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Taxon author: Ard.

ITIS records citing taxon author "Ard."
 
 Kingdom Animalia
  Abacola Edwards, 1891 -- invalid
  Abacola holothuriae Edwards, 1891 -- invalid
  Abdia Barnard & Karaman, 1987 -- valid
  Abeona Girard, 1855 -- invalid
  Abeona trowbridgii (Girard, 1854) -- invalid
  Aberratylus aberrantis (J. L. Barnard, 1962) -- valid
  Abiskomyia virgo Edwards, 1937 -- valid
  Ablabes periops praefrontalis Mocquard, 1890 -- invalid
  Abralia armata (Quoy and Gaimard, 1832) -- valid
  Abramis whipplei (Girard, 1856) -- invalid
  Abrawayaomys chebezi Pardińas, Teta and D'Elía, 2009 -- valid
  Abrothrix hershkovitzi (Patterson, Gallardo and Freas, 1984) -- valid -- Hershkovitz's Akodont, Hershkovitz's Grass Mouse
  Abudefduf abdominalis (Quoy and Gaimard, 1825) -- valid -- banded damselfish
  Abudefduf bankieri (Richardson, 1846) -- invalid -- orangetailed damselfish
  Abudefduf biocellatus (Quoy and Gaimard, 1825) -- invalid -- bluebanded damselfish
  Abudefduf dickii (Liénard, 1839) -- invalid -- narrowbar damsel
  Abudefduf lacrymatus (Quoy and Gaimard, 1825) -- invalid -- whitespeckled demoiselle
  Abudefduf sapphirus Jordan and Richardson, 1908 -- invalid
  Abudefduf sparoides (Quoy and Gaimard, 1825) -- valid -- false-eye damsel
  Abudefduf uniocellatus (Quoy and Gaimard, 1825) -- invalid -- onespot demoiselle
  Abudefduf vaigiensis (Quoy and Gaimard, 1825) -- valid
  Abyla Quoy and Gaimard, 1827 -- valid
  Abyla trigona Quoy and Gaimard, 1827 -- valid
  Abylopsis trigona Quoy and Gaimard, 1827 -- valid
  Abyssarcturella Poore & Bardsley, 1992 -- valid
  Abyssarcturella cidaris Poore & Bardsley, 1992 -- valid
  Abyssarcturella panope Poore & Bardsley, 1992 -- valid
  Acanthacaris caeca (A. Milne-Edwards, 1881) -- valid -- Atlantic deepsea lobster
  Acanthagrion abunae Leonard, 1977 -- valid
  Acanthagrion hermosae Leonard, 1977 -- valid
  Acanthagrion inexpectum Leonard, 1977 -- valid
  Acanthagrion jessei Leonard, 1977 -- valid
  Acanthagrion longispinosum Leonard, 1977 -- valid
  Acanthagrion minutum Leonard, 1977 -- valid
  Acanthagrion peruvianum Leonard, 1977 -- valid
  Acanthagrion phallicorne Leonard, 1977 -- valid
  Acanthagrion rubrifrons Leonard, 1977 -- valid
  Acanthagrion trilobatum Leonard, 1977 -- valid
  Acanthagrion viridescens Leonard, 1977 -- valid
  Acanthagrion williamsoni Leonard, 1977 -- valid
  Acanthaluteres brownii (Richardson, 1846) -- valid
  Acanthaluteres paragaudatus (Richardson, 1840) -- invalid
  Acanthaluteres spilomelanurus (Quoy & Gaimard, 1824) -- valid
  Acanthasargus flavipes Hardy, 1932 -- valid
  Acanthasargus varipes Hardy, 1932 -- valid
  Acanthaspidia acanthonotus (Beddard, 1886) -- valid
  Acanthaspidia laevis Chardy, 1978 -- valid
  Acanthastrea Milne-Edwards and Haime, 1848 -- valid
  Acanthastrea bowerbanki Milne-Edwards and Haime, 1857 -- valid
  Acanthastrea maxima Sheppard and Salm, 1988 -- valid
  Acanthephyra A. Milne Edwards, 1881 -- valid
  Acanthephyra armata A. Milne-Edwards, 1881 -- valid
  Acanthephyra ensis A. Milne-Edwards, 1881 -- invalid
  Acanthephyra purpurea A. Milne-Edwards, 1881 -- valid
  Acanthias suckleyi (Girard, 1855) -- invalid
  Acanthina nana Bellardi, 1862 -- invalid
  Acanthiza chrysorrhoa (Quoy & Gaimard, 1830) -- valid -- Yellow-rumped Thornbill
  Acanthiza chrysorrhoa chrysorrhoa (Quoy & Gaimard, 1830) -- valid
  Acanthobothrium Blanchard, 1848 -- valid
  Acanthobothrium cairae Vardo-Zalik & Campbell, 2011 -- valid
  Acanthobothrium lentiginosum Vardo-Zalik & Campbell, 2011 -- valid
  Acanthobothrium schalli Vardo-Zalik & Campbell, 2011 -- valid
  Acanthobothrium ulmeri Vardo-Zalik & Campbell, 2011 -- valid
  Acanthobothrium westi Vardo-Zalik & Campbell, 2011 -- valid
  Acanthocarpus bispinosus A. Milne-Edwards, 1880 -- valid -- twospine box crab
  Acanthocephaloides propinguus (Dujardin, 1845) -- invalid
  Acanthocephaloides propinquus (Dujardin, 1845) -- valid
  Acanthocephalus anthuris (Dujardin, 1845) -- valid
  Acanthocephalus clavula (Dujardin, 1845) -- valid
  Acanthocinini Blanchard, 1845 -- valid
  Acanthocinus pusillus Kirby in Richardson, 1837 -- valid
  Acanthoclinus marilynae (Hardy, 1985) -- valid
  Acanthoclinus matti (Hardy, 1985) -- valid
  Acanthoclinus rua (Hardy, 1985) -- valid
  Acanthocope Beddard, 1885 -- valid
  Acanthocope acutispina Beddard, 1885 -- valid
  Acanthocope armata Chardy, 1972A -- valid
  Acanthocope carinata Chardy, 1972A -- valid
  Acanthocope spinicauda Beddard, 1885 -- valid
  Acanthocottus Girard, 1850 -- invalid
  Acanthocreagris alguerensis Gardini, 2018 -- valid
  Acanthocreagris focarilei Gardini, 1998 -- valid
  Acanthocreagris foghesa Gardini, 2018 -- valid
  Acanthocreagris grottoloi Gardini, 2018 -- valid
  Acanthocreagris nemoralis Gardini, 1998 -- valid
  Acanthocreagris serianii Gardini, 1998 -- valid
  Acanthocreagris zoiai Gardini, 1998 -- valid
  Acanthocyclops plattensis Pennak and Ward, 1985 -- invalid
  Acanthodoris pilosa (Abildgaard, 1789) -- valid -- hairy spiny doris
  Acanthodotheca complosa (Reinhard, 1947) -- valid
  Acanthodotheca compressa (Reinhard, 1947) -- valid
  Acanthodotheca reperta (Reinhard, 1947) -- valid
  Acanthodotheca spretor (Reinhard, 1947) -- valid
  Acanthodotheca thyceae (Reinhard, 1945) -- valid
  Acanthodrilus affinis Beddard, 1891 -- valid
  Acanthodrilus annectens Beddard, 1888 -- valid
  Acanthodrilus capensis Beddard, 1885 -- valid
  Acanthodrilus layardi Beddard, 1886 -- valid
  Acanthodrilus macquariensis Beddard, 1896 -- invalid
  Acanthohaustorius pansus Thomas and J. L. Barnard, 1984 -- valid
  Acanthomunna Beddard, 1886 -- valid
  Acanthomunna proteus Beddard, 1886 -- valid
  Acanthomysis longicornis (H. Milne Edwards, 1837) -- valid
  Acanthoneura acidomorpha Hardy, 1951 -- invalid
  Acanthonevra continua Hardy, 1986 -- valid
  Acanthonevra incerta Hardy, 1986 -- valid
  Acanthonevra marginata Hardy, 1973 -- valid
  Acanthonevra quatei (Hardy, 1973) -- valid
  Acanthonevra setosifemora Hardy, 1974 -- valid
  Acanthonevra shinonagai Hardy, 1986 -- valid
  Acanthonevra siamensis Hardy, 1973 -- valid
  Acanthonotozomellidae Coleman & Barnard, 1991 -- valid
  Acanthonyx petiverii H. Milne Edwards, 1834 -- valid -- jacknife spider crab
  Acanthopelma F. O. Pickard-Cambridge, 1897 -- valid
  Acanthopelma rufescens F. O. Pickard-Cambridge, 1897 -- valid
  Acanthophyra A. Milne Edwards, 1881 -- invalid
  Acanthoplesiops psilogaster Hardy, 1985 -- valid
  Acanthosaura Gray in Hardwicke, 1827 -- valid
  Acanthosaura armata (Gray in Hardwicke, 1827) -- valid -- Armored Pricklenape, Peninsular Horned Tree Lizard
  Acanthoscurria atrox Vellard, 1924 -- invalid
  Acanthoscurria brocklehursti F. O. Pickard-Cambridge, 1896 -- invalid
  Acanthoscurria pugnax Vellard, 1924 -- invalid
  Acanthoscurria urens Vellard, 1924 -- valid
  Acanthoserolis polaris (Richardson, 1911A -- valid
  Acanthotaenia gracilis (Beddard, 1913) -- valid
  Acanthotaenia nilotica (Beddard, 1913) -- valid
  Acanthozoon ovale (Schmarda, 1859) -- valid
  Acanthurus argenteus Quoy & Gaimard, 1825 -- invalid
  Acanthurus grammoptilus Richardson, 1843 -- valid
  Acanthurus striatus Quoy & Gaimard, 1825 -- invalid
  Acasis viridata (Packard, 1873) -- valid
  Accalathura Barnard, 1925 -- valid
  Accalathura crenulata (H. Richardson, 1901) -- valid
  Accedomoera J. L. Barnard, 1964 -- valid
  Accedomoera vagor J. L. Barnard, 1969 -- valid
  Accipiter trivirgatus castroi Manuel & Gilliard, 1952 -- valid
  Acelis crenulatum (Schmarda, 1859) -- invalid
  Acemya favilla Reinhard, 1974 -- valid
  Acentropelma spinulosum (F. O. Pickard-Cambridge, 1897) -- valid
  Aceroides edax J. L. Barnard, 1967 -- valid
  Acetes H. Milne Edwards, 1830 -- valid
  Acetes indicus H. Milne Edwards, 1830 -- valid -- jawla paste shrimp
  Acetes natalensis Barnard, 1955 -- valid
  Achaetoneura stilla Reinhard, 1943 -- invalid
  Achirus punctatus Desjardins, 1837 -- invalid
  Achoerodus gouldii (Richardson, 1843) -- valid -- giant pigfish
  Achorutes boletivorus Packard, 1873 -- invalid
  Achorutes lucifuga (Packard, 1889) -- invalid
  Achorutes pratorum Packard, 1873 -- invalid
  Acidalia punctofimbriata Packard, 1873 -- invalid
  Acidiella bimaculata (Hardy, 1987) -- valid
  Acidiella freyi Hardy, 1970 -- invalid
  Acidiella mimica Hardy, 1974 -- invalid
  Acidostoma obesum ortum J. L. Barnard, 1967 -- valid
  Acidoxantha assita Hardy, 1973 -- valid
  Acidoxantha balabacensis Hardy, 1970 -- valid
  Acidoxantha bifasciata Hardy, 1987 -- valid
  Acidoxantha hibisci Hardy, 1974 -- valid
  Acidoxantha minor Hardy, 1974 -- valid
  Acidoxantha quadrivittata Hardy, 1974 -- valid
  Acidoxantha totoflava Hardy, 1973 -- valid
  Acinia bella Blanchard, 1852 -- invalid
  Acinia cinerea Blanchard, 1852 -- invalid
  Acinia delicatella Blanchard, 1852 -- invalid
  Acinia impluviata Blanchard, 1852 -- invalid
  Acinia marmorata Blanchard, 1852 -- invalid
  Acinia modesta Blanchard, 1852 -- invalid
  Acinia nymphula Blanchard, 1852 -- invalid
  Acinia plagiata Blanchard, 1852 -- invalid
  Acinia simplex Blanchard, 1852 -- invalid
  Acinoeuphranta Hardy, 1971 -- valid
  Acinoeuphranta zeylanica Hardy, 1971 -- valid
  Acipenser transmontanus Richardson, 1836 -- valid -- esturión blanco, white sturgeon
  Aciuropsis Hardy, 1974 -- valid
  Aciuropsis pusio Hardy, 1974 -- valid
  Aclopinae Blanchard, 1850 -- valid
  Aclosma anomala (Barnard, 1940) -- valid
  Acmaeops proteus (Kirby in Richardson, 1837) -- valid
  Acmaeops proteus proteus (Kirby in Richardson, 1837) -- valid
  Acmostomum Schmarda, 1859 -- valid
  Acmostomum (Acmostomum) Schmarda, 1859 -- valid
  Acmostomum crenulatum Schmarda, 1859 -- invalid
  Acmostomum denticulatum Schmarda, 1859 -- valid
  Acoenonia perissa Pritchard, 1947 -- valid
  Acoetes Audouin and Milne-Edwards, 1832 -- valid
  Acontiophorum niveum Fautin, Eppard, and Mead, 1988 -- valid
  Acoridon Adkison, Heard and Hopkins, 1983 -- valid
  Acoridon manningi Adkison, Heard and Hopkins, 1983 -- valid
  Acragas quadriguttatus (F. O. Pickard-Cambridge, 1901) -- valid
  Acrhelia Milne-Edwards and Haime, 1849 -- valid
  Acritus eichelbaumi Bickhardt, 1911 -- valid
  Acritus helferi Reichardt, 1932 -- valid
  Acritus megaponerae Bickhardt in Brauns, 1914 -- valid
  Acritus methneri Bickhardt, 1921 -- valid
  Acritus multipunctus Bickhardt, 1911 -- valid
  Acritus rugosus Bickhardt, 1911 -- valid
  Acritus strigipennis Bickhardt, 1912 -- valid
  Acrocephalus luscinia (Quoy & Gaimard, 1830) -- invalid -- Nightingale Reed-Warbler
  Acrocephalus luscinius (Quoy & Gaimard, 1830) -- valid -- Nightingale Reed-Warbler
  Acrocephalus luscinius luscinius (Quoy & Gaimard, 1830) -- invalid
  Acroceratitis aberrata Hardy, 1973 -- valid
  Acroceratitis adnata Hardy, 1973 -- valid
  Acroceratitis bimacula Hardy, 1973 -- valid
  Acroceratitis cognata Hardy, 1973 -- valid
  Acroceratitis incompleta Hardy, 1973 -- valid
  Acroceratitis septemmaculata Hardy, 1973 -- valid
  Acroceratitis similis Hardy, 1973 -- valid
  Acroceratitis tomentosa Hardy, 1973 -- valid
  Acrodectes Rehn and Hebard, 1920 -- valid
  Acrodectes philopagus Rehn and Hebard, 1920 -- valid
  Acrolister Bickhardt, 1917 -- valid
  Acrolister kleinei Bickhardt, 1918 -- valid
  Acronarista cornuta Reinhard, 1931 -- invalid
  Acronicta valliscola A. Blanchard, 1968 -- valid
  Acrophyma impluviata (Blanchard, 1852) -- invalid
  Acrophyma impluviata (Blanchard in Gay, 1852) -- valid
  Acropora crassa (Milne-Edwards and Haime, 1860) -- valid
  Acropora crateriformis (Gardiner, 1898) -- valid
  Acropora danai (Milne-Edwards and Haime, 1860) -- valid
  Acropora elegans (Milne-Edwards and Haime, 1860) -- valid
  Acropora granulosa (Milne-Edwards and Haime, 1860) -- valid
  Acropora longicyathus (Milne-Edwards and Haime, 1860) -- valid
  Acropora pharaonis (Milne-Edwards and Haime, 1860) -- valid
  Acropora valenciennesi (Milne-Edwards and Haime, 1860) -- valid
  Acrosomoides acrosomoides (O. Pickard-Cambridge, 1879) -- valid
  Acrosothrips Stannard, 1963 -- valid
  Acrotaeniostola interrupta Hardy, 1988 -- valid
  Acrotaeniostola megispilota Hardy, 1974 -- valid
  Acryllium vulturinum (Hardwicke, 1834) -- valid -- Vulturine Guineafowl
  Actaea acantha (H. Milne Edwards, 1834) -- valid -- spinose rubble crab
  Actaea tomentosus (H. Milne Edwards, 1834) -- valid
  Actaletes Giard, 1889 -- valid
  Actaletes neptuni Giard, 1889 -- valid
  Actina brevihirta Hardy, 1932 -- invalid
  Actina brisbanensis Hardy, 1939 -- invalid
  Actina imperfecta Hardy, 1932 -- invalid
  Actina ocinis Hardy, 1932 -- invalid
  Actina silvicola Hardy, 1932 -- invalid
  Actinemys marmorata (Baird and Girard, 1852) -- valid -- Northern Western Pond Turtle, Pacific Pond Turtle, Western Pond Turtle
  Actinemys marmorata marmorata (Baird and Girard, 1852) -- invalid -- Northern Pacific Pond Turtle
  Actineria villosa (Quoy and Gaimard, 1833) -- valid
  Actinia striata Quoy and Gaimard, 1833 -- valid
  Actinodendron alcyonoideum (Quoy and Gaimard, 1833) -- valid
  Actinodendron arboreum (Quoy and Gaimard, 1833) -- valid
  Actinopyga mauritiana (Quoy & Gaimard, 1834) -- valid
  Actinopyga miliaris (Quoy & Gaimard, 1834) -- valid
  Aculepeira aculifera (O. Pickard-Cambridge, 1889) -- valid
  Aculepeira gravabilis (O. Pickard-Cambridge, 1889) -- valid
  Acuminodeutopus J. L. Barnard, 1959 -- valid
  Acuminodeutopus heteruropus J. L. Barnard, 1959 -- valid
  Acuticythereis Edwards, 1944 -- valid
  Acuticythereis laevissima Edwards, 1944 -- valid
  Acutiserolis neaera (Beddard, 1884) -- valid
  Acutomunna foliacea (Chardy, 1975A) -- valid
  Adamsia fusca (Quoy and Gaimard, 1833) -- valid
  Addax Laurillard, 1841 -- valid
  Adelastinae Peloso, Frost, Richards, Rodrigues, Donnellan, Matsui, Raxworthy, Biju, Lemmon et al., 2016 -- valid
  Adelphobates Grant, Frost, Caldwell, Gagliardo, Haddad, Kok, Means, Noonan, Schargel and Wheeler, 2006 -- valid
  Adenoplana obovata (Schmarda, 1859) -- valid
  Adetomyrma Ward, 1994 -- valid
  Adetomyrma venatrix Ward, 1994 -- valid
  Adicella monachus Barnard, 1940 -- valid
  Adinda dollfusi (Richardson Searle, 1922) -- valid
  Adinia Girard, 1859 -- valid -- diamond killifishes
  Adinia multifasciata Girard, 1859 -- invalid
  Admontia badiceps Reinhard, 1958 -- valid
  Admontia offella Reinhard, 1962 -- valid
  Adoxotoma embolica Gardzinska & Zabka, 2010 -- valid
  Adoxotoma nitida Gardzinska & Zabka, 2010 -- valid
  Adoxotoma sexmaculata Gardzinska & Zabka, 2010 -- valid
  Adrama ismayi Hardy, 1986 -- valid
  Adrama nigrifrons Hardy, 1973 -- valid
  Adramoides Hardy, 1973 -- valid
  Adramoides picta Hardy, 1973 -- valid
  Adramoides pictus Hardy, 1973 -- invalid
  Adraneothrips apalus Stannard, 1965 -- valid
  Adraneothrips ephippium Stannard, 1956 -- valid
  Adraneothrips hoffi Stannard, 1956 -- valid
  Adraneothrips vacuus Stannard, 1956 -- valid
  Aedes centrotus Howard, Dyar and Knab, 1917 -- invalid
  Aedes decticus Howard, Dyar and Knab, 1917 -- valid
  Aedes diantaeus Howard, Dyar and Knab, 1913 -- valid
  Aedes euochrus Howard, Dyar and Knab, 1917 -- invalid
  Aedes montcalmi Blanchard, 1905 -- invalid
  Aega acuticauda Richardson, 1910 -- valid
  Aega antennata Richardson, 1910 -- valid
  Aega approximata Richardson, 1910 -- valid
  Aega chelipous Barnard, 1960 -- valid
  Aega deshaysiana H. Milne-Edwards, 1840 -- invalid
  Aega deshaysiana H. Milne-Edwards, 1840 -- valid
  Aega ecarinata Richardson, 1898 -- invalid
  Aega ecarinata H. Richardson, 1898 -- valid
  Aega monilis Barnard, 1914 -- valid
  Aega quadratasinus H. Richardson, 1903 -- valid
  Aega serripes H. Milne-Edwards, 1840 -- valid
  Aega symmetrica H. Richardson, 1905 -- valid
  Aega symmetrica Richardson, 1905 -- invalid
  Aega synopthalma Richardson, 1909 -- valid
  Aega truncata Richardson, 1910 -- valid
  Aega urotoma Barnard, 1914 -- valid
  Aegathoa medialis Richardson, 1900 -- valid
  Aegericiana Locard, 1889 -- invalid
  Aegotheles savesi E. L. Layard & E. L. C. Layard, 1881 -- valid -- Enigmatic Owlet-Nightjar
  Aeletes ctenomyphilus (Bickhardt, 1920) -- valid
  Aelurillus cognatus (O. Pickard-Cambridge, 1872) -- valid
  Aelurillus conveniens (O. Pickard-Cambridge, 1872) -- valid
  Aelurillus politiventris (O. Pickard-Cambridge, 1872) -- valid
  Aenictus Shuckard, 1840 -- valid
  Aenictus ambiguus Shuckard, 1840 -- valid
  Aenictus leliepvrei Bernard, 1953 -- valid
  Aenictus villiersi Bernard, 1953 -- valid
  Aeoloplides fratercula (Hebard, 1919) -- valid
  Aeolosoma headleyi Beddard, 1888 -- valid
  Aeolosomatidae Beddard, 1895 -- valid
  Aepinus septemspinosus (A. Milne-Edwards, 1879) -- valid
  Aequoria punctata Quoy and Gaimard, 1824 -- invalid
  Aeretes melanopterus (Milne-Edwards, 1867) -- valid -- groove-toothed flying squirrel, Northern Chinese Flying Squirrel
  Aeretes melanopterus melanopterus (Milne-Edwards, 1867) -- valid
  Aerodramus vanikorensis (Quoy & Gaimard, 1830) -- valid -- Gray Swiftlet, Uniform Swiftlet
