte, 1857) -- valid -- African Pygmy Squirrel
  Myosorex Gray, 1838 -- valid
  Myosorex babaulti Heim de Balsac and Lamotte, 1956 -- valid -- Babault's Mouse Shrew
  Myosorex blarina Thomas, 1906 -- valid -- Montane Mouse Shrew
  Myosorex cafer (Sundevall, 1846) -- valid -- Dark-footed Forest Shrew, Dark-footed Mouse Shrew
  Myosorex eisentrauti Heim de Balsac, 1968 -- valid -- Eisentraut's Mouse Shrew
  Myosorex geata (Allen and Loveridge, 1927) -- valid -- Geata Mouse Shrew
  Myosorex longicaudatus Meester and Dippenaar, 1978 -- valid -- Long-tailed Forest Shrew
  Myosorex okuensis Heim de Balsac, 1968 -- valid -- Oku Mouse Shrew
  Myosorex rumpii Heim de Balsac, 1968 -- valid -- Rumpi Mouse Shrew
  Myosorex schalleri Heim de Balsac, 1966 -- valid -- Schaller's Mouse Shrew
  Myosorex sclateri Thomas and Schwann, 1905 -- valid -- Sclater's Mouse Shrew, Sclater's Tiny Mouse Shrew
  Myosorex tenuis Thomas and Schwann, 1905 -- valid -- Thin Mouse Shrew
  Myosorex varius (Smuts, 1832) -- valid -- Forest Shrew
  Myospalacinae Lilljeborg, 1866 -- valid
  Myospalax Hermann, 1783 -- invalid
  Myospalax aspalax (Pallas, 1776) -- valid -- False Zokor, Steppe Zokor
  Myospalax epsilanus Thomas, 1912 -- invalid -- Manchurian zokor
  Myospalax fontanierii (Milne-Edwards, 1867) -- invalid -- Chinese zokor
  Myospalax myospalax (Laxmann, 1773) -- valid -- Altai Zokor, Siberian zokor
  Myospalax psilurus (Milne-Edwards, 1874) -- valid -- North China Zokor, Transbaikal Zokor
  Myospalax rothschildi Thomas, 1911 -- invalid -- Rothschild's zokor
  Myospalax smithii Thomas, 1911 -- invalid -- Smith's zokor
  Myotis Kaup, 1829 -- valid -- mouse-eared bats
  Myotis abei Yoshikura, 1944 -- valid -- Sakhalin myotis, Sakhalin Myotis
  Myotis adversus (Horsfield, 1824) -- valid -- large-footed bat, Large-footed Myotis
  Myotis aelleni Baud, 1979 -- valid -- southern myotis, Southern Myotis
  Myotis albescens (E. Geoffroy, 1806) -- valid -- silver-tipped myotis, Silver-tipped Myotis
  Myotis altarium Thomas, 1911 -- valid -- Szechwan myotis, Szechwan Myotis
  Myotis annectans (Dobson, 1871) -- valid -- hairy-faced bat, Hairy-faced Myotis
  Myotis atacamensis (Lataste, 1892) -- valid -- Atacama myotis, Atacaman Myotis
  Myotis auriculus Baker and Stains, 1955 -- valid -- Miotis orejudo, Southwestern Myotis, southwestern myotis
  Myotis australis (Dobson, 1878) -- valid -- Australian myotis, Australian Myotis
  Myotis austroriparius (Rhoads, 1897) -- valid -- southeastern myotis, Southeastern Myotis
  Myotis bechsteini (Kuhl, 1817) -- invalid -- Bechstein's bat
  Myotis blythii (Tomes, 1857) -- valid -- lesser mouse-eared bat, Lesser Mouse-eared Myotis
  Myotis bocagei (Peters, 1870) -- invalid -- rufous mouse-eared bat
  Myotis bombinus Thomas, 1906 -- valid -- Far Eastern myotis, Far Eastern Myotis
  Myotis brandti (Eversmann, 1845) -- invalid -- Brandt's bat
  Myotis californicus (Audubon and Bachman, 1842) -- valid -- California myotis, California Myotis, Californian Myotis, Miotis californiano