  Aerodramus vanikorensis vanikorensis (Quoy & Gaimard, 1830) -- valid
  Aeropedellus Hebard, 1935 -- valid
  Aeropedellus arcticus Hebard, 1935 -- valid
  Afraflacilla spiniger (O. Pickard-Cambridge, 1872) -- valid
  Africanister camerunus (Bickhardt, 1912) -- valid
  Africanister usambaricus (Bickhardt, 1911) -- valid
  Africodytes kongouensis Bilardo and Rocchi, 1999 -- valid
  Africodytes mopiensis Bilardo and Rocchi, 2010 -- valid
  Africodytes silvestris (Bilardo and Pederzani, 1978) -- valid
  Africophilus basilewskyi Bilardo, 1976 -- valid
  Afrochiltonia K. H. Barnard, 1955 -- valid
  Afrodiaphanes Geisthardt, 2007 -- valid
  Afrodiaphanes marginipennis boreus Geisthardt, 2007 -- valid
  Afrodiaphanes marginipennis rwandanesis Geisthardt, 2007 -- valid
  Afrodiaphanes marginipennis sudanicus Geisthardt, 2007 -- valid
  Afromelecta lieftincki Eardley, 1991 -- valid
  Afrotyphlops gierrai (Mocquard, 1897) -- valid -- Usambara Spotted Worm Snake
  Afticarabodes Fernández, Theron & Rollard, 2013 -- valid
  Agama boensis Monard, 1940 -- valid
  Agama cristata Mocquard, 1905 -- valid -- Insular Agama
  Agama doriae benueensis Monard, 1951 -- valid
  Agamodon compressus Mocquard, 1888 -- valid -- Flat Worm Lizard
  Agapetus agilis (Barnard, 1934) -- valid
  Agapetus avitus Edwards, 1956 -- valid
  Agapetus diacanthus Edwards, 1956 -- valid
  Agapetus hessi Leonard & Leonard, 1949 -- valid
  Agapetus murinus (Barnard, 1934) -- valid
  Agaricia agaricites danai Milne-Edwards and Haime, 1860 -- valid -- scaled lettuce coral
  Agaricia lamarcki Milne-Edwards and Haime, 1851 -- valid -- sheet coral
  Agaricochirus alexandri (A. Milne-Edwards and Bouvier, 1893) -- valid
  Agaricochirus boletifer (A. Milne-Edwards and Bouvier, 1893) -- valid
  Agaricochirus gibbosimanus (A. Milne-Edwards, 1880) -- valid
  Agathomyia Reinhard, 1959 -- invalid
  Agathomyia cordata Reinhard, 1959 -- invalid
  Agathymus neumoegeni (W. H. Edwards, 1882) -- valid -- Orange Giant-Skipper
  Agathymus neumoegeni neumoegeni (W. H. Edwards, 1882) -- valid
  Agauopsis tricuspis Benard, 1962 -- valid
  Agelaius phoeniceus aciculatus Mailliard, 1915 -- valid
  Agelaius phoeniceus floridanus Maynard, 1895 -- valid
  Aglaothorax ovata armiger Rehn and Hebard, 1920 -- valid
  Aglaothorax ovata segnis Rehn and Hebard, 1920 -- valid
  Agononida longipes (A. Milne-Edwards, 1880) -- valid
  Agosia Girard, 1856 -- valid -- longfin daces
  Agosia chrysogaster Girard, 1856 -- valid -- longfin dace, pupo panzaverde
  Agroecotettix modestus aristus (Hebard, 1922) -- valid
  Agroecotettix modestus crypsidomus Hebard, 1922 -- valid
  Agromyza huidobrensis Blanchard, 1926 -- invalid
  Agrothrips tantillus Stannard, 1958 -- valid
  Agulla assimilis (Albarda, 1891) -- valid
  Agulla bicolor (Albarda, 1891) -- valid
  Ailuropoda Milne-Edwards, 1870 -- valid
  Ailurus fulgens refulgens Milne-Edwards, 1874 -- valid
  Aimophila ruficeps duponti Hubbard, 1975 -- valid
  Aimophila ruficeps laybournae Hubbard, 1975 -- valid
  Aimophila ruficeps phillipsi Hubbard & Crossin, 1974 -- valid
  Aimophila ruficeps suttoni Hubbard, 1975 -- valid
  Aiptasiogeton pellucidus (Hollard, 1848) -- valid
  Akermania coronata Barnard, 1949 -- valid
  Akermania paucispinosa Barnard, 1949 -- valid
  Akermania sylvatica Barnard, 1958 -- valid
  Akodon hershkovitzi Patterson, Gallardo and Freas, 1984 -- invalid -- Hershkovitz's Grass Mouse
  Akodon polopi Jayat, Ortiz, Salazar-Bravo, Pardińas and D'Elía, 2010 -- valid
  Alabes dorsalis (Richardson, 1845) -- valid
  Alacia minor (McHardy, 1964) -- valid
  Albericus brevicrus Günther and Richards, 2012 -- invalid
  Albericus pandanicolus Günther and Richards, 2012 -- invalid
  Albericus tuberculus (Richards, Johnston and Burton, 1992) -- invalid
  Albertia Dujardin, 1838 -- valid
  Albertosphoera Caruso & Lombardo, 1983 -- valid
  Albertosphoera algerina Caruso & Lombardo, 1983 -- valid
  Alburnellus Girard, 1856 -- invalid
  Alcalinae Brown, Siler, Richards, Diesmos and Cannatella, 2015 -- valid
  Alcalus Brown, Siler, Richards, Diesmos and Cannatella, 2015 -- valid
  Alces alces cameloides (Milne-Edwards, 1867) -- invalid -- Manchurian elk
  Alces americanus cameloides (Milne-Edwards, 1867) -- valid
  Alciopa Audouin and Milne-Edwards, 1833 -- valid
  Alcirona niponia Richardson, 1909A -- valid
  Alcyonium aurantiacum Quoy and Gaimard, 1834 -- valid
  Aldisa cooperi Robilliard and Baba, 1972 -- valid
  Alectroenas rodericana (Milne-Edwards, 1873) -- invalid
  Alepocephalus australis Barnard, 1923 -- valid
  Alepocephalus australis australis Barnard, 1923 -- valid
  Aleptina junctimacula A. Blanchard, 1984 -- valid
  Aleuteres maculosus Richardson, 1840 -- invalid
  Aleuteres paragaudatus Richardson, 1840 -- invalid
  Aleuterius baueri Richardson, 1846 -- invalid
  Aleuterius brownii Richardson, 1846 -- invalid
  Aleuterius trossulus Richardson, 1846 -- invalid
  Aleuterius variabilis Richardson, 1846 -- invalid
  Algansea Girard, 1856 -- valid
  Algansea bicolor Girard, 1856 -- invalid
  Algansea obesa Girard, 1856 -- invalid
  Alincocallistomyia Hardy, 1986 -- valid
  Alincocallistomyia imitator Hardy, 1986 -- valid
  Alisterus amboinensis dorsalis (Quoy & Gaimard, 1830) -- valid
  Alitropus H. Milne-Edwards, 1840 -- valid
  Alitropus typus H. Milne-Edwards, 1840 -- valid
  Allacrotelsa spinulata (Packard, 1873) -- valid
  Allantis Hérouard, 1902 -- invalid
  Allassostoma Stunkard, 1917 -- valid
  Allassostomoides Stunkard, 1925 -- valid
  Allaxius sculptimanus (Ward, 1942) -- valid
  Allobates juami Simőes, Gagliardi-Urrutia, Rojas-Runjaic and Castroviejo-Fisher, 2018 -- valid
  Allobates picachos (Ardila-Robayo, Acosta-Galvis and Coloma, 2000) -- valid
  Allobatinae Grant, Frost, Caldwell, Gagliardo, Haddad, Kok, Means, Noonan, Schargel and Wheeler, 2006 -- valid
  Alloblackburneus troglodytes (Hubbard, 1894) -- valid
  Allocosa tremens (O. Pickard-Cambridge, 1876) -- valid
  Allodia anglofennica Edwards, 1921 -- valid
  Allodia kingi Edwards, 1925 -- invalid
  Allodia truncata Edwards, 1921 -- valid
  Alloeomyia Hardy, 1986 -- valid
  Alloeomyia flavida Hardy, 1986 -- valid
  Allokepon hendersoni (Giard & Bonnier, 1888B) -- valid
  Allomethus brimleyi Hardy, 1943 -- valid
  Allonautilus Ward and Saunders, 1997 -- valid
  Allonemobius Hebard, 1913 -- valid
  Allonemobius fultoni Howard and Furth, 1986 -- valid
  Allonemobius walkeri Howard and Furth, 1986 -- valid
  Allopauropus (Desmopauropus) Scheller in Scheller and Bernard, 2005 -- invalid
  Allopauropus arbustivus Remy and Bittard, 1956 -- invalid
  Allopauropus bernardi Scheller in Scheller and Bernard, 2005 -- invalid
  Allopauropus cataloocheensis Scheller in Scheller and Bernard, 2005 -- valid
  Allopauropus chauliosetus Scheller in Scheller and Bernard, 2005 -- invalid
  Allopauropus everriculiger Remy and Bittard, 1956 -- invalid
  Allopauropus malagasus Remy and Bittard, 1956 -- valid
  Allopauropus palmatus Remy and Bittard, 1956 -- valid
  Allopauropus parkeri Scheller in Scheller and Bernard, 2005 -- invalid
  Allopauropus pastorianus Remy and Bittard, 1956 -- valid
  Allopauropus porterensis Scheller in Scheller and Bernard, 2005 -- invalid
  Allopauropus purchasensis Scheller in Scheller and Bernard, 2005 -- invalid
  Allopauropus silvicola Remy and Bittard, 1956 -- valid
  Allopauropus stocksi Scheller in Scheller and Bernard, 2005 -- invalid
  Allopauropus virgulatus Scheller in Scheller and Bernard, 2005 -- invalid
  Allophorocera flavitarsa (Reinhard, 1934) -- valid
  Allophorocera picata (Reinhard, 1953) -- valid
  Allophorocera sectilis (Reinhard, 1953) -- valid
  Allopodocotyle Pritchard, 1966 -- valid
  Allorchestes bellabella J. L. Barnard, 1974 -- valid
  Allotanais hirsutus (Beddard, 1886) -- valid
  Allothrips pillichellus aureus Stannard, 1955 -- valid
  Alluaudina Mocquard, 1894 -- valid
  Alluaudina bellyi Mocquard, 1894 -- valid
  Alluroides Beddard, 1894 -- valid
  Alluroides pordagei Beddard, 1894 -- valid
  Alluroides tanganyikae Beddard, 1906 -- valid
  Alma budgetti Beddard, 1903 -- valid
  Alma millsoni (Beddard, 1891) -- valid
  Alma millsoni millsoni (Beddard, 1891) -- valid
  Aloiloi J. L. Barnard, 1970 -- valid
  Aloiloi nenue J. L. Barnard, 1970 -- valid
  Alona barbulata Megard, 1967 -- valid
  Alona circumfimbriata Megard, 1967 -- valid
  Alona setulosa Megard, 1967 -- valid
  Alopecosa exasperans (O. Pickard-Cambridge, 1877) -- valid
  Alopecosa inimica (O. Pickard-Cambridge, 1885) -- valid
  Alopecosa passibilis (O. Pickard-Cambridge, 1885) -- valid
  Alophoixus bres tephrogenys (Jardine & Selby, 1833) -- valid
  Alpaida O. Pickard-Cambridge, 1889 -- valid
  Alpaida championi (O. Pickard-Cambridge, 1889) -- valid
  Alpaida conica O. Pickard-Cambridge, 1889 -- valid
  Alpaida graphica (O. Pickard-Cambridge, 1889) -- valid
  Alpaida septemmammata (O. Pickard-Cambridge, 1889) -- valid
  Alpecanusiana Locard, 1889 -- invalid
  Alpheus armillatus H. Milne Edwards, 1837 -- valid -- banded snapping shrimp
  Alpheus bouvieri A. Milne-Edwards, 1878 -- valid
  Alpheus ventrosus H. Milne-Edwards, 1837 -- invalid
  Alsodes gargola Gallardo, 1970 -- valid
  Alsodes gargola gargola Gallardo, 1970 -- invalid
  Alsophis portoricensis Reinhardt and Lütken, 1862 -- invalid -- Puerto Rican Racer
  Alurnus orbignyi Blanchard in d'Orbigny, 1843 -- valid
  Aluterus anginosus (Hollard in Guichenot, 1853) -- invalid
  Aluterus cultrifrons Hollard, 1855 -- invalid
  Aluterus heudeloti Hollard, 1855 -- invalid
  Aluterus heudelotii Hollard, 1855 -- valid -- dotterel filefish, Dotterel Filefish, lija jaspeada
  Aluterus holbroocki Hollard, 1855 -- invalid
  Alveopora viridis (Quoy and Gaimard, 1833) -- valid
  Alvordius maculatus Girard, 1859 -- invalid
  Alypia octomaculata matuta H. Edwards, 1883 -- valid
  Alypia wittfeldii H. Edwards, 1883 -- valid
  Amakusanthura africana (Barnard, 1914B) -- valid
  Amakusanthura coppingeri (Barnard, 1925A) -- valid
  Amakusanthura dubia (Barnard, 1914B) -- valid
  Amanses sandwichiensis (Quoy & Gaimard, 1824) -- invalid -- brown leatherjacket
  Amara blanchardi Hayward, 1908 -- valid
  Amara bowditchi Hayward, 1908 -- invalid
  Amara coelebs Hayward, 1908 -- valid
  Amara pennsylvanica Hayward, 1908 -- valid
  Amara pterostichina Hayward, 1908 -- valid
  Amara schwarzi Hayward, 1908 -- valid
  Amara thoracica Hayward, 1908 -- valid
  Amaroucium Milne-Edwards, 1841 -- invalid
  Amathimysis Brattegard, 1969 -- valid
  Amathimysis brattegardi K. C. Stuck and Heard, 1981 -- valid
  Amathimysis cherados Brattegard, 1974 -- valid
  Amathimysis gibba Brattegard, 1969 -- valid
  Amathimysis polita Brattegard, 1974 -- valid
  Amatiguakius Coleman and J. L. Barnard, 1991 -- valid
  Amatiguakius forsberghi Coleman and J. L. Barnard, 1991 -- valid
  Amatiquakius Coleman & Barnard, 1991 -- valid
  Amazilia lactea zimmeri (Gilliard, 1941) -- valid
  Amazilia rosenbergi (Boucard, 1895) -- valid -- Purple-chested Hummingbird
  Ambasia atlanticus H. Milne-Edwards -- valid
  Ambasiopsis K. L. Barnard, 1931 -- valid
  Ambasiopsis georgiensis K. L. Barnard, 1932 -- valid
  Ambassis vachellii Richardson, 1846 -- valid
  Ambiaxius alcocki (McArdle, 1900) -- valid
  Amblycorypha floridana carinata Rehn and Hebard, 1914 -- valid
  Amblycorypha insolita Rehn and Hebard, 1914 -- valid
  Amblycoryphenes convena (Reinhard, 1947) -- valid
  Amblycoryphenes ignipes (Reinhard, 1947) -- valid
  Amblycoryphenes putilla (Reinhard, 1947) -- valid
  Amblygobius bynoensis (Richardson, 1844) -- valid -- bynoe's goby, bynoe's goby
  Amblyodipsas unicolor (Reinhardt, 1843) -- valid -- Dull Purple-glossed Snake, Western Purple-glossed Snake
  Amblyomma naponense (Packard, 1869) -- valid
  Amblyonychus trapezoidalis (Bellardi, 1861) -- valid
  Amblyops spinifera Nouvel and Lagardčre, 1976 -- valid
  Amblyops trisetosa Nouvel and Lagardčre, 1976 -- valid
  Amblyrhynchotus Hollard, 1857 -- invalid
  Amblyscirtes aenus W. H. Edwards, 1878 -- valid -- Bronze Roadside-Skipper
  Amblyscirtes aenus aenus W. H. Edwards, 1878 -- valid
  Amblyscirtes cassus W. H. Edwards, 1883 -- valid -- Cassus Roadside-Skipper
  Amblyscirtes eos (W. H. Edwards, 1871) -- valid -- Dotted Roadside-Skipper
  Amblyscirtes nanno W. H. Edwards, 1882 -- invalid
  Amblyscirtes nereus (W. H. Edwards, 1876) -- valid -- Slaty Roadside-Skipper
  Amblyscirtes nilus W. H. Edwards, 1878 -- invalid
  Amblyscirtes nysa W. H. Edwards, 1877 -- valid -- Nysa Roadside-Skipper
  Amblyscirtes phylace (W. H. Edwards, 1878) -- valid -- Orange-headed Roadside-Skipper
  Amblyscirtes simius W. H. Edwards, 1881 -- invalid -- Simius Roadside-Skipper
  Amblyscirtes vialis (W. H. Edwards, 1862) -- valid -- Common Roadside-Skipper
  Amblystoma prosperpine Baird and Girard, 1852 -- invalid
  Amblystoma tenebrosum Baird and Girard, 1852 -- invalid
  Ambrysus cayo Sites and Shepard, 2015 -- valid
  Ambystoma proserpine Baird and Girard, 1852 -- invalid
  Ambystoma tenebrosum Baird and Girard, 1852 -- invalid
  Ambystoma tigrinum proserpine Baird and Girard, 1852 -- invalid
  Amegilla brooksi Eardley, 1994 -- valid
  Amegilla cymatilis Eardley, 1994 -- valid
  Amegilla kalahari Eardley, 1994 -- valid
  Amegilla kuleni Eardley, 1994 -- valid
  Amegilla nila Eardley, 1994 -- valid
  Amegilla penicula Eardley, 1994 -- valid
  Amegilla sierra Eardley, 1994 -- valid
  Ameira speciosa Monard, 1935 -- valid
  Ameiridae Monard, 1927 -- valid
  Ameiropsis ariana Monard, 1928 -- valid
  Ameiurus platycephalus (Girard, 1859) -- valid -- flat bullhead
  Americamysis Price, Heard and L. Stuck, 1994 -- valid
  Americamysis alleni Price, Heard and L. Stuck, 1994 -- valid
  Americamysis stucki Price, Heard and L. Stuck, 1994 -- valid
  Americamysis taironana (Brattegard, 1973) -- valid
  Americhelidium micropleon (J. L. Barnard, 1977) -- valid
  Americorophium aquafuscum (Heard and Sikora, 1972) -- valid
  Ameridion aspersum (F. O. Pickard-Cambridge, 1902) -- valid
  Ametropus Albarda, 1878 -- valid
  Amietophrynus superciliaris chevalieri (Mocquard, 1908) -- invalid
  Ammatomus moneduloides (Packard, 1867) -- invalid
  Ammobates auster Eardley, 1997 -- valid
  Ammodramus aurifrons apurensis (Phelps & Gilliard, 1941) -- valid
  Ammodytes capensis Barnard, 1927 -- invalid -- Cape sand lance
  Ammodytes dubius Reinhardt, 1837 -- valid -- lançon du nord, northern sand lance, offshore sand lance, sand eel
  Ammodytes personatus Girard, 1856 -- valid
  Ammophila punti Guichard, 1988 -- valid
  Ammostyphrus Reichardt, 1924 -- valid
  Ammostyphrus cerberus Reichardt, 1924 -- valid
  Ammotretis lituratus (Richardson, 1844) -- valid
  Amniataba caudavittata (Richardson, 1845) -- valid
  Amniataba caudavittatus (Richardson, 1845) -- invalid
  Amnicusiana Locard, 1889 -- invalid
  Amobia aberrans Reinhard, 1955 -- valid
  Amoea chlorops (Blanchard in Blanchard and Brullé, 1845) -- valid
  Amolops archotaphus (Inger and Chan-ard, 1997) -- valid
  Ampelisca amblyopsoides J. L. Barnard, 1960 -- valid
  Ampelisca bicarinata Goeke and Heard, 1983 -- valid
  Ampelisca brevisimulata J. L. Barnard, 1954 -- valid
  Ampelisca burkei J. L. Barnard and Thomas, 1989 -- valid
  Ampelisca cristoides J. L. Barnard, 1954 -- valid
  Ampelisca hancocki J. L. Barnard, 1954 -- valid
  Ampelisca indentata J. L. Barnard, 1954 -- valid
  Ampelisca mexicana J. L. Barnard, 1954 -- valid
  Ampelisca milleri J. L. Barnard, 1954 -- valid
  Ampelisca panamensis J. L. Barnard, 1954 -- valid
  Ampelisca parapacifica Goeke and Heard, 1984 -- valid
  Ampelisca romigi J. L. Barnard, 1954 -- valid
  Ampelisca shoemakeri J. L. Barnard, 1954 -- valid
  Ampelisca unsocalae J. L. Barnard, 1960 -- valid
  Ampelisciphotis podophthalma (J. L. Barnard, 1958) -- valid
  Amperima furcata (Hérouard, 1899) -- valid
  Amphacanthus argenteus Quoy & Gaimard, 1825 -- invalid
  Amphacanthus maculosus Quoy & Gaimard, 1825 -- invalid
  Amphacanthus marmoratus Quoy & Gaimard, 1825 -- invalid
  Amphacanthus nebulosus Quoy & Gaimard, 1825 -- invalid
  Amphacanthus notostictus Richardson, 1843 -- invalid
  Amphiascoides sterilis (Monard, 1926) -- valid
  Amphiascus dictydiophora Monard, 1924 -- invalid
  Amphiascus gauthieri Monard, 1936 -- valid
  Amphiascus ultimus Monard, 1928 -- valid
  Amphiblestrum solidum (Packard, 1860) -- valid
  Amphibolips Reinhard, 1865 -- valid
  Amphideutopus J. L. Barnard, 1959 -- valid
  Amphideutopus oculatus J. L. Barnard, 1959 -- valid
  Amphiledorus ungoliantae Pekár & Cardoso, 2005 -- valid
  Amphilochus picadurus J. L. Barnard, 1962 -- valid
  Amphionides reynaudii (H. Milne Edwards, 1832) -- valid
  Amphiprion chrysargyrus Richardson, 1846 -- invalid
  Amphiprion melanostolus Richardson, 1842 -- invalid
  Amphiprion rosenbergii Richardson, 1859-60 -- invalid
  Amphiprion rubrocinctus Richardson, 1842 -- valid -- Australian anemonefish, red anemonefish, redgirdled anemonefish
  Amphipsyche exsiliens Barnard, 1984 -- valid
  Amphipsyche sinhala Barnard, 1984 -- valid
  Amphisbaena haughi Mocquard, 1904 -- invalid
  Amphisopus ambiguus Sheard, 1936 -- invalid
  Amphitornus coloradus saltator Hebard, 1937 -- valid
  Amphiuma Garden in Smith, 1821 -- valid -- Amphiumas
  Amphiuma means Garden in Smith, 1821 -- valid -- Two-toed Amphiuma
  Amphiuma means means Garden in Smith, 1821 -- invalid
  Amphiurophilus amphiurae (Hérouard, 1906) -- valid
  Amphizoa carinata Edwards, 1951 -- invalid
  Amphoroidea H. Milne-Edwards, 1840 -- valid
  Amphoroidea typa H. Milne-Edwards, 1840 -- valid
  Ampithoe akuolaka J. L. Barnard, 1970 -- valid
  Ampithoe kaneohe J. L. Barnard, 1970 -- valid
  Ampithoe poipu J. L. Barnard, 1970 -- valid
  Ampithoe waialua J. L. Barnard, 1970 -- valid
  Ampulicidae Shuckard, 1840 -- valid -- ampulicid wasps, cockroach wasps
  Ampulicinae Shuckard, 1840 -- valid
  Ampulicini Shuckard, 1840 -- valid
  Amsichthys Gill and Edwards, 1999 -- valid
  Amuletta abyssorum (Richardson, 1911B) -- valid
  Amydetes praeusta Blanchard in Brullé, 1846 -- valid
  Amydetes preaustus Blanchard in Brullé, 1846 -- invalid
  Amynthas alexandri (Beddard, 1900) -- valid
  Amynthas alexandri alexandri (Beddard, 1900) -- valid
  Amynthas barbadensis (Beddard, 1892) -- invalid
  Amynthas dyeri (Beddard, 1892) -- invalid
  Amynthas esafatae (Beddard, 1899) -- valid
  Amynthas evansi (Beddard, 1900) -- valid
  Amynthas forbesi (Beddard, 1890) -- valid
  Amynthas insulae (Beddard, 1896) -- valid
  Amynthas mastakae (Beddard, 1892) -- valid
  Amynthas minutus (Beddard, 1900) -- invalid
  Amynthas molokaiensis (Beddard, 1896) -- valid
  Amynthas morrisi (Beddard, 1892) -- valid
  Amynthas perkinsi (Beddard, 1896) -- valid
  Amynthas rokugo Beddard, 1892 -- invalid
  Amynthas sanctijacobi (Beddard, 1895) -- valid
  Amynthas sinensis (Beddard, 1892) -- invalid
  Amynthas solomonis (Beddard, 1899) -- valid
  Amynthas tokioensis (Beddard, 1892) -- valid
  Amynthas trinitatis (Beddard, 1896) -- valid
  Amynthas upoluensis (Beddard, 1887) -- valid
  Anaballus Blanchard, 1849 -- valid
  Anabrus spokan Rehn and Hebard, 1920 -- valid
  Anacanthella angustifrons (Hardy, 1932) -- valid
  Anachis lafresnayi (P. Fischer and Bernardi, 1856) -- valid -- well-ribbed dovesnail
  Anacrabro Packard, 1866 -- valid
  Anacrabro ocellatus Packard, 1866 -- valid
  Anacrabro ocellatus ocellatus Packard, 1866 -- valid
  Anagrus putnamii Packard, 1864 -- valid
  Anamaera Thomas and Barnard, 1985 -- valid
  Anamaera hixoni Thomas and J. L. Barnard, 1985 -- valid
  Anamixis falarikia J. L. Barnard, 1965 -- valid
  Anamixis linsleyi J. L. Barnard, 1955 -- valid
  Anamixis pacifica (J. L. Barnard, 1955) -- valid
  Anampses Quoy and Gaimard, 1824 -- valid
  Anampses cuvier Quoy and Gaimard, 1824 -- valid -- 'opule
  Anampses cuvieri Quoy and Gaimard, 1824 -- invalid
  Anampses rubroviridis Liénard in Sauvage, 1891 -- invalid
  Anampses taeniatus Liénard in Sauvage, 1891 -- invalid
  Ananeon Richardson, 2013 -- valid
  Ananeon howardensis Richardson, 2013 -- valid
  Ananthura Barnard, 1925 -- valid
  Ananthura ovalis Barnard, 1925A -- valid
  Ananthura sulcaticauda Barnard, 1925 -- valid
  Anapistula ataecina Cardoso & Scharff, 2009 -- valid
  Anarete anepsia Pritchard, 1951 -- valid
  Anarete edwardsi Pritchard, 1951 -- valid
  Anarete felti Pritchard, 1951 -- valid
  Anaretella iola Pritchard, 1951 -- valid
  Anarhynchus Quoy & Gaimard, 1830 -- valid
  Anarhynchus frontalis Quoy & Gaimard, 1830 -- valid -- Wrybill
  Anarrhichthys felis (Girard, 1858) -- invalid -- wolf eel, wolf eel
  Anarta nigrolunata Packard, 1867 -- valid
  Anasimus A. Milne-Edwards, 1880 -- valid
  Anasimus fugax A. Milne-Edwards, 1880 -- valid
  Anastomus lamelligerus madagascariensis Milne-Edwards, 1880 -- valid
  Anastraphe Hardy, 1968 -- invalid
  Anastrepha aczeli Blanchard, 1961 -- valid
  Anastrepha alveatoides Blanchard, 1961 -- valid
  Anastrepha bosqi Blanchard, 1961 -- invalid
  Anastrepha correntina Blanchard, 1961 -- invalid
  Anastrepha d'angeloi Blanchard, 1961 -- invalid
  Anastrepha dangeloi Blanchard, 1961 -- invalid
  Anastrepha elegans Blanchard, 1937 -- valid
  Anastrepha fraterculus var. acidusaeformis Blanchard, 1961 -- invalid
  Anastrepha fraterculus var. ethaleiforme Blanchard, 1961 -- invalid
  Anastrepha fraterculus var. intensa Blanchard, 1961 -- invalid
  Anastrepha fraterculus var. intermissa Blanchard, 1961 -- invalid
  Anastrepha fraterculus var. retracta Blanchard, 1961 -- invalid
  Anastrepha fraterculus var. subtipica Blanchard, 1961 -- invalid
  Anastrepha fraterculus var. tipica Blanchard, 1961 -- invalid
  Anastrepha goldbachi Blanchard, 1961 -- invalid
  Anastrepha grioti Blanchard, 1941 -- invalid
  Anastrepha haywardi Blanchard, 1937 -- valid
  Anastrepha irradiata Blanchard, 1961 -- valid
  Anastrepha mburucuyae Blanchard, 1961 -- valid
  Anastrepha pastranai Blanchard, 1961 -- valid
  Anastrepha procurvata Blanchard, 1961 -- invalid
  Anastrepha pseudopunctata Blanchard, 1961 -- invalid
  Anastrepha repanda Blanchard, 1961 -- valid
  Anastrepha repanda Blanchard, 1941 -- invalid
  Anastrepha rosilloi Blanchard, 1961 -- valid
  Anastrepha schultzi Blanchard, 1938 -- valid
  Anastrepha schultzi var. obliteratella Blanchard, 1938 -- invalid
  Anastrepha turicai Blanchard, 1961 -- valid
  Anastrepha umbrosa Blanchard, 1961 -- valid
  Anatanais normani (H. Richardson, 1905) -- invalid
  Anatanais normani (Richardson, 1905) -- invalid
  Anatanais normani (Richardson, 1905) -- invalid
  Anatanais normani (Richardson, 1905) -- invalid
  Anatanais normani (Richardson, 1905) -- invalid
  Anatella incisurata Edwards, 1925 -- invalid
  Anathelges mossambica Barnard, 1956 -- valid
  Anathura Barnard, 1925 -- invalid
  Anathura sulcaticauda Barnard, 1925 -- invalid
  Anatrytone logan (W. H. Edwards, 1863) -- valid -- Delaware Skipper
  Anatrytone logan lagus (W. H. Edwards, 1881) -- valid
  Anatrytone logan logan (W. H. Edwards, 1863) -- valid
  Anaxipha scia Hebard, 1915 -- valid
  Anaxyrus boreas (Baird and Girard, 1852) -- valid -- Western Toad
  Anaxyrus boreas boreas (Baird and Girard, 1852) -- invalid -- Boreal Toad
  Anaxyrus boreas halophilus (Baird and Girard, 1853) -- invalid -- Southern California Toad
  Anaxyrus debilis (Girard, 1854) -- valid -- Chihuahuan Green Toad, Eastern Green Toad, Green Toad
  Anaxyrus debilis debilis (Girard, 1854) -- invalid -- Eastern Green Toad
  Anaxyrus debilis insidior (Girard, 1854) -- invalid -- Western Green Toad
  Anaxyrus punctatus (Baird and Girard, 1852) -- valid -- Red-spotted Toad
  Anaxyrus speciosus (Girard, 1854) -- valid -- Texas Toad
  Anaxyrus woodhousii (Girard, 1854) -- valid -- Woodhouse's Toad
  Anaxyrus woodhousii woodhousii (Girard, 1854) -- invalid -- Rocky Mountain Toad
  Ancepitilobus Richardson, 2016 -- valid
  Ancepitilobus howensis Richardson, 2016 -- valid
  Anchiacanthonevra Hardy, 1986 -- valid
  Anchiacanthonevra maculipennis Hardy, 1986 -- valid
  Anchichoerops Barnard, 1927 -- valid
  Anchiphiloscia ocellata (Barnard, 1960) -- valid
  Anchiphimedia K. H. Barnard, 1930 -- valid
  Anchisomus Richardson, 1854 -- invalid
  Anchisomus multistriatus Richardson, 1854 -- invalid
  Anchoa compressa (Girard, 1858) -- valid -- anchoa alta, deepbody anchovy
  Anchoa delicatissima (Girard, 1854) -- valid -- anchoa delicada, slough anchovy
  Anchylomera Milne-Edwards, 1830 -- valid
  Anchylomera blossevillei H. Milne Edwards, 1830 -- valid
  Ancilla lienardi (Bernardi, 1858) -- valid
  Ancinus H. Milne Edwards, 1840 -- valid
  Ancinus daltonae Menzies and J. L. Barnard, 1959 -- invalid
  Ancistronycha lucens Moscardini, 1967 -- valid
  Ancistrorhynchus L'Hardy, 1963 -- valid
  Ancistrorhynchus ischnurus L'Hardy, 1963 -- valid
  Ancylonycha brevicollis Blanchard, 1851 -- invalid
  Ancylonycha cribricollis Blanchard, 1851 -- invalid
  Ancylonycha guadulpensis Blanchard, 1851 -- invalid
  Ancylonycha laticeps Blanchard, 1851 -- invalid
  Ancylonycha puncticollis Blanchard, 1851 -- invalid
  Ancyloxypha arene (W. H. Edwards, 1871) -- valid -- Tropical Least Skipper
  Ancyronyx parumoculata (Hardy, 1852) -- invalid
  Andinaugochlora centralpina Engel & Smith-Pardo, 2004 -- valid
  Andinus Hayward, 1940 -- invalid
  Andrena nigroaenea sarnia Richards, 1979 -- invalid
  Andrena nitidiventris Blanchard, 1840 -- invalid
  Andrias davidianus (Blanchard, 1871) -- valid -- Chinese Giant Salamander
  Andrias davidianus davidianus (Blanchard, 1871) -- invalid -- Chinese Giant Salamander
  Andrias scheuchzeri davidiana (Blanchard, 1871) -- invalid
  Androcotyla Deblock and Heard, 1970 -- valid
  Androloma disparata (H. Edwards, 1884) -- valid
  Aneides aeneus (Cope and Packard, 1881) -- valid -- Green Salamander
  Anelosimus jucundus (O. Pickard-Cambridge, 1896) -- valid
  Anemonactis clavus (Quoy and Gaimard, 1833) -- valid
  Anemonia gracilis (Quoy and Gaimard, 1833) -- valid
  Anemonia milneedwardsii (Milne Edwards, 1857) -- valid
  Anepsion maritatum (O. Pickard-Cambridge, 1877) -- valid
  Anetia flavipalpis Reinhard, 1934 -- invalid
  Anetia parvula Reinhard, 1934 -- invalid
  Anetia procincta Reinhard, 1935 -- invalid
  Angaribia Barnard, 1932 -- valid
  Angaribia kunenensis (Barnard, 1924) -- valid
  Anguilla australis Richardson, 1841 -- valid -- anguila australiana, anguille d'Australie, Australian shortfinned eel, river eel, shortfin eel, shortfinned eel, shortfinned freshwater eel, silver eel
  Anguilla marmorata Quoy and Gaimard, 1824 -- valid -- anguilla moteada gigante, giant mottled eel, grande anguille marbrée, marbled eel
  Angulosaccus Reinhard, 1944 -- valid
  Angulosaccus tenuis Reinhard, 1944 -- valid
  Angustia pallens (Reinhard, 1945) -- valid
  Angustiopsis Reinhard, 1959 -- invalid
  Angustiopsis saginata Reinhard, 1959 -- invalid
  Anicia lucipeda (Reinhard, 1961) -- valid
  Anilocra acuta H. Richardson, 1910 -- valid
  Anilocra cavicauda Richardson, 1910A -- valid
  Anilocra frontalis H. Milne-Edwards, 1840 -- valid
  Anilocra meridionalis Richardson, 1914 -- valid
  Anilocra occidentalis H. Richardson, 1899 -- valid
  Anisagrion kennedyi Leonard, 1937 -- valid
  Anisarchus medius (Reinhardt, 1837) -- valid -- stout eelblenny
  Anisarthrus Giard, 1907 -- valid
  Anisarthrus pelseneeri Giard, 1907 -- valid
  Anisia optata (Reinhard, 1942) -- valid
  Anisia serotina (Reinhard, 1945) -- valid
  Anisochaeta Beddard, 1890 -- valid
  Anisognathus igniventris erythrotus (Jardine & Selby, 1840) -- valid
  Anisognathus lacrymosus tamae (Phelps & Gilliard, 1941) -- valid
  Anisopagurus bartletti (A. Milne-Edwards, 1880) -- valid
  Anisopilothrips Stannard and Mitri, 1962 -- valid
  Anisoscelis flavolineatus Blanchard, 1849 -- invalid
  Anisoscelis flavolineatus flavolineatus Blanchard, 1849 -- invalid
  Annaphila arvalis H. Edwards, 1875 -- valid
  Annaphila casta H. Edwards, 1890 -- valid
  Annaphila lithosina H. Edwards, 1875 -- valid
  Annaphila pustulata H. Edwards, 1881 -- valid
  Annaphila superba H. Edwards, 1875 -- valid
  Anocha celesteana Pritchard, 1960 -- valid
  Anodonta aequorea Locard, 1890 -- invalid
  Anodonta alethinia Locard, 1890 -- invalid
  Anodonta alsatica Locard, 1890 -- invalid
  Anodonta annesiaca Locard, 1890 -- invalid
  Anodonta apala Castro in Locard, 1899 -- invalid
  Anodonta aresta Locard, 1890 -- invalid
  Anodonta arrosa Locard, 1899 -- invalid
  Anodonta arundinum Locard, 1884 -- invalid
  Anodonta auboirica Locard, 1890 -- invalid
  Anodonta autricensis Locard, 1890 -- invalid
  Anodonta avenionensis Locard, 1890 -- invalid
  Anodonta bisuntiensis Locard, 1890 -- invalid
  Anodonta blaca Locard, 1890 -- invalid
  Anodonta borboraeca Bourguignat in Locard, 1882 -- invalid
  Anodonta brebissoni Locard, 1890 -- invalid
  Anodonta burgundina Locard, 1890 -- invalid
  Anodonta cadomensis Locard, 1890 -- invalid
  Anodonta caletengis Locard, 1890 -- invalid
  Anodonta callosaeformis Locard, 1890 -- invalid
  Anodonta campyla Locard, 1884 -- invalid
  Anodonta cariosula Locard, 1890 -- invalid
  Anodonta carvalhopsis Locard, 1890 -- invalid
  Anodonta catocyrta Locard, 1890 -- invalid
  Anodonta catula Locard, 1890 -- invalid
  Anodonta chresimella Locard, 1890 -- invalid
  Anodonta circulus Locard, 1890 -- invalid
  Anodonta coenosella Locard, 1890 -- invalid
  Anodonta coutagnei Locard, 1882 -- invalid
  Anodonta dehonesta Locard, 1890 -- invalid
  Anodonta delicatula Locard, 1890 -- invalid
  Anodonta deperetiana Locard, 1890 -- invalid
  Anodonta desmoulinsiana Locard, 1882 -- invalid
  Anodonta dinellina Locard, 1890 -- invalid
  Anodonta divinita Locard, 1890 -- invalid
  Anodonta doeopsis Locard, 1890 -- invalid
  Anodonta euthymeana Locard, 1884 -- invalid
  Anodonta fastigata Locard, 1890 -- invalid
  Anodonta financei Locard, 1890 -- invalid
  Anodonta florenciana Locard, 1884 -- invalid
  Anodonta foedata Locard, 1890 -- invalid
  Anodonta gabatiformis Locard, 1890 -- invalid
  Anodonta gabilloti Locard, 1890 -- invalid
  Anodonta georgei Bourguignat in Locard, 1882 -- invalid
  Anodonta gibbosula Locard, 1890 -- invalid
  Anodonta glabrella Locard, 1890 -- invalid
  Anodonta glischra Locard, 1890 -- invalid
  Anodonta glossodes Locard, 1890 -- invalid
  Anodonta glycella Locard, 1884 -- invalid
  Anodonta hecartiana Locard, 1884 -- invalid
  Anodonta icana Locard, 1890 -- invalid
  Anodonta idrinopsis Locard, 1890 -- invalid
  Anodonta inaequabilis Locard, 1890 -- invalid
  Anodonta indetrita Locard, 1890 -- invalid
  Anodonta indusiana Locard, 1890 -- invalid
  Anodonta invenusta Locard, 1890 -- invalid
  Anodonta invicta Locard, 1890 -- invalid
  Anodonta issiodurensis Locard, 1890 -- invalid
  Anodonta jurana Locard, 1890 -- invalid
  Anodonta labelliformis Locard, 1890 -- invalid
  Anodonta lacannica Locard, 1890 -- invalid
  Anodonta leprosa Locard, 1899 -- invalid
  Anodonta lortetiana Locard, 1884 -- invalid
  Anodonta loydiana Locard, 1893 -- invalid
  Anodonta manculopsis Locard, 1890 -- invalid
  Anodonta mansueta Locard, 1890 -- invalid
  Anodonta marbozensis Locard, 1890 -- invalid
  Anodonta marcida Locard, 1890 -- invalid
  Anodonta marconi Locard, 1890 -- invalid
  Anodonta marioni Locard, 1890 -- invalid
  Anodonta maristorum Locard, 1890 -- invalid
  Anodonta marsolinae Locard, 1890 -- invalid
  Anodonta mea Locard, 1890 -- invalid
  Anodonta meridionalis Locard, 1890 -- invalid
  Anodonta merularum Locard, 1890 -- invalid
  Anodonta miranella Locard, 1884 -- invalid
  Anodonta mitis Locard, 1890 -- invalid
  Anodonta mitula Locard, 1890 -- invalid
  Anodonta montapasi Locard, 1890 -- invalid
  Anodonta mundegana Castro in Locard, 1899 -- invalid
  Anodonta nanusopsis Locard, 1890 -- invalid
  Anodonta nevirnensis Locard, 1884 -- invalid
  Anodonta nicolloni Locard, 1890 -- invalid
  Anodonta nitefacta Locard, 1890 -- invalid
  Anodonta noeli Locard, 1890 -- invalid
  Anodonta obnixa Locard, 1890 -- invalid
  Anodonta orivalensis Locard, 1890 -- invalid
  Anodonta ovularis Locard, 1890 -- invalid
  Anodonta pamboni Locard, 1890 -- invalid
  Anodonta pelaeca Bourguignat in Locard, 1882 -- invalid
  Anodonta pelecina Locard, 1890 -- invalid
  Anodonta pelophila Castro in Locard, 1899 -- invalid
  Anodonta pentagona Locard, 1890 -- invalid
  Anodonta perardua Locard, 1890 -- invalid
  Anodonta perrieri Locard, 1890 -- invalid
  Anodonta perroudi Locard, 1884 -- invalid
  Anodonta philypna Locard, 1890 -- invalid
  Anodonta ponderiformis Locard, 1890 -- invalid
  Anodonta popularis Locard, 1890 -- invalid
  Anodonta portensis Locard, 1899 -- invalid
  Anodonta pseudodopsis Locard, 1883 -- valid
  Anodonta pygmaea Locard, 1890 -- invalid
  Anodonta pyrenaica Locard, 1890 -- invalid
  Anodonta ripariopsis Locard, 1890 -- invalid
  Anodonta riqueti Locard, 1890 -- invalid
  Anodonta rothomagensis Locard, 1890 -- invalid
  Anodonta rotula Locard, 1890 -- invalid
  Anodonta segnis Locard, 1890 -- invalid
  Anodonta sequanica Bourguignat in Locard, 1882 -- invalid
  Anodonta sigela Locard, 1890 -- invalid
  Anodonta siliquiformis Locard, 1890 -- invalid
  Anodonta simoesi Castro in Locard, 1899 -- invalid
  Anodonta solmanica Locard, 1890 -- invalid
  Anodonta spathuliformis Locard, 1884 -- invalid
  Anodonta spondea Locard, 1890 -- invalid
  Anodonta sterra Locard, 1890 -- invalid
  Anodonta subinornata Locard, 1890 -- invalid
  Anodonta subquadrangulata Locard, 1890 -- invalid
  Anodonta suranica Locard, 1890 -- invalid
  Anodonta thanorella Locard, 1890 -- invalid
  Anodonta thibauti Locard, 1890 -- invalid
  Anodonta thripedesta Locard, 1884 -- invalid
  Anodonta trianguliformis Locard, 1890 -- invalid
  Anodonta trinurcina Locard, 1890 -- invalid
  Anodonta ultronea Locard, 1890 -- invalid
  Anodonta unioniformis Locard, 1890 -- invalid
  Anodonta vaschaldei Locard, 1890 -- invalid
  Anodonta vendeana Locard, 1890 -- invalid
  Anolis distichus dominicensis Reinhardt and Lütken, 1863 -- valid
  Anolis paternus Hardy, 1967 -- valid -- Nueva Gerona Anole
  Anolis paternus paternus Hardy, 1967 -- valid
  Anolis trinitatis Reinhardt and Lütken, 1862 -- valid -- Saint Vincent's Bush Anole, Trinidad Anole