  Myotis capaccinii (Bonaparte, 1837) -- valid -- long-fingered bat, Long-fingered Myotis
  Myotis chiloensis (Waterhouse, 1840) -- valid -- Chilean myotis, Chilean Myotis
  Myotis chinensis (Tomes, 1857) -- valid -- large myotis, Large Myotis
  Myotis ciliolabrum (Merriam, 1886) -- valid -- Miotis cara negra, small-footed myotis, western small-footed bat, Western Small-footed Myotis
  Myotis cobanensis Goodwin, 1955 -- valid -- Guatemalan myotis, Guatemalan Myotis
  Myotis dasycneme (Boie, 1825) -- valid -- pond bat, Pond Myotis
  Myotis daubentoni (Kuhl, 1817) -- invalid -- Daubenton's bat
  Myotis dominicensis Miller, 1902 -- valid -- Dominican myotis, Dominican Myotis
  Myotis elegans Hall, 1962 -- valid -- elegant myotis, Elegant Myotis
  Myotis emarginatus (E. Geoffroy, 1806) -- valid -- Geoffroy's bat, Geoffroy's Myotis
  Myotis evotis (H. Allen, 1864) -- valid -- long-eared myotis, Long-eared Myotis, Miotis oreja larga
  Myotis findleyi Bogan, 1978 -- valid -- Findley's myotis, Findley's Myotis
  Myotis formosus (Hodgson, 1835) -- valid -- Hodgson's bat, Hodgson's Myotis
  Myotis fortidens Miller and G. M. Allen, 1928 -- valid -- cinnamon myotis, Cinnamon Myotis, Miotis canelo
  Myotis frater G. M. Allen, 1923 -- valid -- fraternal myotis, Fraternal Myotis
  Myotis goudoti (A. Smith, 1834) -- valid -- Malagasy mouse-eared bat, Malagasy Myotis
  Myotis grisescens A. H. Howell, 1909 -- valid -- gray bat, gray myotis, Gray Myotis
  Myotis hasseltii (Temminck, 1840) -- valid -- lesser large-footed bat, Lesser Large-footed Myotis
  Myotis horsfieldii (Temminck, 1840) -- valid -- Horsfield's bat, Horsfield's Myotis
  Myotis hosonoi Imaizumi, 1954 -- valid -- Hosono's myotis, Hosono's Myotis
  Myotis ikonnikovi Ognev, 1912 -- valid -- Ikonnikov's bat, Ikonnikov's Myotis
  Myotis insularum (Dobson, 1878) -- valid -- insular myotis, Insular Myotis
  Myotis keaysi J. A. Allen, 1914 -- valid -- hairy-legged myotis, Hairy-legged Myotis
  Myotis keenii (Merriam, 1895) -- valid -- Keen's myotis, Keen's Myotis
  Myotis leibii (Audubon and Bachman, 1842) -- valid -- chauve-souris pygmée, eastern small-footed bat, Eastern Small-footed Myotis, eastern small-footed myotis, small-footed myotis
  Myotis lesueuri (Roberts, 1919) -- invalid -- Lesueur's hairy bat
  Myotis levis (I. Geoffroy, 1824) -- valid -- yellowish myotis, Yellowish Myotis
  Myotis longipes (Dobson, 1873) -- valid -- Kashmir cave bat, Kashmir Cave Myotis
  Myotis lucifugus (Le Conte, 1831) -- valid -- little brown bat, little brown myotis, Little Brown Myotis, Miotis norteamericano, petite chauve-souris brune
  Myotis macrodactylus (Temminck, 1840) -- valid -- big-footed myotis, Big-footed Myotis
  Myotis macrotarsus (Waterhouse, 1845) -- valid -- pallid large-footed myotis, Pallid Large-footed Myotis
  Myotis martiniquensis LaVal, 1973 -- valid -- Schwartz's myotis, Schwartz's Myotis
  Myotis milleri Elliot, 1903 -- invalid -- Miller's myotis