  Anomala carlsoni Hardy, 1976 -- valid
  Anomala latreillei Blanchard, 1851 -- invalid
  Anomaloglossinae Grant, Frost, Caldwell, Gagliardo, Haddad, Kok, Means, Noonan, Schargel and Wheeler, 2006 -- valid
  Anomaloglossus Grant, Frost, Caldwell, Gagliardo, Haddad, Kok, Means, Noonan, Schargel and Wheeler, 2006 -- valid
  Anomaloglossus parkerae (Meinhardt and Parmalee, 1996) -- valid
  Anomalothir frontalis (A. Milne-Edwards, 1879) -- valid
  Anomalurus erythronotus Milne-Edwards, 1879 -- invalid
  Anombrocheir Buckett & Gardner, 1969 -- valid
  Anombrocheir bifurcata Gardner & Buckett, 1969 -- valid
  Anombrocheir spinosa Buckett & Gardner, 1969 -- valid
  Anomoia dividua Hardy, 1987 -- invalid
  Anomoia klossi (Edwards, 1919) -- valid
  Anomoia kraussi Hardy, 1973 -- invalid
  Anomoia melanobasis Hardy, 1974 -- valid
  Anomoia modica Hardy, 1987 -- valid
  Anomoia steyskali Hardy, 1974 -- valid
  Anonyx comecrudus J. L. Barnard, 1971 -- valid
  Anopetia gounellei (Boucard, 1891) -- valid -- Broad-tipped Hermit
  Anopheles amictus (Edwards) -- valid
  Anopheles amictus amictus (Edwards) -- valid
  Anopheles kompi Edwards, 1030 -- valid
  Anoplocapros lenticularis (Richardson, 1841) -- valid
  Anoplocephala Blanchard, 1848 -- valid
  Anoplocephalinae Blanchard, 1891 -- valid
  Anoplomus nigrifemoratus Hardy, 1973 -- valid
  Anoplomus rufipes Hardy, 1973 -- valid
  Anoplotaenia Beddard, 1911 -- valid
  Anopsicus placens (O. Pickard-Cambridge, 1896) -- valid
  Anopsilana luciae (Barnard, 1940) -- valid
  Anourosorex Milne-Edwards, 1872 -- valid
  Anourosorex squamipes Milne-Edwards, 1872 -- valid -- Chinese Mole Shrew, Mole Shrew
  Anser hutchinsii Richardson, 1832 -- invalid
  Anseropoda Nardo, 1834 -- valid
  Ansonia fuliginea (Mocquard, 1890) -- valid
  Ansonia spinulifer (Mocquard, 1890) -- valid
  Ansonia spinulifera (Mocquard, 1890) -- invalid
  Antarctonomus complanatus (Blanchard, 1843) -- valid
  Antarcturus abyssicola (Beddard, 1886) -- valid
  Antarcturus floridanus (H. Richardson, 1900) -- invalid
  Antarcturus glacialis (Beddard, 1886) -- valid
  Antarcturus hirsutus (H. Richardson, 1904) -- valid
  Antarcturus hodgsoni Richardson, 1913 -- valid
  Antarcturus myops (Beddard, 1886) -- valid
  Antarcturus spinifrons (Beddard, 1886) -- valid
  Antatelson J. L. Barnard, 1972 -- valid
  Antennarius maculatus (Desjardins, 1840) -- valid -- warty frogfish
  Antennuloniscus dilatatus Chardy, 1974C -- valid
  Antennuloniscus dimeroceras (Barnard, 1920) -- valid
  Antepione Packard, 1876 -- valid
  Antepione imitata H. Edwards, 1884 -- valid
  Antepione indiscretata (H. Edwards, 1884) -- invalid
  Antepione sulphurata (Packard, 1876) -- invalid
  Anthanassa texana (W. H. Edwards, 1863) -- valid
  Anthanassa texana texana (W. H. Edwards, 1863) -- valid
  Anthelura remipes Barnard, 1914 -- invalid
  Anthias salmopunctatus Lubbock and Edwards, 1981 -- valid
  Anthidium collectum Huard, 1896 -- valid
  Anthidium pictifrons Packard, 1869 -- invalid
  Anthocharis cethura morrisoni W. H. Edwards, 1881 -- valid
  Anthocharis cethura pima W. H. Edwards, 1888 -- valid -- Pima Orangetip
  Anthocharis sara julia W. H. Edwards, 1872 -- valid
  Anthocharis sara stella W. H. Edwards, 1879 -- valid -- 'Stella' Sara Orangetip
  Anthomuda affinis (Richardson, 1902) -- valid
  Anthophora abrochia Eardley and Brooks, 1989 -- valid
  Anthophora albitomentosa Eardley and Brooks, 1989 -- valid
  Anthophora auone Eardley and Brooks, 1989 -- valid
  Anthophora conica Packard, 1869 -- invalid
  Anthophora flaviscopa Eardley and Brooks, 1989 -- valid
  Anthophora flavocincta Huard, 1897 -- valid
  Anthophora krugeri Eardley and Brooks, 1989 -- valid
  Anthophora namaquensis Eardley and Brooks, 1989 -- valid
  Anthophora pilifrons Packard, 1869 -- valid
  Anthophora strucki Eardley and Brooks, 1989 -- valid
  Anthosoma crassum (Abildgaard, 1794) -- valid
  Anthreptes fraseri Jardine & Selby, 1843 -- invalid
  Anthreptes rectirostris tephrolaemus (Jardine & Fraser, 1852) -- valid
  Antillophis andreai (Reinhardt and Lütken, 1862) -- invalid
  Antillophos beauii (P. Fischer and Bernardi, 1857) -- valid
  Antillothrips Stannard, 1957 -- valid
  Antipatharia Milne-Edwards and Haime, 1857 -- valid -- black corals, thorny corals
  Antisophira Hardy, 1974 -- valid
  Antisophira vittata Hardy, 1974 -- valid
  Antissella angustifrons Hardy, 1932 -- invalid
  Antongilibodes Fernández, Theron, Leiva, Rollard & Tiedt, 2014 -- valid
  Antopocerus Hardy, 1965 -- valid
  Antopocerus aduncus Hardy, 1965 -- valid
  Antopocerus arcuatus Hardy, 1965 -- valid
  Antopocerus diamphidiopodus Hardy, 1965 -- valid
  Antopocerus entrichocnemus Hardy, 1965 -- valid
  Antopocerus orthopterus Hardy, 1965 -- valid
  Antopocerus tanythrix Hardy, 1965 -- valid
  Antopocerus villosus Hardy, 1965 -- valid
  Antromysis almyra (Brattegard, 1977) -- invalid
  Antromysis bahamensis (Brattegard, 1969) -- invalid
  Antrozous bunkeri Hibbard, 1934 -- invalid
  Antrozous pallidus bunkeri Hibbard, 1934 -- valid
  Anura gibbosa Packard, 1873 -- invalid
  Anuropus Beddard, 1886 -- valid
  Anuropus branchiatus Beddard, 1886 -- valid
  Anzamyia Reinhard, 1960 -- invalid
  Aonidiella Berlese and Leonardi, 1895 -- valid
  Aoroides nahili J. L. Barnard, 1970 -- valid
  Aoteapsyche philpotti (Tillyard, 1924) -- valid
  Apalis flavida abyssinica Erard, 1974 -- valid
  Apanteles argentinensis Blanchard, 1937 -- invalid
  Apanteles bordagei Girard, 1898 -- valid
  Apanteles bruchi Blanchard, 1941 -- valid
  Apanteles crispulae Blanchard, 1943 -- valid
  Apanteles crouzeli Blanchard, 1947 -- valid
  Apanteles deltinea Blanchard, 1961 -- invalid
  Apanteles desantisi Blanchard, 1947 -- valid
  Apanteles gaytotini Blanchard, 1959 -- valid
  Apanteles geometraephagus Blanchard, 1939 -- invalid
  Apanteles haywardi Blanchard, 1947 -- valid
  Apanteles icarti Blanchard, 1960 -- valid
  Apanteles koehleri Blanchard, 1942 -- invalid
  Apanteles lavignei Blanchard, 1959 -- valid
  Apanteles metacarpellatus Blanchard, 1963 -- valid
  Apanteles mysticus Blanchard, 1961 -- invalid
  Apanteles nephoptericis (Packard, 1864) -- valid
  Apanteles pastranai Blanchard, 1960 -- valid
  Apanteles pentagonalis Blanchard, 1963 -- valid
  Apanteles piceotrichosus Blanchard, 1947 -- valid
  Apanteles platyptiliovorus Blanchard, 1965 -- valid
  Apanteles platystigma Blanchard, 1938 -- invalid
  Apanteles speocropiae Blanchard, 1941 -- invalid
  Apanteles subandinus Blanchard, 1947 -- valid
  Apanteles subcristatus Blanchard, 1936 -- valid
  Apanteles veronesi Blanchard, 1940 -- invalid
  Apanthura crucis (Barnard, 1925A) -- valid
  Apanthura senegalensis Barnard, 1925A -- valid
  Apatania muliebris scherfi Burkhardt & Tobias, 1982 -- valid
  Aphaenogaster isekram Bernard, 1977 -- valid
  Aphaenogaster saharensis Bernard, 1953 -- valid
  Aphaniosoma macalpinei Hardy and Delfinado, 1980 -- valid
  Aphaniosoma minuta Hardy and Delfinado, 1980 -- valid
  Aphanius Nardo, 1827 -- valid
  Aphantaulax trifasciata (O. Pickard-Cambridge, 1872) -- valid
  Aphantaulax trifasciata trifasciata (O. Pickard-Cambridge, 1872) -- valid
  Aphantorhapha atoma Reinhard, 1947 -- invalid
  Aphantorhapha hurdi Reinhard, 1959 -- invalid
  Aphelinus lapisligni Howard -- valid -- clover aphid parasite
  Apherusa jurinei H. Milne-Edwards -- valid
  Aphodius troglodytes Hubbard, 1894 -- invalid -- Aphodius tortoise commensal scarab
  Aphonopelma hentzi (Girard, 1852) -- valid -- Texas brown tarantula
  Aphonopelma pallidum (F. O. Pickard-Cambridge, 1897) -- valid
  Aphonopelma seemanni (F. O. Pickard-Cambridge, 1897) -- valid -- Costa Rican zebra tarantula
  Aphonopelma truncatum (F. O. Pickard-Cambridge, 1897) -- valid
  Apiomerus erythromelas Blanchard, 1840 -- valid
  Apiomerus sanguineomaculatus Blanchard, 1846 -- valid
  Apis leprieuri (Blanchard, 1849) -- invalid
  Apis mellifera ruttneri Sheppard, Arias, Grech and Meixner, 1998 -- invalid
  Aplidium densum (Giard, 1872) -- valid
  Aploactis aspera (Richardson, 1845) -- valid
  Aploactisoma milesii (Richardson, 1850) -- valid -- velvetfish
  Aplodactylus arctidens Richardson, 1839 -- valid
  Aplodactylus meandratus Richardson, 1842 -- invalid -- marblefish, marblefish
  Aplodes brunnearia Packard, 1876 -- invalid
  Aplodontia Richardson, 1829 -- valid -- Mountain Beaver
  Aplodontia leporina Richardson, 1829 -- invalid
  Aplomya doloma Reinhard, 1958 -- invalid
  Aplomyiopsis angustipennis Reinhard, 1964 -- invalid
  Aplonis tabuensis fortunae E. L. Layard, 1876 -- valid
  Aplonis tabuensis vitiensis E. L. Layard, 1876 -- valid
  Aplonis zelandica (Quoy & Gaimard, 1830) -- valid -- Rusty-winged Starling
  Aplonis zelandica rufipennis E. L. Layard, 1881 -- valid
  Aplonis zelandica zelandica (Quoy & Gaimard, 1830) -- valid
  Apluodontia Richardson, 1837 -- invalid
  Aplysia juliana Quoy and Gaimard, 1832 -- valid -- walking seahare
  Aplysina Nardo, 1834 -- valid
  Apobletes planidorsum Bickhardt, 1912 -- valid
  Apobletes planidorsus Bickhardt, 1912 -- invalid
  Apochthonius coecus (Packard, 1884) -- valid
  Apocremnus Milne Edwards, 1878 -- invalid
  Apocremnus Milne-Edwards, 1878 -- invalid
  Apodemia duryi (W. H. Edwards, 1882) -- valid
  Apodemia mormo cythera (W. H. Edwards, 1873) -- valid
  Apodemia mormo duryi (W. H. Edwards, 1882) -- invalid
  Apodemia nais (W. H. Edwards, 1877) -- valid -- Nais Metalmark
  Apodemia palmeri (W. H. Edwards, 1870) -- invalid -- Palmer's Metalmark
  Apodemia palmerii (W. H. Edwards, 1870) -- valid
  Apodemia palmerii palmerii (W. H. Edwards, 1870) -- valid
  Apodemus chevrieri (Milne-Edwards, 1868) -- valid -- Chevrier's Field Mouse
  Apodichthys Girard, 1854 -- valid -- eel-like blennies, gunnels
  Apodichthys flavidus Girard, 1854 -- valid -- penpoint gunnel
  Apodrassodes Vellard, 1924 -- valid
  Apodrassodes guatemalensis (F. O. Pickard-Cambridge, 1899) -- valid
  Apogon duops Barnard, 1927 -- invalid
  Apogon fasciatus Quoy and Gaimard, 1825 -- invalid
  Apogon fuscus Quoy and Gaimard, 1825 -- valid
  Apolochus kailua (J. L. Barnard, 1970) -- valid
  Apolochus likelike (J. L. Barnard, 1970) -- valid
  Apolochus menehune (J. L. Barnard, 1970) -- valid
  Apolochus picadurus (J. L. Barnard, 1962) -- valid
  Apolochus pillaii (J. L. Barnard and Thomas, 1983) -- valid
  Apomotis obesus (Girard, 1854) -- invalid
  Apopodocotyle Pritchard, 1966 -- valid
  Aporhynchus menezesi Noever, Caira, Kuchta & Desjardins, 2010 -- valid
  Aporhynchus pickeringae Noever, Caira, Kuchta & Desjardins, 2010 -- valid
  Aporobopyrus curtatus (H. Richardson, 1904) -- valid
  Apospasma famelicrum Hardy, 1921 -- invalid
  Apostolepis assimilis (Reinhardt, 1861) -- valid -- Reinhardt's Burrowing Snake
  Apricia Richardson, 2016 -- valid
  Apricia longipalpis Richardson, 2016 -- valid
  Aprionus asemus Pritchard, 1947 -- valid
  Apristurus saldanha (Barnard, 1925) -- valid -- Saldanha catshark
  Apseudes agulhensis Barnard, 1920 -- valid
  Apseudes antarcticus Beddard, 1886 -- valid
  Apseudes armatus Richardson, 1911 -- valid
  Apseudes australis Barnard, 1920 -- invalid
  Apseudes austroafricanus Barnard, 1940 -- invalid
  Apseudes avicularia Barnard, 1914 -- invalid
  Apseudes deltoides Barnard, 1914 -- valid
  Apseudes galapagensis Richardson, 1913 -- valid
  Apseudes gymnophobia Barnard, 1935 -- invalid
  Apseudes latreillei (Milne-Edwards, 1828) -- valid
  Apseudes leptodactylus (Beddard, 1886) -- invalid
  Apseudes meridionalis Richardson, 1912 -- valid
  Apseudes propinquus H. Richardson, 1902 -- valid
  Apseudes triangulatus Richardson, 1903 -- valid
  Apseudomorpha avicularia (Barnard, 1914) -- valid
  Apsicephalus Hollard, 1857 -- invalid
  Aptenopedes aptera borealis Hebard, 1936 -- valid
  Aptenopedes aptera coquinae Hebard, 1936 -- valid
  Aptenopedes aptera saturiba Hebard, 1936 -- valid
  Aptenopedes aptera simplex Hebard, 1936 -- valid
  Aptenopedes hubbelli Hebard, 1936 -- valid
  Aptenopedes nigropicta Hebard, 1936 -- valid
  Aptenopedes robusta Hebard, 1936 -- valid
  Aptenopedes sphenarioides appalachee Hebard, 1936 -- valid
  Apteronotus brasiliensis (Reinhardt, 1852) -- valid
  Aptilotus pulex (Richards, 1967) -- valid
  Apulvillus cinereifacies Hardy, 1965 -- valid
  Apulvillus femoralis Hardy, 1965 -- valid
  Apus aequalis Packard, 1871 -- invalid
  Apus himalayensis Packard, 1871 -- invalid
  Apus lucasanus Packard, 1871 -- invalid
  Apus newberryi Packard, 1871 -- invalid
  Apus ovamboensis Barnard, 1924 -- invalid
  Apus unicolor (Jardine, 1830) -- valid -- Plain Swift
  Arachnis picta Packard, 1864 -- valid
  Aragualna Champanhet, Boulard and Gaiani, 2000 -- valid
  Aragualna plenalinea Champanhet, Boulard and Gaiani, 2000 -- valid
  Aramides cajanea latens Bangs & T. E. Penard, 1918 -- valid
  Araneus anguinifer (F. O. Pickard-Cambridge, 1904) -- valid
  Araneus bigibbosus (O. Pickard-Cambridge, 1885) -- valid
  Araneus carnifex (O. Pickard-Cambridge, 1885) -- valid
  Araneus concoloratus (F. O. Pickard-Cambridge, 1904) -- valid
  Araneus detrimentosus (O. Pickard-Cambridge, 1889) -- valid
  Araneus expletus (O. Pickard-Cambridge, 1889) -- valid
  Araneus flavus (O. Pickard-Cambridge, 1894) -- valid
  Araneus gibber (O. Pickard-Cambridge, 1885) -- valid
  Araneus gurdus (O. Pickard-Cambridge, 1885) -- valid
  Araneus habilis (O. Pickard-Cambridge, 1889) -- valid
  Araneus haruspex (O. Pickard-Cambridge, 1885) -- valid
  Araneus liber (Leardi, 1902) -- valid
  Araneus lineatipes (O. Pickard-Cambridge, 1889) -- valid
  Araneus paenulatus (O. Pickard-Cambridge, 1885) -- valid
  Araneus panniferens (O. Pickard-Cambridge, 1885) -- valid
  Araneus pellax (O. Pickard-Cambridge, 1885) -- valid
  Araneus praedatus (O. Pickard-Cambridge, 1885) -- valid
  Araneus rufipes (O. Pickard-Cambridge, 1889) -- valid
  Arasia eucalypti Gardzinska, 1996 -- valid
  Aratinga nana vicinalis (Bangs & T. E. Penard, 1919) -- valid
  Aratus H. Milne Edwards, 1853 -- valid
  Aratus pisonii (H. Milne Edwards, 1837) -- valid -- mangrove tree crab
  Archaebranchinecta pollicifera (Harding, 1940) -- valid
  Archaeoceania tournieri Picard and Rahm, 1954 -- invalid
  Archboldia papuensis sanfordi Mayr & Gilliard, 1950 -- valid
  Archboldia sanfordi Mayr & Gilliard, 1950 -- invalid
  Archidistoma productum (Milne-Edwards, 1841) -- valid
  Archimimus camatus Reinhard, 1952 -- valid
  Archisotoma besselsi (Packard, 1877) -- invalid
  Archisotoma besselsii (Packard, 1877) -- valid
  Archoplites interruptus (Girard, 1854) -- valid -- Sacramento perch
  Arctia opulenta (H. Edwards, 1881) -- valid
  Arctocestus Haukisalmi, Hardman, Hoberg & Henttonen, 2014 -- valid
  Arctodium planum (Blanchard, 1850) -- valid
  Arctonyx collaris leucolaemus (Milne-Edwards, 1867) -- invalid
  Arctopsis Barnard, 1920 -- valid
  Arctosa depuncta (O. Pickard-Cambridge, 1876) -- valid
  Arctosa deserta (O. Pickard-Cambridge, 1872) -- valid
  Arctosa dissonans (O. Pickard-Cambridge, 1872) -- valid
  Arctosa minuta F. O. Pickard-Cambridge, 1902 -- valid
  Arctotanais alascensis (Richardson, 1899) -- valid
  Arctozenus borealis (Reinhardt, 1837) -- invalid
  Arcturella brevipes Barnard, 1920 -- valid
  Arcturella lobulata Barnard, 1925B -- valid
  Arcturella longipes Barnard, 1920 -- valid
  Arcturella pustulata Barnard, 1920 -- valid
  Arcturides acuminatus Sheppard, 1957 -- valid
  Arcturina hexagonalis Barnard, 1925B -- valid
  Arcturina triangularis Barnard, 1957A -- valid
  Arcturus caribbaeus Richardson, 1901 -- valid
  Arcturus crassispinis Richardson, 1909A -- valid
  Arcturus diversispinis H. Richardson, 1909 -- valid
  Arcturus granulatus Richardson, 1909A -- valid
  Arcturus hastiger Richardson, 1909A -- valid
  Arcturus magnispinis Richardson, 1909A -- valid
  Arcturus parvus Richardson, 1910A -- valid
  Arcturus purpureus Beddard, 1886 -- valid
  Arcturus tritaeniatus H. Richardson, 1909 -- invalid
  Ardea humbloti Milne-Edwards & A. Grandidier, 1885 -- valid -- Humblot's Heron
  Arenicolides branchialis Audouin and Milne-Edwards, 1833 -- valid
  Arenivaga grata Hebard, 1920 -- valid -- pleasant sand cockroach
  Arenivaga rehni Hebard, 1917 -- valid -- Rehn's sand cockroach
  Arenivaga tonkawa Hebard, 1920 -- valid -- Tonkawa sand cockroach
  Arenophryne xiphorhyncha Doughty and Edwards, 2008 -- valid
  Arethaea ambulator Hebard, 1936 -- valid
  Arethaea arachnopyga Rehn and Hebard, 1914 -- valid
  Arethaea constricta comanche Hebard, 1936 -- valid
  Arethaea coyotero Hebard, 1935 -- valid
  Arethaea gracilipes cerciata Hebard, 1936 -- valid
  Arethaea gracilipes papago Hebard, 1935 -- valid
  Arethaea mescalero Hebard, 1936 -- valid
  Arethaea phantasma Rehn and Hebard, 1914 -- valid
  Arethaea polingi Hebard, 1935 -- valid
  Arethaea semialata Rehn and Hebard, 1914 -- valid
  Argathona setosa Richardson, 1910A -- valid
  Argathona sulcata Richardson, 1910A -- valid
  Argiacris Hebard, 1918 -- valid
  Argiacris rehni Hebard, 1918 -- valid
  Argiope blanda O. Pickard-Cambridge, 1898 -- valid
  Argogorytes fargeii (Shuckard, 1837) -- valid
  Argyrodes abscissus O. Pickard-Cambridge, 1880 -- valid
  Argyrodes antipodianus O. Pickard-Cambridge, 1880 -- valid
  Argyrodes argentatus O. Pickard-Cambridge, 1880 -- valid
  Argyrodes fissifrons O. Pickard-Cambridge, 1869 -- valid
  Argyrodes fissifrons fissifrons O. Pickard-Cambridge, 1869 -- valid
  Argyrodes flavescens O. Pickard-Cambridge, 1880 -- valid
  Argyrodes lepidus O. Pickard-Cambridge, 1880 -- valid
  Argyrodes mellissi (O. Pickard-Cambridge, 1870) -- valid
  Argyrodes minax O. Pickard-Cambridge, 1880 -- valid
  Argyrodes nasutus O. Pickard-Cambridge, 1880 -- valid
  Argyrodes samoensis O. Pickard-Cambridge, 1880 -- valid
  Argyrodes scintillulanus O. Pickard-Cambridge, 1880 -- valid
  Arhagidia Lindquist & Zacharda, 1987 -- valid
  Arhynchobdellida Blanchard, 1894 -- valid
  Arhythmorhynchus macracanthus Ward and Winter, 1952 -- invalid
  Ariadna gracilis Vellard, 1924 -- valid
  Ariadne mellissii O. Pickard-Cambridge, 1870 -- invalid
  Ariamnes attenuatus O. Pickard-Cambridge, 1881 -- valid
  Ariamnes pavesii Leardi, 1902 -- valid
  Ariamnes simulans O. Pickard-Cambridge, 1892 -- valid
  Aricia cuvierii Audouin and Milne-Edwards, 1833 -- invalid
  Aricia latreillii Audouin and Milne-Edwards, 1833 -- invalid
  Arilus spiniceps Blanchard, 1843 -- valid
  Aristeus antillensis A. Milne-Edwards and Bouvier, 1909 -- valid -- purplehead gamba prawn
  Aristeus splendens Richard, 1900 -- invalid
  Aristias adrogans J. L. Barnard, 1964 -- valid
  Aristias expers J. L. Barnard, 1967 -- valid
  Aristiopsis J. L. Barnard, 1961 -- valid
  Aristiopsis tacitus J. L. Barnard, 1961 -- valid
  Arius arafurensis Hardenburg, 1948 -- invalid
  Arius falcarius Richardson, 1845 -- invalid
  Arius sagoroides Hardenburg, 1941 -- invalid
  Arizona elegans occidentalis Blanchard, 1924 -- valid -- California Glossy Snake, Painted Desert Glossy Snake, Western Glossy Snake
  Arizona occidentalis Blanchard, 1924 -- invalid -- California Glossy Snake
  Armadillidium sulcatum H. Milne-Edwards, 1840 -- valid
  Armadillo ankaratrae Barnard, 1958 -- valid
  Armadillo euthele Barnard, 1958 -- valid
  Armadillo exter Barnard, 1960 -- valid
  Armadillo haedillus Barnard, 1968 -- valid
  Armadillo makuae Barnard, 1932 -- valid
  Armadillo obliquedens Barnard, 1932 -- valid
  Armadillo rhodesiensis Barnard, 1932 -- valid
  Armadillo salisburyensis Barnard, 1932 -- valid
  Armadillo transpilosus Barnard, 1960 -- valid
  Armadilloniscus lindahli (H. Richardson, 1905) -- valid
  Armadilloniscus steptus Schotte & Heard, 1991 -- valid
  Armases ricordi (H. Milne Edwards, 1853) -- valid -- humic marsh crab
  Aromobatidae Grant, Frost, Caldwell, Gagliardo, Haddad, Kok, Means, Noonan, Schargel and Wheeler, 2006 -- valid
  Aromobatinae Grant, Frost, Caldwell, Gagliardo, Haddad, Kok, Means, Noonan, Schargel and Wheeler, 2006 -- valid
  Arractocetus blairi (Gardner, 1936) -- valid
  Arremon perijanus (Phelps & Gilliard, 1940) -- valid -- Perija Brush Finch
  Arremon torquatus perijanus (Phelps & Gilliard, 1940) -- invalid
  Arrhopalites ferruginaeus (Packard, 1888) -- invalid
  Arrosiana Locard, 1890 -- invalid
  Artamus mentalis Jardine, 1845 -- valid -- Fiji Woodswallow
  Artediellus uncinatus (Reinhardt, 1834) -- valid -- Arctic hookear sculpin, hameçon neigeux
  Artedius Girard, 1856 -- valid
  Artedius lateralis (Girard, 1854) -- valid -- charrasco cabeza lisa, smoothhead sculpin
  Artedius notospilotus Girard, 1856 -- valid -- bonehead sculpin, bonyhead sculpin, charrasco huesudo
  Artemita nana (Bellardi, 1862) -- valid
  Arthroleptis gabonensis Mocquard, 1897 -- invalid
  Arthrophryxus H. Richardson, 1908 -- valid
  Arthrophryxus beringanus H. Richardson, 1908 -- valid
  Artioposthia civis Cardale, 1941 -- valid
  Artopoles Barnard, 1920 -- valid
  Artopoles capensis Barnard, 1955A -- valid
  Artopoles natalis Barnard, 1920 -- valid
  Aruga holmesi J. L. Barnard, 1955 -- valid
  Arugella ewa (J. L. Barnard, 1970) -- valid
  Arugisa watsoni Richards, 1941 -- invalid
  Arvicola helvolus Richardson, 1828 -- invalid
  Arvicola rubricatus Richardson, 1839 -- invalid
  Arvicola trimucronatus Richardson, 1825 -- invalid
  Asaccus caudivolvulus Arnold and Gardner, 1994 -- valid
  Asaccus montanus Gardner, 1994 -- valid
  Asaccus platyrhynchus Arnold and Gardner, 1994 -- valid
  Asceua wallacei Bosmans & Hillyard, 1990 -- valid
  Ascothorax bulbosus Heegaard, 1951 -- valid
  Aselas Barnard, 1934 -- valid
  Aselas camella Barnard, 1934 -- valid
  Asellopsis duboscqui Monard, 1928 -- valid
  Asellus attenuatus H. Richardson, 1900 -- invalid
  Asemonea O. Pickard-Cambridge, 1869 -- valid
  Asemonea tenuipes (O. Pickard-Cambridge, 1869) -- valid
  Asemoplus sierranus Hebard, 1936 -- valid
  Ashtabula dentata F. O. Pickard-Cambridge, 1901 -- valid
  Asilus humilis Bellardi, 1861 -- invalid
  Asilus truquii Bellardi, 1861 -- invalid
  Asioplax isabelia Baumgardner, Meyer and McCafferty, 2006 -- valid
  Asioplax numinuh Wiersema, McCafferty and Baumgardner, 2001 -- valid
  Aspatharia pfeifferiana (Bernardi, 1860) -- valid
  Asphinctopone lamottei Bernard, 1953 -- valid
  Asphondylia photiniae Pritchard, 1952 -- valid
  Aspicottus Girard, 1854 -- invalid
  Aspidolister Bickhardt, 1920 -- valid
  Aspidolister laticeps Bickhardt, 1920 -- valid
  Aspidontus Cuvier in Quoy and Gaimard, 1834 -- valid
  Aspidontus taeniatus Quoy and Gaimard, 1834 -- valid -- threadfin blenny, threadfin blenny
  Aspidosiphon elegans (Chamisso and Eysenhardt, 1821) -- valid
  Aspidosiphon elegans elegans (Chamisso and Eysenhardt, 1821) -- invalid
  Aspilates pervaria Packard, 1873 -- invalid
  Aspisoma concoloripenne (Blanchard in Brullé, 1846) -- valid
  Aspisoma fenestratum (Blanchard in Brullé, 1846) -- valid
  Aspisoma ovale Blanchard in Brullé, 1846 -- valid
  Aspitates aberrata (H. Edwards, 1884) -- valid
  Aspitates aberratus (H. Edwards, 1884) -- invalid
  Asseclamyia Reinhard, 1956 -- valid
  Asseclamyia sphenofrons Reinhard, 1956 -- valid
  Assiculus Richardson, 1846 -- valid
  Assiculus punctatus Richardson, 1846 -- valid
  Astacoides madagascarensis (H. Milne Edwards and Audouin, 1839) -- valid
  Astacus australasiensis H. Milne Edwards, 1837 -- invalid
  Astacus chilensis H. Milne Edwards, 1837 -- invalid
  Astacus madagascarensis H. Milne Edwards and Audouin, 1839 -- invalid
  Astalotesia Ferguson, A. Blanchard and Knudson, 1983 -- valid
  Astalotesia bucurvata A. Blanchard and Knudson, 1983 -- valid
  Astarte rollandi Bernardi, 1859 -- invalid
  Astata australasiae Shuckard, 1838 -- valid
  Astata provincialis Richards, 1928 -- invalid
  Asteia aberrans Hardy and Delfinado, 1980 -- valid
  Asteia mauiensis Hardy and Delfinado, 1980 -- valid
  Asteia molokaiensis Hardy and Delfinado, 1980 -- valid
  Asteia montgomeryi Hardy and Delfinado, 1980 -- valid
  Asteia palikuensis Hardy and Delfinado, 1980 -- valid
  Asteia sabroskyi Hardy and Delfinado, 1980 -- valid
  Asterias angulosa Abildgaard in O. F. Müller, 1788 -- invalid
  Asterina Nardo, 1834 -- valid
  Asterina minuta Nardo, 1834 -- invalid
  Asterocampa celtis antonia (W. H. Edwards, 1878) -- valid
  Asterocampa clyton flora (W. H. Edwards, 1876) -- valid
  Asterocampa leilia (W. H. Edwards, 1874) -- valid -- Empress Leilia
  Asterophrys foja (Günther, Richards and Tjaturadi, 2016) -- valid
  Asterophrys leucopus Richards, Johnston and Burton, 1994 -- valid
  Asthena brunneifasciata Packard, 1876 -- invalid
  Asthenes flammulata (Jardine, 1850) -- valid -- Many-striped Canastero
  Asthenes flammulata flammulata (Jardine, 1850) -- valid
  Asthenes luizae Vielliard, 1990 -- valid -- Cipo Canastero
  Asthenes wyatti mucuchiesi Phelps & Gilliard, 1941 -- valid
  Asticusiana Locard, 1889 -- invalid
  Astrangia Milne-Edwards and Haime, 1848 -- valid
  Astrangia californica Durham and Barnard, 1952 -- valid
  Astrangia equatorialis Durham and Barnard, 1952 -- valid
  Astrangia howardi Durham and Barnard, 1952 -- valid
  Astrella Perrier in Milne-Edwards, 1882 -- invalid
  Astrella simplex Perrier in Milne-Edwards, 1882 -- invalid
  Astreopora gracilis Bernard, 1896 -- valid
  Astreopora incrustans Bernard, 1896 -- valid
  Astreopora listeri Bernard, 1896 -- valid
  Astreopora ocellata Bernard, 1896 -- valid
  Astroblepus riberae Cardona and Guerao, 1994 -- valid
  Astrogonium souleyeti Dujardin & Hupé, 1862 -- invalid
  Astroides Quoy and Gaimard, 1827 -- valid
  Astronesthes Richardson, 1845 -- valid
  Astronesthes niger Richardson, 1845 -- valid
  Astropecten crenaster Dujardin & Hupé, 1862 -- invalid
  Astrurus Beddard, 1886 -- valid
  Astrurus crucicauda Beddard, 1886 -- valid
  Astyanax Baird and Girard, 1854 -- valid -- astynaxes
  Astyanax pelegrini Eigenmann in Eigenmann, McAtee and Ward, 1907 -- valid
  Asynarchus rossi (Leonard & Leonard, 1949) -- valid
  Ataenius platensis (Blanchard, 1847) -- valid
  Atalopedes campestris huron (W. H. Edwards, 1863) -- valid
  Ateledrosophila Hardy, 1965 -- valid
  Ateledrosophila diamphidia Hardy, 1965 -- valid
  Ateledrosophila preapicula Hardy, 1965 -- valid
  Ateles neglectus Reinhardt, 1873 -- invalid
  Atelognathus patagonicus (Gallardo, 1962) -- valid
  Ateloplus coconino Hebard, 1935 -- valid
  Ateloplus hesperus Hebard, 1934 -- valid
  Ateloplus splendidus Hebard, 1934 -- valid
  Atelopus angelito Ardila-Robayo and Ruiz-Carranza, 1998 -- valid
  Atelopus guitarraensis Osorno-Muńoz, Ardila-Robayo and Ruiz-Carranza, 2001 -- valid
  Atelopus laetissimus Ruiz-Carranza, Ardila-Robayo and Hernández-Camacho, 1994 -- valid
  Atelopus leoperezii Ruiz-Carranza, Ardila-Robayo and Hernández-Camacho, 1994 -- invalid
  Atelopus lozanoi Osorno-Muńoz, Ardila-Robayo and Ruiz-Carranza, 2001 -- valid
  Atelopus mandingues Osorno-Muńoz, Ardila-Robayo and Ruiz-Carranza, 2001 -- valid
  Atelopus minutulus Ruiz-Carranza, Hernández-Camacho and Ardila-Robayo, 1988 -- valid
  Atelopus monohernandezii Ardila-Robayo, Osorno-Muńoz and Ruiz-Carranza, 2002 -- valid
  Atelopus nahumae Ruiz-Carranza, Ardila-Robayo and Hernández-Camacho, 1994 -- valid
  Atelopus negreti Ruiz-Carranza, Vélez-Rodriguez and Ardila-Robayo, 1995 -- invalid
  Atelopus petriruizi Ardila-Robayo, 1999 -- valid
  Atelopus rubriventris Vellard, 1947 -- invalid
  Ateriana Locard, 1889 -- invalid
  Aterigena Bolzern, Hänggi & Burckhardt, 2010 -- valid
  Aterigena aspromontensis Bolzern, Hänggi & Burckhardt, 2010 -- valid
  Athamas O. Pickard-Cambridge, 1877 -- valid
  Athamas whitmeei O. Pickard-Cambridge, 1877 -- valid
  Athanatus Reinhard, 1947 -- invalid
  Athanatus knowltoni Reinhard, 1947 -- invalid
  Athelges caudalis Barnard, 1955A -- valid
  Athelges guitarra Giard & Bonnier, 1890 -- valid
  Athelges prideauxii Giard & Bonnier, 1890 -- valid
  Athene cunicularia apurensis (Gilliard, 1940) -- invalid
  Atherinason hepsetoides (Richardson, 1843) -- valid
  Atherinella alvarezi (Diaz-Pardo, 1972) -- valid -- Gulf silverside, plateadito de Tacotalpa
  Atherinella brasiliensis (Quoy and Gaimard, 1825) -- valid
  Atherinomorus endrachtensis (Quoy and Gaimard, 1825) -- valid
  Atherinomorus vaigiensis (Quoy and Gaimard, 1825) -- valid
  Atherinopsis Girard, 1854 -- valid
  Atherinopsis californiensis Girard, 1854 -- valid -- jacksmelt, pejerrey mocho
  Atheris anisolepis Mocquard, 1887 -- valid -- Mayombe Bush-Viper
  Atholus bakeri (Bickhardt, 1914) -- valid
  Atholus falli (Bickhardt, 1912) -- valid
  Atholus helferi (Reichardt, 1932) -- valid
  Atholus paganettii (Bickhardt, 1911) -- valid
  Atholus rothkirchi Bickhardt, 1919 -- invalid
  Atholus rudesculptus (Reichardt, 1922) -- valid
  Athripsodes amplexus (Barnard, 1934) -- valid
  Athripsodes bibulus (Barnard, 1940) -- valid
  Athripsodes caricaria (Barnard, 1934) -- valid
  Athripsodes cedri (Barnard, 1934) -- valid
  Athripsodes corrivalis (Barnard, 1934) -- valid
  Athripsodes dieseli (Barnard, 1940) -- valid
  Athripsodes elaphus (Barnard, 1934) -- valid
  Athripsodes harrisoni (Barnard, 1934) -- valid
  Athripsodes improcerus Edwards, 1956 -- invalid
  Athripsodes longistylis (Barnard, 1934) -- valid
  Athripsodes namaquanus (Barnard, 1934) -- valid
  Athripsodes oryx (Barnard, 1934) -- valid
  Athripsodes potes (Barnard, 1934) -- valid
  Athripsodes promontorii (Barnard, 1934) -- valid
  Athripsodes quathlambae (Barnard, 1941) -- valid
  Athripsodes schoenobates (Barnard, 1934) -- valid
  Athripsodes scopulosus Leonard & Leonard, 1949 -- invalid
  Athripsodes scramasax (Barnard, 1934) -- valid
  Athripsodes securis (Barnard, 1934) -- valid
  Athripsodes spatula (Barnard, 1940) -- valid
  Athripsodes stephanus (Barnard, 1934) -- valid
  Athripsodes sylvaticus (Barnard, 1934) -- valid
  Athripsodes tabularis (Barnard, 1934) -- valid
  Athripsodes tuckeri (Barnard, 1934) -- valid
  Atlantapseudes lindae Meyer and Heard, 1989 -- valid
  Atlanterythrops Nouvel and Lagardčre, 1976 -- valid
  Atlanterythrops crassipes Nouvel and Lagardčre, 1976 -- valid
  Atlanticus americanus hesperus Hebard, 1934 -- valid
  Atlanticus calcaratus Rehn and Hebard, 1916 -- valid
  Atlanticus davisi Rehn and Hebard, 1916 -- valid
  Atlanticus glaber Rehn and Hebard, 1912 -- valid
  Atlapetes latinuchus nigrifrons Phelps & Gilliard, 1940 -- invalid
  Atlapetes leucopterus (Jardine, 1856) -- valid -- White-winged Brush Finch
  Atlapetes leucopterus leucopterus (Jardine, 1856) -- valid
  Atlapetes nigrifrons Phelps & Gilliard, 1940 -- valid -- Black-fronted Brush Finch
  Atlapetes rufinucha nigrifrons Phelps & Gilliard, 1940 -- invalid
  Atlapetes semirufus benedettii Phelps & Gilliard, 1941 -- valid
  Atrachorema macfarlanei Ward, 1991 -- valid
  Atractaspis boulengeri Mocquard, 1897 -- valid -- Mole Viper
  Atractaspis boulengeri boulengeri Mocquard, 1897 -- valid
  Atractaspis corpulenta leucura Mocquard, 1885 -- valid
  Atractaspis irregularis (Reinhardt, 1843) -- valid -- Variable Burrowing Asp
  Atractaspis irregularis irregularis (Reinhardt, 1843) -- valid
  Atractaspis leucura Mocquard, 1885 -- invalid
  Atractocerus blairi Gardner, 1936 -- invalid
  Atractocerus quercus Gardner, 1935 -- invalid
  Atractus micheli Mocquard, 1904 -- invalid
  Atribalus Bickhardt, 1921 -- valid
  Atrytone logan (W. H. Edwards, 1863) -- invalid
  Atrytone logan lagus (W. H. Edwards, 1881) -- invalid
  Atrytone logan logan (W. H. Edwards, 1863) -- invalid
  Atrytonopsis cestus (W. H. Edwards, 1884) -- valid -- Cestus Skipper
  Atrytonopsis deva (W. H. Edwards, 1877) -- valid -- Deva Skipper
  Atrytonopsis lunus (W. H. Edwards, 1884) -- valid -- Moon-marked Skipper
  Atrytonopsis pittacus (W. H. Edwards, 1882) -- valid -- White-barred Skipper
  Atrytonopsis python (W. H. Edwards, 1882) -- valid -- Python Skipper
  Attidops cutleri Edwards, 1999 -- valid
  Attidops nickersoni Edwards, 1999 -- valid
  Attulus avocator (O. Pickard-Cambridge, 1885) -- valid
  Attulus saltator (O. Pickard-Cambridge, 1868) -- valid
  Atya armata A. Milne-Edwards, 1864 -- invalid
  Atya margaritacea A. Milne-Edwards, 1864 -- invalid
  Atylus levidensus J. L. Barnard -- valid
  Atylus swammerdami Milne-Edwards, 1830 -- valid
  Augusta O. Pickard-Cambridge, 1877 -- valid
  Aulacolambrus whitei (A. Milne-Edwards, 1872) -- valid
  Aulicomyia Reinhard, 1943 -- invalid
  Aulicomyia invulnerata Reinhard, 1943 -- invalid
  Aulonothroscus detritus Blanchard, 1917 -- valid
  Aulonothroscus distans Blanchard, 1917 -- valid
  Aulonothroscus laticeps Blanchard, 1917 -- valid
  Aulonothroscus nodifrons Blanchard, 1917 -- valid
  Aulonothroscus parallelus Blanchard, 1917 -- valid
  Aulonothroscus schwarzi Blanchard, 1917 -- valid
  Aulonothroscus teretrius Blanchard, 1917 -- valid
  Aulopus purpurissatus Richardson, 1843 -- valid -- sergeant baker
  Aulopus purpurrissatus Richardson, 1843 -- invalid
  Aurelia aurita labiata Chamisso and Eysenhardt, 1821 -- invalid
  Aurelia labiata Chamisso and Eysenhardt, 1821 -- valid
  Auridistomidae Stunkard, 1924 -- valid
  Aurila laevicula (Edwards, 1944) -- valid
  Auritelorchis Stunkard and Franz, 1977 -- valid
  Aurometopa Barnard & Karaman, 1987 -- valid
  Aurorana aurora (Baird and Girard, 1852) -- invalid
  Aurorana draytonii (Baird and Girard, 1852) -- invalid
  Aurorana pretiosa (Baird and Girard, 1853) -- invalid
  Ausatelson J. L. Barnard, 1972 -- valid
  Austinixa Heard and Manning, 1997 -- valid
  Australoactina brevihirta (Hardy, 1932) -- valid
  Australoactina brisbanensis (Hardy, 1939) -- valid
  Australoactina imperfecta (Hardy, 1932) -- valid
  Australoactina ocinis (Hardy, 1932) -- valid
  Australoactina silvicola (Hardy, 1932) -- valid
  Australomimetus mendicus (O. Pickard-Cambridge, 1880) -- valid
  Australospio mokapu Ward, 1981 -- valid
  Austrarcturella Poore & Bardsley, 1992 -- valid
  Austrarcturella aphelura Poore & Bardsley, 1992 -- valid
  Austrarcturella brychia Poore & Bardsley, 1992 -- valid
  Austrarcturella callosa Poore & Bardsley, 1992 -- valid
  Austrarcturella corona Poore & Bardsley, 1992 -- valid
  Austrarcturella galathea Poore & Bardsley, 1992 -- valid