  Myotis montivagus (Dobson, 1874) -- valid -- Burmese whiskered bat, Burmese Whiskered Myotis
  Myotis morrisi Hill, 1971 -- valid -- Morris's bat, Morris's Myotis
  Myotis muricola (Gray, 1846) -- valid -- Nepalese Whiskered Myotis, whiskered myotis
  Myotis myotis (Borkhausen, 1797) -- valid -- mouse-eared bat, Mouse-eared Myotis
  Myotis mystacinus (Kuhl, 1817) -- valid -- whiskered bat, Whiskered Myotis
  Myotis nattereri (Kuhl, 1817) -- valid -- Natterer's bat, Natterer's Myotis
  Myotis nesopolus Miller, 1900 -- valid -- Curacao myotis, Curaçao Myotis
  Myotis nigricans (Schinz, 1821) -- valid -- Black Myotis
  Myotis oreias (Temminck, 1840) -- valid -- Singapore whiskered bat, Singaporese Whiskered Myotis
  Myotis oxyotus (Peters, 1867) -- valid -- montane myotis, Montane Myotis
  Myotis ozensis Imaizumi, 1954 -- valid -- Honshu myotis, Honshu Myotis
  Myotis peninsularis Miller, 1898 -- valid -- peninsular myotis, Peninsular Myotis
  Myotis pequinius Thomas, 1908 -- valid -- Peking myotis, Peking Myotis
  Myotis planiceps Baker, 1955 -- valid -- flat-headed myotis, Flat-headed Myotis
  Myotis pruinosus Yoshiyuki, 1971 -- valid -- frosted myotis, Frosted Myotis
  Myotis ricketti (Thomas, 1894) -- valid -- Rickett's big-footed bat, Rickett's Big-footed Myotis
  Myotis ridleyi (Thomas, 1898) -- valid -- Ridley's bat, Ridley's Myotis
  Myotis riparius Handley, 1960 -- valid -- riparian myotis, Riparian Myotis
  Myotis rosseti (Oey, 1951) -- valid -- thick-thumbed myotis, Thick-thumbed Myotis
  Myotis ruber (E. Geoffroy, 1806) -- valid -- red myotis, Red Myotis
  Myotis schaubi Kormos, 1934 -- valid -- Schaub's myotis, Schaub's Myotis
  Myotis scotti Thomas, 1927 -- valid -- Scott's mouse-eared bat, Scott's Myotis
  Myotis seabrai (Thomas, 1912) -- invalid -- Angolan hairy bat
  Myotis septentrionalis (Trouessart, 1897) -- valid -- chauve-souris nordique, northern long-eared bat, Northern Myotis, northern myotis
  Myotis sicarius Thomas, 1915 -- valid -- Mandelli's mouse-eared bat, Mandelli's Mouse-eared Myotis
  Myotis siligorensis (Horsfield, 1855) -- valid -- Himalayan whiskered bat, Himalayan Whiskered Myotis
  Myotis simus Thomas, 1901 -- valid -- velvety myotis, Velvety Myotis
  Myotis sodalis Miller and G. M. Allen, 1928 -- valid -- Indiana bat, Indiana Myotis
  Myotis stalkeri Thomas, 1910 -- valid -- Kei myotis, Kei Myotis
  Myotis thysanodes Miller, 1897 -- valid -- fringed myotis, Fringed Myotis, Miotis bordado
  Myotis tricolor (Temminck, 1832) -- valid -- Cape hairy bat, Temminck's Myotis
  Myotis velifer (J. A. Allen, 1890) -- valid -- cave myotis, Cave Myotis, Miotis mexicano
  Myotis vivesi Menegaux, 1901 -- valid -- fish-eating bat, Fish-eating Myotis
  Myotis volans (H. Allen, 1866) -- valid -- long-legged myotis, Long-legged Myotis, Miotis pata larga
  Myotis welwitschii (Gray, 1866) -- valid -- Welwitch's bat, Welwitsch's Myotis
  Myotis yesoensis Yoshiyuki, 1984 -- valid -- Yoshiyuki's myotis, Yoshiyuki's Myotis
  Myotis yu