  Austrarcturella hirsuta Poore & Bardsley, 1992 -- valid
  Austrarcturella inornata Poore & Bardsley, 1992 -- valid
  Austrarcturella macrokola Poore & Bardsley, 1992 -- valid
  Austrarcturella oculata (Beddard, 1886) -- valid
  Austrarcturella pictila Poore & Bardsley, 1992 -- valid
  Austrarcturella sexspinosa Poore & Bardsley, 1992 -- valid
  Austrarcturella spinipes Poore & Bardsley, 1992 -- valid
  Austrarcturella thetidis Poore & Bardsley, 1992 -- valid
  Austrarcturellidae Poore & Bardsley, 1992 -- valid
  Austrocephaloides camoti (J. L. Barnard, 1967) -- valid
  Austrochaperina alexanderi Günther, Richards and Dahl, 2014 -- valid
  Austrochaperina laurae Günther, Richards and Dahl, 2014 -- valid
  Austrochilus forsteri Grismado, Lopardo & Platnick, 2003 -- valid
  Austroglanis gilli (Barnard, 1943) -- valid
  Austrogymnocnemia maculata (Tillyard, 1916) -- valid
  Austrohoplochaetella albidus (Beddard, 1896) -- valid
  Austropenaeus nitidus (Barnard, 1947) -- valid
  Austrophasma Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- valid
  Austrophasma caledonense Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- valid
  Austrophasma caledonensis Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- invalid
  Austrophasma gansbaaiense Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- valid
  Austrophasma gansbaaiensis Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- invalid
  Austrophasma rawsonvillense Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- valid
  Austrophasma rawsonvillensis Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- invalid
  Austrophasmatidae Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- valid
  Austrophasmatini Klass, Picker, Damgaard, van Noort and Tojo, 2003 -- invalid
  Austropheonoides J. L. Barnard, 1972 -- valid
  Austrophorocera pellecta (Reinhard, 1957) -- valid
  Austrophorocera stolida (Reinhard, 1957) -- valid
  Austropleustes K. H. Barnard, 1931 -- valid
  Austroraptus thermophilus Barnard, 1946 -- invalid
  Austrosignum incisa (Richardson, 1908A) -- valid
  Austrosyrrhoe K. H. Barnard, 1925 -- valid
  Avicularia avicularia variegata F. O. Pickard-Cambridge, 1896 -- invalid
  Avicularia variegata F. O. Pickard-Cambridge, 1896 -- valid
  Axelinus Kryzhanovskij in Kryzhanovskij and Reichardt, 1976 -- valid
  Axelinus ghilarovi Kryzhanovskij in Kryzhanovskij and Reichardt, 1976 -- valid
  Axianassa arenaria Kensley and Heard, 1990 -- valid
  Axine Abildgaard, 1794 -- valid
  Axinulus careyi Bernard, 1979 -- valid -- carey axinopsid
  Axiopsis serratifrons (A. Milne-Edwards, 1873) -- valid -- serrated axiid
  Azotostoma J. L. Barnard, 1965 -- valid
  Aztecacris gloriosus (Hebard, 1935) -- valid
  Bacaniini Kryzhanovskij and Reichardt, 1976 -- valid
  Bacanius africanus Bickhardt, 1911 -- valid
  Bacanius camerunus Bickhardt, 1912 -- invalid
  Bacanius ferrugineus Bickhardt, 1918 -- valid
  Bacanius lableri (Reichardt, 1941) -- valid
  Bacanius usambaricus Bickhardt, 1911 -- invalid
  Bacelarella gibbosa Wesolowska & Edwards, 2012 -- valid
  Bacescomysis abyssalis (Lagardčre, 1983) -- valid
  Bacescomysis atlantica (Lagardčre, 1983) -- valid
  Baconia coerulea (Bickhardt, 1917) -- valid
  Bactrocera (Hemizeugodacus) Hardy, 1951 -- valid
  Bactrocera (Heterodaculus) Hardy, 1951 -- valid
  Bactrocera (Javadacus) Hardy, 1983 -- valid
  Bactrocera abbreviata (Hardy, 1974) -- valid
  Bactrocera aberrans (Hardy, 1951) -- valid
  Bactrocera abnormis (Hardy, 1982) -- valid
  Bactrocera aculeus (Hardy, 1973) -- valid
  Bactrocera aethriobasis (Hardy, 1973) -- valid
  Bactrocera affinidorsalis (Hardy, 1982) -- valid
  Bactrocera affinis (Hardy, 1954) -- valid
  Bactrocera aglaiae (Hardy, 1951) -- valid
  Bactrocera angustifinis (Hardy, 1982) -- valid
  Bactrocera arecae (Hardy & Adachi, 1954) -- valid
  Bactrocera ascita (Hardy, 1983) -- valid
  Bactrocera beckerae (Hardy, 1982) -- valid
  Bactrocera bifasciata (Hardy, 1982) -- valid
  Bactrocera bogorensis (Hardy, 1983) -- valid
  Bactrocera breviaculeus (Hardy, 1951) -- valid
  Bactrocera bullifera (Hardy, 1973) -- valid
  Bactrocera caliginosa (Hardy, 1970) -- valid
  Bactrocera calumniata (Hardy, 1970) -- valid
  Bactrocera citima (Hardy, 1973) -- valid
  Bactrocera cognata (Hardy & Adachi, 1954) -- valid
  Bactrocera connexa (Hardy, 1982) -- valid
  Bactrocera decepta (Hardy, 1974) -- valid
  Bactrocera dispar (Hardy, 1982) -- valid
  Bactrocera distotriseriata Hardy, 1989 -- invalid
  Bactrocera dorsaloides (Hardy & Adachi, 1954) -- valid
  Bactrocera drewi (Hardy, 1983) -- valid
  Bactrocera dubiosa (Hardy, 1982) -- valid
  Bactrocera elegantula (Hardy, 1974) -- valid
  Bactrocera enigmatica (Hardy, 1982) -- valid
  Bactrocera epicharis (Hardy, 1970) -- valid
  Bactrocera eurylomata (Hardy, 1982) -- valid
  Bactrocera flavipennis (Hardy, 1982) -- valid
  Bactrocera flavipilosa (Hardy, 1982) -- valid
  Bactrocera hastigerina (Hardy, 1954) -- valid
  Bactrocera holtmanni (Hardy, 1974) -- valid
  Bactrocera icelus (Hardy, 1974) -- valid
  Bactrocera indentus (Hardy, 1974) -- valid
  Bactrocera involuta (Hardy, 1982) -- valid
  Bactrocera isolata (Hardy, 1973) -- valid
  Bactrocera katoi (Hardy, 1974) -- valid
  Bactrocera kraussi (Hardy, 1951) -- valid
  Bactrocera laticaudus (Hardy, 1950) -- valid
  Bactrocera luzonae (Hardy & Adachi, 1954) -- valid
  Bactrocera maculifacies (Hardy, 1973) -- valid
  Bactrocera mayi (Hardy, 1951) -- valid
  Bactrocera megaspilus (Hardy, 1982) -- valid
  Bactrocera melanopsis (Hardy, 1982) -- valid
  Bactrocera modica (Hardy, 1973) -- valid
  Bactrocera montana (Hardy, 1983) -- valid
  Bactrocera muiri (Hardy & Adachi, 1954) -- valid
  Bactrocera mulyonoi (Hardy, 1983) -- valid
  Bactrocera neohumeralis (Hardy, 1951) -- valid
  Bactrocera neonigritus Hardy, 1989 -- invalid
  Bactrocera neopallescentis Hardy, 1989 -- invalid
  Bactrocera nigrita (Hardy, 1955) -- valid
  Bactrocera opiliae (Drew & Hardy, 1981) -- valid
  Bactrocera pallescentis (Hardy, 1955) -- valid
  Bactrocera personata (Hardy, 1983) -- valid
  Bactrocera peterseni (Hardy, 1970) -- valid
  Bactrocera petersoni Hardy, 1974 -- invalid
  Bactrocera platamus (Hardy, 1973) -- valid
  Bactrocera propinqua (Hardy & Adachi, 1954) -- valid
  Bactrocera pusilla (Hardy, 1983) -- valid
  Bactrocera rubella (Hardy, 1973) -- valid
  Bactrocera rufula (Hardy, 1982) -- valid
  Bactrocera silvatica (Hardy, 1983) -- valid
  Bactrocera sumatrana (Hardy, 1983) -- valid
  Bactrocera tenuifinis (Hardy, 1983) -- valid
  Bactrocera transversa (Hardy, 1982) -- valid
  Bactrocera trifasciata (Hardy, 1982) -- valid
  Bactrocera trilineata (Hardy, 1955) -- valid
  Bactrocera trimaculata (Hardy & Adachi, 1954) -- valid
  Bactrocera ubiquita (Hardy, 1973) -- valid
  Bactrocera vargus (Hardy, 1982) -- valid
  Bactrocera vinnula (Hardy, 1973) -- valid
  Bactrocera visenda (Hardy, 1951) -- valid
  Bactrocera vultus (Hardy, 1973) -- valid
  Bactrocera watersi (Hardy, 1954) -- valid
  Bactrocera yoshimotoi (Hardy, 1973) -- valid
  Baculentulus macqueeni (Bernard, 1976) -- valid
  Baetis hiemalis Leonard, 1950 -- invalid
  Baetis quebecensis Hubbard, 1974 -- invalid
  Baeus americanus Howard, 1890 -- valid
  Bagatus minutus (H. Richardson, 1902) -- invalid
  Bagheera laselva Ruiz & Edwards, 2013 -- valid
  Bagheera motagua Ruiz & Edwards, 2013 -- valid
  Bagrus crinalis Richardson, 1846 -- invalid
  Baiomys musculus handleyi Packard, 1958 -- invalid
  Baiomys musculus pullus Packard, 1958 -- invalid
  Baiomys taylori canutus Packard, 1960 -- invalid
  Baiomys taylori fuliginatus Packard, 1960 -- invalid
  Balanoglossus aurantiacus (Girard, 1853) -- valid
  Balanoglossus robinii Giard, 1882 -- valid
  Balanoglossus salmoneus Giard, 1882 -- valid
  Balanophyllia bairdiana Milne-Edwards and Haime, 1848 -- valid
  Balanophyllia cumingii Milne-Edwards and Haime, 1848 -- valid
  Balanophyllia osburni Durham and Barnard, 1952 -- invalid
  Balanophyllia profundicella Gardiner, 1899 -- valid
  Baliomorpha pulchripennis (Tillyard, 1922) -- valid
  Balistes angulosus Quoy & Gaimard, 1824 -- invalid
  Balistes aureolus Richardson, 1845 -- invalid
  Balistes ayraud Quoy & Gaimard, 1824 -- invalid
  Balistes brevissimus Hollard, 1854 -- invalid
  Balistes calolepis Hollard in Guichenot, 1853 -- invalid
  Balistes cinctus Hollard, 1854 -- invalid
  Balistes elongatus Hollard, 1854 -- invalid
  Balistes freycineti Quoy & Gaimard, 1824 -- invalid
  Balistes gutturosus Hollard, 1854 -- invalid
  Balistes hippocrepis Quoy & Gaimard, 1824 -- invalid
  Balistes jacksonianus Quoy & Gaimard, 1824 -- invalid
  Balistes lamouroux Quoy & Gaimard, 1824 -- invalid
  Balistes lineopunctatus Hollard, 1854 -- invalid
  Balistes longissimus Hollard, 1854 -- invalid
  Balistes medinilla Quoy & Gaimard, 1824 -- invalid
  Balistes praslensis Hollard, 1854 -- invalid
  Balistes praslinensis Quoy & Gaimard, 1824 -- invalid
  Balistes reticulatus Hollard, 1854 -- invalid
  Balistes sandwichiensis Quoy & Gaimard, 1824 -- invalid
  Balistes senticosus Richardson, 1848 -- invalid
  Balistes spilomelanurus Quoy & Gaimard, 1824 -- invalid
  Balistes spinosissimus Quoy & Gaimard, 1824 -- invalid
  Balistes vidua Richardson, 1845 -- invalid
  Ballus piger O. Pickard-Cambridge, 1876 -- valid
  Balmaceda abba Edwards & Baert, 2018 -- valid
  Balmaceda minor (F. O. Pickard-Cambridge, 1901) -- valid
  Bambradon Jordan and Richardson, 1908 -- valid
  Banareia A. Milne-Edwards, 1869 -- valid
  Bandidus hyalinus (Tillyard, 1916) -- valid
  Bangsia T. E. Penard, 1919 -- valid
  Banjos banjos (Richardson, 1846) -- valid
  Baptria californiata Packard, 1871 -- invalid
  Barabattoai amicorum (Milne-Edwards and Haime, 1850) -- valid
  Barbarochthon Barnard, 1934 -- valid
  Barbarochthon brunneum Barnard, 1934 -- valid
  Barbodes hemictenus Jordan and Richardson, 1908 -- invalid
  Barbus andrewi Barnard, 1937 -- valid
  Barbus calidus Barnard, 1938 -- valid
  Barbus hospes Barnard, 1938 -- valid
  Barbus lornae Ricardo-Bertram, 1943 -- valid
  Barbus luikae Ricardo, 1939 -- valid
  Barbus owenae Ricardo-Bertram, 1943 -- valid
  Barnardius zonarius semitorquatus (Quoy & Gaimard, 1830) -- valid
  Barnardoscia demarcata (Barnard, 1932) -- valid
  Barnesina hylecoites Pritchard, 1960 -- invalid
  Baromyia Reinhard, 1957 -- invalid
  Baromyia mitis Reinhard, 1957 -- invalid
  Barraina Richardson, 2013 -- valid
  Barraina anfracta Richardson, 2013 -- valid
  Baryana Bourguignat in Locard, 1889 -- invalid
  Bascanion foxii Baird and Girard, 1853 -- invalid
  Basilichthys Girard, 1855 -- valid
  Bassia bassensis (Quoy and Gaimard, 1833) -- valid
  Basuto Barnard & Drummond, 1978 -- valid
  Batavusiana Locard, 1889 -- invalid
  Bathybagrus platycephalus (Worthington and Ricardo, 1937) -- valid
  Bathybela nudator (Locard, 1897) -- valid
  Bathycongrus albescens (Barnard, 1923) -- valid
  Bathycopea daltonae (Menzies and J. L. Barnard, 1959) -- valid
  Bathycyathus Milne-Edwards and Haime, 1848 -- valid
  Bathycyathus chilensis Milne-Edwards and Haime, 1848 -- valid
  Bathygnathia bathybia (Beddard, 1886) -- valid
  Bathygnathia curvirostris Richardson, 1909B -- valid
  Bathymedon covilhani J. L. Barnard, 1961 -- valid
  Bathymedon flebilis J. L. Barnard, 1967 -- valid
  Bathymedon kassites J. L. Barnard, 1966 -- valid
  Bathymedon kassities J. L. Barnard, 1966 -- valid
  Bathymedon pumilus J. L. Barnard, 1962 -- valid
  Bathymedon roquedo J. L. Barnard, 1962 -- valid
  Bathymedon vulpeculus J. L. Barnard, 1971 -- valid
  Bathynatalia Barnard, 1957A -- valid
  Bathynatalia gilchristi Barnard, 1957A -- valid
  Bathynella riparia Pennak and Ward, 1985 -- valid
  Bathynomus A. Milne-Edwards, 1879 -- valid
  Bathynomus affinis Richardson, 1910A -- valid
  Bathynomus giganteus A. Milne-Edwards, 1879 -- valid
  Bathynomus propinquus Richardson, 1910A -- valid
  Bathyopsurus abyssicolus (Beddard, 1885) -- valid
  Bathyplax A. Milne-Edwards, 1880 -- valid
  Bathyplax typhla A. Milne-Edwards, 1880 -- invalid -- rigid bathyal crab
  Bathyplax typhlus A. Milne-Edwards, 1880 -- valid -- rigid bathyal crab
  Bathyplotes bipartitus Hérouard, 1912 -- invalid
  Bathytanais Beddard, 1886 -- valid
  Bathytanais bathybrotes (Beddard, 1886) -- valid
  Bathythrix meteori Howard, 1897 -- valid
  Bathythrix pimplae Howard, 1897 -- valid
  Batrachophrynus patagonicus Gallardo, 1962 -- invalid
  Batrachyla taeniata (Girard, 1855) -- valid
  Batrachylidae Gallardo, 1965 -- valid
  Batrachylinae Gallardo, 1965 -- invalid
  Bdellarogatis Richardson, 1969 -- invalid
  Bdellasimilis Richardson, 1968 -- valid
  Bdellasimilis barwicki Richardson, 1968 -- valid
  Bdelloura candida (Girard, 1850) -- valid
  Beameromyia bifida (Hardy, 1942) -- valid
  Beameromyia occidentis (Hardy, 1942) -- valid
  Beata cephalica F. O. Pickard-Cambridge, 1901 -- valid
  Beata longipes (F. O. Pickard-Cambridge, 1901) -- valid
  Beccariana Locard, 1890 -- invalid
  Bedoslohmannia Fernández, Theron, Rollard & Castillo, 2014 -- valid
  Bedoslohmannia anneae Fernández, Theron, Rollard & Castillo, 2014 -- valid
  Belba servadeii Lombardini, 1963 -- valid
  Belida pusilla (Reinhard, 1953) -- valid
  Beliops Hardy, 1985 -- valid
  Beliops xanthokrossos Hardy, 1985 -- valid
  Bellapiscis Hardy, 1987 -- valid
  Bellapiscis lesleyae Hardy, 1987 -- valid
  Bellator farrago Richards and McCosker, 1998 -- valid
  Bellibos dageti (Chardy, 1975) -- valid
  Bellibos monicae (Chardy, 1975) -- valid
  Belocephalus davisi Rehn and Hebard, 1916 -- valid
  Belocephalus hebardi proximus Hebard, 1927 -- valid
  Belocephalus sleighti simplex Hebard, 1927 -- valid
  Belocephalus subapterus hesperus Hebard, 1927 -- valid
  Belocephalus subapterus peninsularis Hebard, 1927 -- valid
  Belocephalus uncinatus Hebard, 1927 -- valid
  Belomicrus beelzebub Guichard, 1991 -- valid
  Belomicrus bimaculatus Guichard, 1991 -- valid
  Belomicrus dimorpha Guichard, 1991 -- invalid
  Belomicrus dimorphus Guichard, 1991 -- valid
  Belomicrus dromedarius Guichard, 1991 -- invalid
  Belomicrus funereus Guichard, 1991 -- valid
  Belomicrus guelmimensis Guichard, 1991 -- valid
  Belomicrus lucifer Guichard, 1991 -- valid
  Belomicrus ottomanus Guichard, 1991 -- valid
  Belosta albipilosa Hardy, 1944 -- valid
  Belvosia auratilis Reinhard, 1951 -- valid
  Bembecinus decoratus Guichard, 1980 -- valid
  Bembecinus moneduloides (Packard, 1867) -- invalid
  Bembex obsoleta Howard, 1901 -- invalid
  Bembidion aenulum Hayward, 1901 -- valid
  Bembidion brevistriatum Hayward, 1897 -- valid
  Bembidion californicum Hayward, 1897 -- valid
  Bembidion coloradense Hayward, 1897 -- valid
  Bembidion confusum Hayward, 1897 -- valid
  Bembidion consanguineum Hayward, 1897 -- valid
  Bembidion consimile Hayward, 1897 -- valid
  Bembidion constricticolle Hayward, 1897 -- valid
  Bembidion convexulum Hayward, 1897 -- valid
  Bembidion graciliforme Hayward, 1897 -- valid
  Bembidion grandiceps Hayward, 1897 -- valid
  Bembidion hageni Hayward, 1897 -- valid
  Bembidion henshawi Hayward, 1897 -- invalid
  Bembidion horni Hayward, 1897 -- valid
  Bembidion mimus Hayward, 1897 -- valid
  Bembidion mormon Hayward, 1897 -- valid
  Bembidion muscicola Hayward, 1897 -- valid
  Bembidion nigrocoeruleum Hayward, 1897 -- valid
  Bembidion oberthueri Hayward, 1901 -- valid
  Bembidion platynoides Hayward, 1897 -- valid
  Bembidion purianum Hayward, 1897 -- invalid
  Bembidion puritanum Hayward, 1897 -- invalid
  Bembidion robusticolle Hayward, 1897 -- valid
  Bembidion simplex Hayward, 1897 -- valid
  Bembidion subangustatum Hayward, 1897 -- valid
  Bembidion wickhami Hayward, 1897 -- valid
  Bembix buettikeri Guichard, 1989 -- valid
  Bembix clypealis Guichard, 1989 -- valid
  Bembix gazella Guichard, 1989 -- valid
  Bembix hameri Guichard, 1989 -- valid
  Bembix hofufensis Guichard, 1989 -- valid
  Bembix nigrispina Guichard, 1989 -- valid
  Bembix omanensis Guichard, 1989 -- valid
  Bembix rochei Guichard, 1989 -- valid
  Bembix saadensis Guichard, 1989 -- valid
  Bembix saudi Guichard, 1989 -- valid
  Bemlos audbettius J. L. Barnard, 1962 -- valid
  Bemlos pualani (J. L. Barnard, 1970) -- valid
  Bemlos waipio (J. L. Barnard, 1970) -- valid
  Benhamiona budgetti (Beddard, 1900) -- valid
  Benhamiona gambiana (Beddard, 1902) -- valid
  Benhamiona michaelseni (Beddard, 1902) -- valid
  Benoitia lepida (O. Pickard-Cambridge, 1876) -- valid
  Benthanops Barnard, 1932 -- valid
  Benthanops fulva Barnard, 1932 -- valid
  Benthosema glaciale (Reinhardt, 1837) -- valid -- glacier lanterfish, glacier lanternfish, lanterne glaciaire
  Berberentulus macqueeni Bernard, 1976 -- invalid
  Bercaeopsis acadiana (Reinhard, 1947) -- valid
  Bercaeopsis elanis (Reinhard, 1947) -- valid
  Bercaeopsis epitheca (Reinhard, 1952) -- valid
  Bercaeopsis fortisa (Reinhard, 1947) -- valid
  Bercaeopsis hesterna (Reinhard, 1947) -- valid
  Bercaeopsis mimoris (Reinhard, 1947) -- valid
  Bercaeopsis pleomenda (Reinhard, 1953) -- valid
  Bercaeopsis sutilis (Reinhard, 1952) -- valid
  Bercaeopsis tetona (Reinhard, 1952) -- valid
  Berenguieriana Locard, 1889 -- invalid
  Bergalna Boulard and Martinelli, 1996 -- valid
  Berghia coerulescens (Laurillard, 1830) -- valid
  Beridops maculipennis (Blanchard, 1852) -- valid
  Berinda ensiger (O. Pickard-Cambridge, 1874) -- invalid
  Berinda ensigera (O. Pickard-Cambridge, 1874) -- valid
  Beringitaenia Haukisalmi, Hardman, Hoberg & Henttonen, 2014 -- valid
  Beris maculipennis Blanchard, 1852 -- invalid
  Beris mexicana Bellardi, 1859 -- invalid
  Berlandina corcyraea (O. Pickard-Cambridge, 1874) -- valid
  Berlandina plumalis (O. Pickard-Cambridge, 1872) -- valid
  Berlandina venatrix (O. Pickard-Cambridge, 1874) -- valid
  Beroe forskalii Milne Edwards, 1841 -- valid
  Berthelinia Gardiner, 1936 -- valid
  Berthellina Gardiner, 1936 -- valid
  Berthellina engeli (Gardiner, 1936) -- valid
  Betamorpha fusiformis (K. H. Barnard, 1920) -- valid
  Bethalus arator Barnard, 1937 -- valid
  Bethalus aureoniger Barnard, 1960 -- valid
  Bethalus barbertoni Barnard, 1932 -- valid
  Bethalus bipunctatus Barnard, 1958 -- valid
  Bethalus gorongozae Barnard, 1960 -- valid
  Bethalus lawrencei Barnard, 1937 -- valid
  Bethalus linguitelson Barnard, 1960 -- valid
  Bethalus macrodens Barnard, 1932 -- valid
  Bethalus mariepensis Barnard, 1960 -- valid
  Bethalus rhodesiae Barnard, 1932 -- valid
  Bethalus statumenes Barnard, 1960 -- valid
  Bethalus trichardti Barnard, 1960 -- valid
  Bettongia lesueur (Quoy and Gaimard, 1824) -- valid -- Boodie
  Bettonia Beddard, 1903 -- invalid
  Bettoniella lagariensis (Beddard, 1903) -- valid
  Bhawania Schmarda, 1861 -- valid
  Biancolina mauihina J. L. Barnard, 1970 -- valid
  Biancolinidae Barnard, 1972 -- valid
  Bibio beameri Hardy, 1945 -- valid
  Bibio bisepta Hardy, 1937 -- invalid
  Bibio carolinus Hardy, 1945 -- valid
  Bibio cognatus Hardy, 1937 -- valid
  Bibio columbiaensis Hardy, 1938 -- valid
  Bibio conus Hardy, 1938 -- invalid
  Bibio currani Hardy, 1937 -- invalid
  Bibio fluginatus Hardy, 1937 -- valid
  Bibio flukei Hardy, 1937 -- valid
  Bibio gilvus Hardy, 1937 -- invalid
  Bibio imparilis Hardy, 1959 -- valid
  Bibio jacobi Hardy, 1938 -- invalid
  Bibio knowltoni Hardy, 1937 -- valid
  Bibio lobatus Hardy, 1937 -- valid
  Bibio lucens Hardy, 1937 -- invalid
  Bibio melanopilosus Hardy, 1936 -- valid
  Bibio mickeli Hardy, 1937 -- valid
  Bibio necotus Hardy, 1937 -- valid
  Bibio neojacobi Hardy, 1945 -- invalid
  Bibio nigrifemoratus Hardy, 1937 -- valid
  Bibio paltidus Hardy, 1937 -- invalid
  Bibio rufalipes Hardy, 1937 -- valid
  Bibio rufitibialis Hardy, 1938 -- valid
  Bibio sericatus Hardy, 1937 -- valid
  Bibio sierrae Hardy, 1960 -- valid
  Bibio signatus Hardy, 1937 -- invalid
  Bibio teneus Hardy, 1937 -- valid
  Bibio townesi Hardy, 1945 -- valid
  Bibio utahensis Hardy, 1937 -- valid
  Bibio velcidus Hardy, 1937 -- valid
  Bicellonycha dimidiata (Blanchard in Brullé, 1846) -- valid
  Bicellonycha lineola (Blanchard in Brullé, 1846) -- valid
  Bicellonycha ornaticollis (Blanchard in Brullé, 1846) -- valid
  Bicladinae Stunkard and Corliss, 1951 -- valid
  Bidenichthys Barnard, 1934 -- valid
  Bidenichthys capensis Barnard, 1934 -- valid -- freetail brotula
  Bidentogon Buckett & Gardner, 1968 -- valid
  Bidentogon helferorum Buckett & Gardner, 1968 -- valid
  Bipalium dendrophilum (Schmarda, 1859) -- invalid
  Birubius Barnard & Drummond, 1976 -- valid
  Bitta flavolineata (Blanchard, 1849) -- invalid
  Blackburneus troglodytes (Hubbard, 1894) -- invalid
  Blancosoma Shear & Hubbard, 1998 -- valid
  Blancosoma scaturgo Shear & Hubbard, 1998 -- valid
  Blarinella quadraticauda (Milne-Edwards, 1872) -- valid -- Asiatic Short-tailed Shrew, Sichuan Short-tailed Shrew
  Blastotrochus Milne-Edwards and Haime, 1848 -- valid
  Blastotrochus nutrix Milne-Edwards and Haime, 1848 -- valid
  Blattella vaga Hebard, 1935 -- valid -- field cockroach
  Bleda canicapillus morelorum Erard, 1992 -- valid
  Blenniella gibbifrons (Quoy and Gaimard, 1824) -- valid
  Blennius alpestris Blanchard, 1866 -- invalid
  Blennius fascigula Barnard, 1927 -- invalid -- ringnecked blenny, ringnecked blenny
  Blennodon Hardy, 1987 -- valid
  Blepharepium priapus Papavero and Bernardi, 1973 -- valid
  Blepharepium sonorensis Papavero and Bernardi, 1973 -- valid
  Blepharipeza pollinosa Reinhard, 1922 -- invalid
  Blepharipus capitosus (Shuckard, 1837) -- invalid
  Blepharipus cetratus (Shuckard, 1837) -- invalid
  Blepharipus harrisi Packard, 1867 -- invalid
  Blepharipus minimus Packard, 1867 -- invalid
  Blepharipus pubescens (Shuckard, 1837) -- invalid
  Blepharipus walkeri (Shuckard, 1837) -- invalid
  Bleptharoneura Hardy, 1968 -- invalid
  Blissus arenarius maritimus Leonard, 1966 -- valid
  Blissus barberi Leonard, 1968 -- valid
  Blissus canadensis Leonard, 1970 -- valid
  Blissus sweeti Leonard, 1968 -- valid
  Blondelia cinefacta Reinhard, 1967 -- invalid
  Blondelia leucophaeata Reinhard, 1967 -- invalid
  Boana caucana (Ardila-Robayo, Ruiz-Carranza and Roa-Trujillo, 1993) -- invalid
  Boana charazani (Vellard, 1970) -- invalid
  Boana ibitiguara (Cardoso, 1983) -- invalid
  Boana lynchi (Ruiz-Carranza and Ardila-Robayo, 1991) -- invalid
  Boana ravida (Caramaschi, Napoli and Bernardes, 2001) -- invalid
  Boana sazimai (Cardoso and Andrade, 1982) -- invalid
  Bodianus perditio (Quoy and Gaimard, 1834) -- valid -- goldenspot pigfish
  Bodianus vulpinus (Richardson, 1850) -- valid
  Boeckosimus J. L. Barnard, 1969 -- valid
  Boettcheria litorosa (Reinhard, 1947) -- valid
  Bogertophis rosaliae (Mocquard, 1899) -- valid -- Baja California Rat Snake, Baja California Ratsnake, Culebra-ratonera de Baja California
  Bohadschia subrubra (Quoy & Gaimard, 1834) -- valid
  Bohartella hypopsia Menke and Vardy, 1980 -- valid
  Bokermannohyla ibitiguara (Cardoso, 1983) -- valid
  Bokermannohyla ravida (Caramaschi, Napoli and Bernardes, 2001) -- valid
  Bokermannohyla sapiranga Brandăo, Magalhăes, Garda, Campos, Sebben and Maciel, 2012 -- valid
  Bokermannohyla sazimai (Cardoso and Andrade, 1982) -- valid
  Boletina akpatokensis Edwards, 1933 -- valid
  Boloria alberta (W. H. Edwards, 1890) -- valid -- Alberta Fritillary
  Boloria chariclea butleri (W. H. Edwards, 1883) -- valid
  Boloria chariclea helena (W. H. Edwards, 1871) -- valid
  Boloria epithore (W. H. Edwards, 1864) -- valid -- Pacific Fritillary
  Boloria epithore epithore (W. H. Edwards, 1864) -- valid
  Boloria epithore sigridae (J. Shepard, 2001) -- valid
  Boloria natazhati bankslandia J. Shepard, 1998 -- valid
  Boloria selene atrocostalis (Huard, 1927) -- valid
  Bolttsiidae Barnard & Karaman, 1987 -- valid
  Bombus alpiniformis Richards, 1931 -- invalid
  Bombus arcticus alpiniformis Richards, 1931 -- invalid
  Bombus atrocinctus minutior Richards, 1930 -- invalid
  Bombus flaviventris ochrobasis Richards, 1930 -- invalid
  Bombus fletcheri Richards, 1934 -- invalid
  Bombus hyperboreus natvigi Richards, 1931 -- invalid
  Bombus hypnorum bryorum Richards, 1930 -- invalid
  Bombus jonellus subborealis Richards, 1933 -- invalid
  Bombus jonellus vogti Richards, 1933 -- invalid
  Bombus ladakhensis Richards, 1928 -- valid
  Bombus luteipes Richards, 1934 -- valid
  Bombus mastrucatus meinertzhageni Richards, 1928 -- invalid
  Bombus melanurus subdistinctus Richards, 1928 -- invalid
  Bombus mimeticus Richards, 1931 -- invalid
  Bombus mimeticus albolateralis Richards, 1931 -- invalid
  Bombus mimeticus gantokiensis Richards, 1931 -- invalid
  Bombus mimeticus geminatus Richards, 1931 -- invalid
  Bombus mimeticus insidiosus Richards, 1931 -- invalid
  Bombus mimeticus magrettianus Richards, 1931 -- invalid
  Bombus mimeticus turneri Richards, 1931 -- invalid
  Bombus miniatocaudatus falsificus Richards, 1930 -- invalid
  Bombus montivolans Richards, 1929 -- invalid
  Bombus muscorum orcadensis Richards, 1935 -- invalid
  Bombus muscorum scyllonius Richards, 1935 -- invalid
  Bombus natvigi Richards, 1931 -- valid
  Bombus obtusus Richards, 1951 -- valid
  Bombus oculatus haemorrhous Richards, 1934 -- invalid
  Bombus orientalis khasianus Richards, 1929 -- invalid
  Bombus parthenius Richards, 1934 -- valid
  Bombus parthenius luteipes Richards, 1934 -- invalid
  Bombus parthenius picipes Richards, 1934 -- invalid
  Bombus peralpinus Richards, 1930 -- invalid
  Bombus picipes Richards, 1934 -- valid
  Bombus rufofasciatus intermedius Richards, 1930 -- invalid
  Bombus rufofasciatus ladakhensis Richards, 1928 -- invalid
  Bombus rufofasciatus phariensis Richards, 1930 -- invalid
  Bombus smithianus scyllonius Richards, 1935 -- invalid
  Bombus sonomae Howard, 1902 -- invalid
  Bombus tenellus alpivagus Richards, 1930 -- invalid
  Bombus tetrachromus albohirtus Richards, 1930 -- invalid
  Bombus turneri (Richards, 1929) -- valid
  Bombus waterstoni Richards, 1934 -- invalid
  Bonassa Barnard & Karaman, 1991 -- valid
  Bonnierella angolae J. L. Barnard, 1962 -- valid
  Bonnierella lapisi J. L. Barnard, 1964 -- valid
  Bonnierella linearis J. L. Barnard, 1964 -- valid
  Bonnierella linearis californica J. L. Barnard, 1966 -- valid
  Bonnierella linearis linearis J. L. Barnard, 1964 -- valid
  Bonnierella palenquia J. L. Barnard, 1967 -- valid
  Boophis miniatus (Mocquard, 1902) -- valid
  Booralana tricarinata Camp and Heard, 1988 -- valid
  Booranus Barnard & Drummond, 1978 -- valid
  Boorolana tricarinata Camp and Heard, 1988 -- invalid
  Bopyrella calmani (Richardson, 1905) -- valid
  Bopyrina abbreviata H. Richardson, 1904 -- valid
  Bopyrina urocaridis H. Richardson, 1904 -- invalid
  Bopyrinella thorii (H. Richardson, 1904) -- valid
  Bopyriscus H. Richardson, 1905 -- valid
  Bopyriscus calmani H. Richardson, 1905 -- valid
  Borborocoetes taeniatus (Girard, 1855) -- invalid
  Boreacola Bernard, 1979 -- valid
  Boreacola vadosus Bernard, 1979 -- valid -- arctic montacutid
  Boreochlus Edwards -- valid
  Boreochlus thienemanni Edwards -- valid
  Boreoides Hardy, 1920 -- valid
  Boreoides subulatus Hardy, 1920 -- valid
  Boreomyia Hardy, 1920 -- invalid
  Boreus californicus Packard, 1870 -- valid
  Borikenophis portoricensis (Reinhardt and Lütken, 1862) -- valid -- Puerto Rican Racer
  Borikenophis portoricensis portoricensis (Reinhardt and Lütken, 1862) -- valid
  Boryzops Richards, 1936 -- valid
  Boschmaia Reinhard, 1958 -- valid
  Boschmaia munidicola Reinhard, 1958 -- valid
  Bosmina fatalis Burckhardt, 1924 -- valid
  Bosminopsis Richard, 1895 -- valid
  Bosminopsis deitersi Richard, 1895 -- valid
  Bostrychopsis tabori Reichardt, 1962 -- valid
  Bothrioneuron iris Beddard, 1901 -- valid
  Botryias Richardson, 1910A -- valid
  Botryias fructiger Richardson, 1910A -- valid
  Botrylloides Milne-Edwards, 1841 -- valid
  Bourletiella aquatica Maynard, 1951 -- valid
  Bourletiella fallonae Maynard, 1951 -- invalid
  Bourletiella juanitae Maynard, 1951 -- valid
  Bourletiella quadrisignatus Packard, 1873 -- invalid
  Bourletiella russata Maynard, 1951 -- valid
  Bourletiella rustica Maynard, 1951 -- valid
  Bourletiella savona Maynard, 1951 -- valid
  Bovicarabodes Fernández, Theron & Rollard, 2013 -- valid
  Bovichthys variegatus Richardson, 1846 -- invalid -- thornfish, thornfish
  Bovichtus oculus Hardy, 1989 -- valid
  Bovichtus variegatus Richardson, 1846 -- valid -- thornfish
  Bowmaniella bacescui Brattegard, 1970 -- valid
  Bowmaniella parageia Brattegard, 1970 -- valid
  Bowmaniella sewelli Brattegard, 1970 -- valid
  Brachaluteres baueri (Richardson, 1846) -- invalid
  Brachaluteres jacksonianus (Quoy & Gaimard, 1824) -- valid
  Brachionus quadridentatus ancylognathus Schmarda, 1859 -- valid
  Brachirus zebra (Quoy and Gaimard, 1825) -- invalid
  Brachycephalus Hollard, 1857 -- invalid
  Brachycybe picta Gardner, 1975 -- valid
  Brachyinsara Rehn and Hebard, 1914 -- valid
  Brachyinsara hemiptera Hebard, 1939 -- valid
  Brachylaima Dujardin, 1843 -- valid
  Brachyleon Tillyard, 1916 -- valid
  Brachyleptura brevis (Kirby in Richardson, 1837) -- invalid
  Brachylinga squamosa (Hardy, 1943) -- valid
  Brachylophus bulabula Fisher, Harlow, Edwards and Keogh in Keogh, Edwards, Fisher and Harlow, 2008 -- valid -- Central Fijian Banded Iguana
  Brachyophis Mocquard, 1888 -- valid
  Brachyophis revoili Mocquard, 1888 -- valid -- Revoil's Short Snake
  Brachyophis revoili revoili Mocquard, 1888 -- valid
  Brachypauropus andrewsensis Scheller in Scheller and Bernard, 2005 -- valid
  Brachypelma sabulosum (F. O. Pickard-Cambridge, 1897) -- valid
  Brachypelma smithi (F. O. Pickard-Cambridge, 1897) -- valid -- Mexican redknee tarantula
  Brachypterois serrulata (Richardson, 1846) -- valid
  Brachyrhizomys Teilhard de Chardin, 1942 -- invalid
  Brachystola magna (Girard, 1853) -- valid -- lubber grasshopper
  Brachystomella banksi (Maynard, 1951) -- valid
  Bradynotes obesa deplanata Hebard, 1919 -- valid
  Bradynotes obesa kaibab Hebard, 1919 -- valid
  Braga fluvialitis Richardson, 1911 -- invalid
  Braga fluviatilis Richardson, 1911 -- valid
  Branchellion ravenelii (Girard, 1850) -- valid
  Branchinecta coloradensis Packard, 1874 -- valid -- Colorado fairy shrimp
  Branchinecta ferox (H. Milne-Edwards, 1840) -- valid
  Branchinecta lindahli Packard, 1883 -- valid -- versatile fairy shrimp
  Branchinecta pollicifera Harding, 1940 -- invalid
  Branchinecta spinosa (H. Milne-Edwards, 1840) -- invalid
  Branchinella ondonguae (Barnard, 1924) -- valid
  Branchinella spinosa (H. Milne-Edwards, 1840) -- invalid
  Branchinellites ondonguae Barnard, 1924 -- invalid
  Branchipodidae H. Milne-Edwards, 1840 -- valid
  Branchipodopsis browni Barnard, 1929 -- valid
  Branchipodopsis drepane Barnard, 1929 -- valid
  Branchipodopsis kaokoensis Barnard, 1929 -- valid
  Branchipodopsis karroensis Barnard, 1929 -- valid
  Branchipodopsis natalensis Barnard, 1929 -- valid
  Branchipodopsis scambus Barnard, 1929 -- valid
  Branchipodopsis simplex Barnard, 1924 -- valid
  Branchipus ferox H. Milne-Edwards, 1840 -- invalid
  Branchipus spinosa H. Milne-Edwards, 1840 -- invalid
  Branchiura Beddard, 1892 -- valid -- aquatic oligochaete worm
  Branchiura Beddard, 1892 -- invalid
  Branchiura sowerbyi Beddard, 1892 -- valid -- aquatic oligochaete worm
  Brancus lacrimosus Wesolowska & Edwards, 2012 -- valid
  Brancus nigeriensis Wesolowska & Edwards, 2012 -- valid
  Brandtomyia Hardy, 1986 -- valid
  Brandtomyia spuria Hardy, 1986 -- valid
  Branta canadensis hutchinsi (Richardson, 1832) -- invalid
  Branta hutchinsii (Richardson, 1832) -- valid -- Cackling Goose
  Branta hutchinsii hutchinsii (Richardson, 1832) -- valid
  Brebissoniana Locard, 1889 -- invalid
  Bregmaceros houdei Saksena and Richards, 1986 -- valid -- stellate codlet
  Bregmatothrips sonorensis Stannard, 1956 -- invalid
  Brevicornu kingi (Edwards, 1925) -- valid
  Brevipalpia Zacharda, 1980 -- valid
  Breviraja spinacidermis (Barnard, 1923) -- invalid
  Brianola Monard, 1926 -- valid
  Brianola stebleri Monard, 1926 -- valid
  Brolgus Barnard & Drummond, 1978 -- valid
  Bromleyus flavidorsus Hardy, 1944 -- valid
  Brontostoma haematodes (Blanchard, 1846) -- valid
  Brookesia dentata Mocquard, 1900 -- valid -- Toothed Leaf Chameleon
  Brookesia tuberculata Mocquard, 1894 -- valid -- Mount d'Ambre Leaf Chameleon
  Bruunosa Barnard & Karaman, 1987 -- valid
  Bruzelia ascua J. L. Barnard, 1966 -- valid
  Bruzelia diodon K. H. Barnard, 1916 -- valid
  Bruzelia guayacura J. L. Barnard, 1972 -- valid
  Bruzelia inlex J. L. Barnard, 1967 -- valid
  Bruzelia pericu J. L. Barnard, 1972 -- valid
  Bruzelia popolocan J. L. Barnard, 1972 -- valid
  Bruzelia poton J. L. Barnard, 1972 -- valid
  Bruzeliopsis cuspidata (J. L. Barnard, 1962) -- valid
  Bruzeliopsis turba J. L. Barnard, 1964 -- valid
  Bryconamericus Eigenmann in Eigenmann, McAtee and Ward, 1907 -- valid
  Bryconamericus exodon Eigenmann in Eigenmann, McAtee and Ward, 1907 -- valid
  Bryomyia apsectra Edwards, 1938 -- valid
  Bryomyia cambrica Edwards, 1938 -- valid
  Bryttus obesus (Girard, 1854) -- invalid
  Buarremon torquatus perijanus (Phelps & Gilliard, 1940) -- invalid
  Bucco capensis dugandi Gilliard, 1949 -- invalid
  Buckellacris chilcotinae (Hebard, 1922) -- valid
  Buckellacris chilcotinae chilcotinae (Hebard, 1922) -- valid
  Buckellia drakei Pritchard, 1935 -- invalid
  Buckellia hesperia Pritchard, 1935 -- invalid
  Buckellia vera Pritchard, 1935 -- invalid
  Budorcas taxicolor tibetana Milne-Edwards, 1874 -- valid
  Buffonella crucigera Girard, 1853 -- invalid
  Bufo alvarius Girard in Baird, 1859 -- invalid -- Colorado River Toad, Sapo del desierto-sonorense, Sonoran Desert Toad
  Bufo arenarum chaguar Gallardo, 1965 -- invalid
  Bufo arequipensis Vellard, 1959 -- invalid
  Bufo beebei Gallardo, 1965 -- invalid
  Bufo boreas Baird and Girard, 1852 -- invalid -- Sapo del Oeste, Western Toad
  Bufo boreas boreas Baird and Girard, 1852 -- invalid -- Boreal Toad
  Bufo boreas halophilus Baird and Girard, 1853 -- invalid -- California Toad
  Bufo canagicus halophilus Baird and Girard, 1853 -- invalid
  Bufo chevalieri Mocquard, 1908 -- invalid
  Bufo columbiensis Baird and Girard, 1853 -- invalid
  Bufo columbiensis columbiensis Baird and Girard, 1853 -- invalid
  Bufo columbiensis halophilus Baird and Girard, 1853 -- invalid
  Bufo compactilis speciosus Girard, 1854 -- invalid
  Bufo compactilis woodhousii Girard, 1854 -- invalid
  Bufo debilis Girard, 1854 -- invalid -- Green Toad, Sapo verde
  Bufo debilis debilis Girard, 1854 -- invalid -- Eastern Green Toad
  Bufo debilis insidior Girard, 1854 -- invalid -- Western Green Toad
  Bufo decorsei Mocquard, 1903 -- invalid
  Bufo fernandezae Gallardo, 1957 -- invalid
  Bufo flavilineatus Vellard, 1959 -- invalid
  Bufo flavolineatus Vellard, 1959 -- invalid
  Bufo fuligineus Mocquard, 1890 -- invalid
  Bufo gnustae Gallardo, 1967 -- invalid
  Bufo gracilis Girard, 1853 -- invalid
  Bufo granulosus azarai Gallardo, 1965 -- invalid
  Bufo granulosus barbouri Gallardo, 1965 -- invalid
  Bufo granulosus beebei Gallardo, 1965 -- invalid
  Bufo granulosus fernandezae Gallardo, 1957 -- invalid
  Bufo granulosus goeldii Gallardo, 1965 -- invalid
  Bufo granulosus humboldti Gallardo, 1965 -- invalid
  Bufo granulosus lutzi Gallardo, 1965 -- invalid
  Bufo granulosus merianae Gallardo, 1965 -- invalid
  Bufo granulosus mini Gallardo, 1967 -- invalid
  Bufo granulosus minor Gallardo, 1965 -- invalid
  Bufo granulosus mirandaribeiroi Gallardo, 1965 -- invalid
  Bufo halophila Baird and Girard, 1853 -- invalid
  Bufo halophilus Baird and Girard, 1853 -- invalid
  Bufo halophilus columbiensis Baird and Girard, 1853 -- invalid
  Bufo halophilus halophilus Baird and Girard, 1853 -- invalid
  Bufo humbolti Gallardo, 1965 -- invalid
  Bufo insidior Girard, 1854 -- invalid
  Bufo kotagamai Fernando and Dayawansa in Fernando, Dayawansa and Siriwardhane, 1994 -- invalid
  Bufo lamentor Girard, 1859 -- invalid
  Bufo lentiginosus speciosus Girard, 1854 -- invalid
  Bufo lentiginosus woodhousei Girard, 1854 -- invalid
  Bufo lentiginosus woodhousi Girard, 1854 -- invalid
  Bufo lentiginosus woodhousii Girard, 1854 -- invalid
  Bufo lugubrosus Girard, 1853 -- invalid
  Bufo manicorensis Gallardo, 1961 -- invalid
  Bufo nebulifer Girard, 1854 -- invalid -- Gulf Coast Toad
  Bufo nebulifera Girard, 1854 -- invalid
  Bufo nouettei Mocquard, 1910 -- invalid
  Bufo punctatus Baird and Girard, 1852 -- invalid -- Red-spotted Toad, Sapo manchas rojas
  Bufo quechua Gallardo, 1961 -- invalid
  Bufo regularis humbensis Monard, 1937 -- invalid
  Bufo speciosus Girard, 1854 -- invalid -- Sapo texano, Texas Toad
  Bufo spectabilis Girard, 1854 -- invalid
  Bufo spinulifer Mocquard, 1890 -- invalid
  Bufo spinulosus altiperuvianus Gallardo, 1961 -- invalid
  Bufo spinulosus arequipensis Vellard, 1959 -- invalid
  Bufo spinulosus flavolineatus Vellard, 1959 -- invalid
  Bufo viridis nouettei Mocquard, 1910 -- invalid
  Bufo woodhousii Girard, 1854 -- invalid -- Woodhouse's Toad
  Bufo woodhousii woodhousii Girard, 1854 -- invalid -- Rocky Mountain Toad, Woodhouse's Toad
  Bufonella Girard, 1853 -- invalid
  Bufonella crucifera Girard, 1853 -- invalid
  Bugula elongata Norggaard, 1906 -- valid
  Bulia schausi Richards, 1936 -- valid
  Bulia similaris Richards, 1936 -- valid
  Buloloa Hardy, 1986 -- valid
  Buloloa spinicosta Hardy, 1986 -- valid
  Bulweria bulweria (Jardine & Selby, 1828) -- invalid
  Bulweria bulwerii (Jardine & Selby, 1828) -- valid -- Bulwer's Petrel, Pétrel de Bulwer
  Bumeralius Barnard & Drummond, 1982 -- valid
  Bungarus flaviceps Reinhardt, 1843 -- valid -- Red-headed Krait
  Bungarus flaviceps flaviceps Reinhardt, 1843 -- valid
  Bunodeopsis pelagica (Quoy and Gaimard, 1833) -- valid
  Burnilia Muir and Giffard, 1924 -- valid
  Buteo leucorrhous (Quoy & Gaimard, 1824) -- invalid -- White-rumped Hawk
  Buteo polyosoma (Quoy & Gaimard, 1824) -- valid -- Variable Hawk
  Buteo polyosoma polyosoma (Quoy & Gaimard, 1824) -- valid
  Buthraupis montana cucullata (Jardine & Selby, 1842) -- valid
  Byblis barbarensis J. L. Barnard, 1960 -- valid
  Byblis bathyalis J. L. Barnard, 1966 -- valid
  Byblis tannerensis J. L. Barnard, 1966 -- valid
  Byblis teres J. L. Barnard, 1967 -- valid
  Byblis thyabilis J. L. Barnard, 1971 -- valid
  Byblis veleronis J. L. Barnard, 1954 -- valid
  Byblisoides K. H. Barnard, 1931 -- valid
  Bythites Reinhardt, 1835 -- valid
  Bythites fuscus Reinhardt, 1837 -- valid
  Cabecar Baumgardner in Baumgardner and Ávila, 2006 -- valid
  Cabecar serratus Baumgardner and Ávila, 2006 -- valid
  Cabera quadrifasciaria (Packard, 1873) -- valid
  Cabiropidae Giard & Bonnier, 1887 -- valid
  Cabolena kosatli Maya-Morales, Jiménez & Palacios-Cardiel, 2017 -- valid
  Cabolena sotol Maya-Morales, Jiménez & Palacios-Cardiel, 2017 -- valid
  Cacotrophus beameri Reinhard, 1947 -- invalid
  Cacozelus Reinhard, 1943 -- invalid
  Cacozelus riederi Reinhard, 1943 -- invalid
  Cadulus artatus Locard, 1897 -- valid
  Caecidotea Packard, 1871 -- valid
  Caecidotea attenuata (H. Richardson, 1900) -- valid
  Caecidotea nickajackensis Packard, 1881 -- valid -- Nickajack Cave isopod
  Caecidotea stygia Packard, 1871 -- valid
  Caecognathia caeca (Richardson, 1911B) -- valid
  Caecognathia serrata (H. Richardson, 1908) -- valid
  Caeconyx Barnard & Karaman, 1991 -- valid
  Caelatura parreyssia petrini Gardner, 1932 -- invalid
  Caelorinchus acanthiger Barnard, 1925 -- valid -- surgeon grenadier
  Caelorinchus australis (Richardson, 1839) -- valid -- javelin, javelinfish
  Caelorinchus braueri Barnard, 1925 -- valid -- shovelnose grenadier
  Caelorinchus vityazae Iwamoto, Shcherbachev and Marquardt, 2004 -- valid
  Caenanthura siamensis (Barnard, 1925) -- valid
  Caenestheriella belfragei (Packard, 1871) -- invalid
  Caenis eglinensis Pescador and Richard, 2006 -- valid
  Caenohalictus rimosiceps (Packard, 1869) -- valid
  Caenolister Bickhardt, 1921 -- valid
  Caenolister rectisternus Bickhardt, 1921 -- valid
  Caenurgina annexa (H. Edwards, 1890) -- valid
  Caesioperca rasor (Richardson, 1839) -- valid
  Caffrogobius agulhensis (Barnard, 1927) -- valid
  Caffrogobius saldanha (Barnard, 1927) -- valid
  Calamaria butonensis Howard and Gillespie, 2007 -- valid
  Calamaria lateralis Mocquard, 1890 -- valid
  Calamaria longirostris Howard and Gillespie, 2007 -- valid
  Calamaria meleagris Reinhardt, 1843 -- invalid
  Calamaria tenuis Baird and Girard, 1852 -- invalid
  Calamaria unicolor Reinhardt, 1843 -- invalid
  Calappa angusta A. Milne-Edwards, 1880 -- invalid -- nodose box crab
  Calappidae Milne Edwards, 1837 -- valid -- box crabs
  Calappoidea Milne Edwards, 1837 -- valid
  Calassomys Pardińas, Lessa, Teta, Salazar-Bravo and Câmara, 2014 -- valid
  Calassomys apicalis Pardińas, Lessa, Teta, Salazar-Bravo and Câmara, 2014 -- valid
  Calcinus elegans (H. Milne Edwards, 1836) -- valid -- elegant hermit
  Calcinus gaimardii (H. Milne Edwards, 1848) -- valid
  Caleidoscopsis tikal (J. L. Barnard, 1967) -- valid
  Calephelis nemesis (W. H. Edwards, 1871) -- valid -- Fatal Metalmark
  Calephelis nemesis australis (W. H. Edwards, 1877) -- valid
  Calephelis nemesis nemesis (W. H. Edwards, 1871) -- valid
  Calidota laqueata (H. Edwards, 1887) -- valid
  Califanthura minuta Kensley & Heard, 1991 -- valid
  Caligus hyalinae Heegaard, 1966 -- valid
  Calileuctra Shepard and Baumann, 1995 -- valid
  Calileuctra dobryi Shepard and Baumann, 1995 -- valid
  Calileuctra ephemera Shepard and Baumann, 1995 -- valid
  Callantra indecora Hardy, 1974 -- invalid
  Callantra inferna Hardy, 1973 -- invalid
  Callantra nepalensis Hardy, 1964 -- invalid
  Callantra picta Hardy, 1970 -- invalid
  Callantra pullus Hardy, 1982 -- invalid
  Callantra unifasciatus Hardy, 1982 -- invalid
  Callantra vittata Hardy, 1974 -- invalid
  Callianassa bocourti A. Milne-Edwards, 1870 -- invalid
  Callianassa longiventris A. Milne-Edwards, 1870 -- invalid
  Calliax lobata (De Gaillande and Lagardere, 1966) -- valid
  Callichromatini Blanchard, 1845 -- valid
  Callichthys barbatus Quoy and Gaimard, 1824 -- invalid
  Callidium agreste (Kirby in Richardson, 1837) -- invalid
  Calligypona gudruna Gyllensvard, 1967 -- valid
  Callinectes bocourti A. Milne-Edwards, 1879 -- valid -- Bocourt swimming crab
  Callinectes marginatus (A. Milne-Edwards, 1861) -- valid -- sharptooth swimcrab
  Calliodon chlorolepis Richardson, 1845 -- invalid
  Callionymus amboina Suwardji, 1965 -- valid
  Callionymus belcheri Richardson, 1844 -- valid
  Callionymus calauropomus Richardson, 1844 -- invalid -- mottled dragonet, mottled dragonet
  Callionymus hindsii Richardson, 1844 -- valid
  Callionymus meridionalis Suwardji, 1965 -- valid
  Callionymus mortenseni Suwardji, 1965 -- valid
  Calliophis gracilis Gray in Gray and Hardwicke, 1835 -- valid -- Gray Coral Snake, Spotted Coral Snake
  Calliophis gracillis Gray in Gray and Hardwicke, 1835 -- invalid
  Calliophis intestinalis lineata (Gray in Gray and Hardwicke, 1835) -- invalid
  Calliophis intestinalis lineatus (Gray in Gray and Hardwicke, 1835) -- valid
  Callirhinus patagoniensis Girard, 1858 -- invalid
  Callisaurus draconoides myurus Richardson, 1915 -- valid -- Nevada Gridiron-tailed Lizard, Nevada Zebratail Lizard, Northern Zebra-tailed Lizard
  Callistethus Blanchard, 1851 -- invalid
  Callizzia Packard, 1876 -- valid
  Callizzia amorata Packard, 1876 -- valid -- Gray Scoopwing
  Callohesma tibialis (Cardale, 1993) -- valid
  Callophrys affinis (W. H. Edwards, 1862) -- valid
  Callophrys affinis affinis (W. H. Edwards, 1862) -- valid
  Callophrys affinis apama (W. H. Edwards, 1882) -- valid
  Callophrys dumetorum affinis (W. H. Edwards, 1862) -- invalid -- 'Immaculate' Bramble Hairstreak
  Callophrys dumetorum apama (W. H. Edwards, 1882) -- invalid -- 'Canyon' Bramble Hairstreak
  Callophrys dumetorum viridis (W. H. Edwards, 1862) -- invalid -- 'Coastal' Bramble Hairstreak
  Callophrys gryneus castalis (W. H. Edwards, 1871) -- valid
  Callophrys gryneus muiri (Hy. Edwards, 1881) -- invalid -- 'Muir's' Juniper Hairstreak
  Callophrys gryneus siva (W. H. Edwards, 1874) -- valid -- 'Siva' Juniper Hairstreak
  Callophrys lanoraieensis (Sheppard, 1934) -- valid -- Bog Elfin
  Callophrys mossii (Hy. Edwards, 1881) -- valid -- Moss' Elfin
  Callophrys mossii mossii (Hy. Edwards, 1881) -- valid
  Callophrys muiri (Hy. Edwards, 1881) -- valid
  Callophrys sheridanii (W. H. Edwards, 1877) -- valid -- Sheridan's Hairstreak
  Callophrys sheridanii sheridanii (W. H. Edwards, 1877) -- valid -- 'White-lined' Sheridan's Hairstreak
  Callosamia Packard, 1864 -- valid
  Callosciurus erythraeus griseimanus (Milne-Edwards, 1867) -- valid
  Callosciurus finlaysonii bocourti (Milne-Edwards, 1867) -- valid
  Callosciurus finlaysonii germaini (Milne-Edwards, 1867) -- valid
  Callosciurus finlaysonii harmandi (Milne-Edwards, 1877) -- valid
  Callulops fojaensis Oliver, Richards and Tjaturadi, 2012 -- valid
  Callulops mediodiscus Oliver, Richards and Tjaturadi, 2012 -- valid
  Callulops sagittatus Richards, Burton, Cunningham and Dennis, 1995 -- valid
  Callyodon pyrrostethus (Richardson, 1846) -- invalid -- flamebreasted parrotfish
  Calmanesia erinaceus Barnard, 1958 -- valid
  Calmanesia lonchotes Barnard, 1960 -- valid
  Calocalanus pseudocontractus Bernard, 1958 -- valid
  Calocarides longispinis (McArdle, 1901) -- valid
  Calophrynus calcaratus Mocquard, 1895 -- invalid
  Calotes minor (Hardwicke and Gray, 1827) -- valid -- Dwarf Rock Agama, Hardwicke's Bloodsucker
  Calotomus spinidens (Quoy and Gaimard, 1824) -- valid -- halftoothed parrotfish
  Calozodian Gardiner, 1973 -- invalid
  Calozodian wadei Gardiner, 1973 -- invalid
  Calozodion Gardiner, 1973 -- valid
  Calozodion wadei Gardiner, 1973 -- valid
  Calumma fallax (Mocquard, 1900) -- valid
  Calyptrosomus Reinhard, 1956 -- invalid
  Calyptrosomus dapsilis Reinhard, 1956 -- invalid
  Cambarellinae Laguarda, 1961 -- invalid
  Cambarus (Exilicambarus) R. W. Bouchard and Hobbs, 1976 -- invalid
  Cambarus (Glareocola) R. W. Bouchard and J. W. Bouchard, 1995 -- invalid
  Cambarus acutissimus Girard, 1852 -- invalid
  Cambarus acutus Girard, 1852 -- invalid
  Cambarus angularis Hobbs and R. W. Bouchard, 1994 -- valid -- Angled Crayfish
  Cambarus buntingi R. W. Bouchard, 1973 -- valid -- Bunting crayfish, Longclaw Crayfish
  Cambarus clarkii Girard, 1852 -- invalid
  Cambarus cracens R. W. Bouchard and Hobbs, 1976 -- valid -- Slenderclaw Crayfish
  Cambarus crinipes R. W. Bouchard, 1973 -- valid -- Hairyfoot Crayfish
  Cambarus cumberlandensis Hobbs and R. W. Bouchard, 1973 -- valid -- Cumberland crayfish
  Cambarus deweesae R. W. Bouchard and Etnier, 1979 -- valid -- valley flame crayfish
  Cambarus diogenes Girard, 1852 -- invalid -- devil crawfish, devil crayfish
  Cambarus gambelii Girard, 1852 -- invalid
  Cambarus hamulatus (Cope and Packard, 1881) -- valid -- Prickly Cave Crayfish
  Cambarus longulus Girard, 1852 -- valid -- Atlantic Slope Crayfish
  Cambarus montanus Girard, 1852 -- invalid
  Cambarus nebrascensis Girard, 1852 -- invalid
  Cambarus nodosus R. W. Bouchard and Hobbs, 1976 -- valid -- Knotty Burrowing Crayfish
  Cambarus pealei Girard, 1852 -- invalid
  Cambarus primaevus Packard, 1880 -- invalid
  Cambarus propinquus Girard, 1852 -- invalid
  Cambarus pyronotus R. W. Bouchard, 1978 -- valid -- fireback crayfish
  Cambarus robustus Girard, 1852 -- valid -- big water crayfish
  Cambarus rusticus Girard, 1852 -- invalid
  Cambarus williami R. W. Bouchard and J. W. Bouchard, 1995 -- valid -- Brawleys Fork crayfish
  Camillina pedestris (O. Pickard-Cambridge, 1898) -- valid
  Camisia zangherii Lombardini, 1963 -- valid
  Campeprosopa bella Edwards, 1919 -- valid
  Campeprosopa ornata (Edwards, 1919) -- valid
  Campeprosopa pulchra (Edwards, 1919) -- valid
  Camperosopa ornata Edwards, 1919 -- invalid
  Camperosopa pulchra Edwards, 1919 -- invalid
  Campiglossa brunneimacula (Hardy, 1988) -- valid
  Campiglossa coei (Hardy, 1964) -- valid
  Campiglossa infrequens (Hardy & Drew, 1996) -- valid
  Campiglossa philippinensis (Hardy, 1974) -- valid
  Campiglossa siamensis (Hardy, 1973) -- valid
  Campiglossa spenceri (Hardy, 1973) -- valid
  Campiglossa transversa Hardy & Drew, 1996 -- valid
  Campiglossa turneri Hardy & Drew, 1996 -- valid
  Campiglossa vaga Hardy & Drew, 1996 -- valid
  Campiglossa whitei Hardy & Drew, 1996 -- valid
  Campodea montis Gardner, 1914 -- valid
  Camponotus compressus nitens Bernard, 1953 -- valid
  Camponotus foleyi ajjer Bernard, 1953 -- valid
  Camponotus foleyi fezzanensis Bernard, 1953 -- valid
  Camponotus foleyi grasi Bernard, 1953 -- valid
  Camponotus foleyi hoggarensis Bernard, 1953 -- valid
  Camponotus foleyi lelubrei Bernard, 1953 -- valid
  Camponotus foleyi rufescens Bernard, 1953 -- valid
  Campostoma ornatum Girard, 1856 -- valid -- Mexican stoneroller, rodapiedras mexicano
  Campsicnemus aeptus Hardy, 1964 -- valid
  Campsicnemus alblytylus Hardy, 1964 -- valid
  Campsicnemus bicrenatus Hardy, 1964 -- valid
  Campsicnemus biseta Hardy, 1964 -- valid
  Campsicnemus brevitibia Hardy, 1964 -- valid
  Campsicnemus brunnescens Hardy, 1964 -- valid
  Campsicnemus camptoplax Hardy, 1964 -- valid
  Campsicnemus capitulatus Hardy, 1964 -- valid
  Campsicnemus carinatus Hardy, 1964 -- valid
  Campsicnemus chauliopodus Hardy, 1964 -- valid
  Campsicnemus clinotibia Hardy, 1964 -- valid
  Campsicnemus comatus Hardy, 1964 -- valid
  Campsicnemus compressus Hardy, 1964 -- valid
  Campsicnemus conculus Hardy, 1964 -- valid
  Campsicnemus cracens Hardy, 1964 -- valid
  Campsicnemus crassipes Hardy, 1964 -- valid
  Campsicnemus crossotibia Hardy, 1964 -- valid
  Campsicnemus crossotus Hardy, 1964 -- valid
  Campsicnemus diamphidius Hardy, 1964 -- valid
  Campsicnemus dicondylus Hardy, 1964 -- valid
  Campsicnemus diffusus Hardy, 1964 -- valid
  Campsicnemus disjunctus Hardy, 1964 -- valid
  Campsicnemus distinctus Hardy, 1964 -- valid
  Campsicnemus drymoscartes Hardy, 1964 -- valid
  Campsicnemus ephydrus Hardy, 1964 -- valid
  Campsicnemus exguus Hardy, 1964 -- valid
  Campsicnemus exmius Hardy, 1964 -- valid
  Campsicnemus flavipes Hardy, 1964 -- valid
  Campsicnemus flavithorax Hardy, 1964 -- valid
  Campsicnemus flaviventer Hardy, 1964 -- valid
  Campsicnemus fulvifacies Hardy, 1964 -- valid
  Campsicnemus fusticulus Hardy, 1964 -- valid
  Campsicnemus goniochaeta Hardy, 1964 -- valid
  Campsicnemus helvolus Hardy, 1964 -- valid
  Campsicnemus hispidipes Hardy, 1964 -- valid
  Campsicnemus hygrophilus Hardy, 1964 -- valid
  Campsicnemus impariseta Hardy, 1964 -- valid
  Campsicnemus inaequalis Hardy, 1964 -- valid
  Campsicnemus indecorus Hardy, 1964 -- valid
  Campsicnemus insuetus Hardy, 1964 -- valid
  Campsicnemus labilis Hardy, 1964 -- valid
  Campsicnemus latipenna Hardy, 1964 -- valid
  Campsicnemus lepidochaites Hardy, 1964 -- valid
  Campsicnemus longitibia Hardy, 1964 -- valid
  Campsicnemus loxothrix Hardy, 1964 -- valid
  Campsicnemus mediofloccus Hardy, 1964 -- valid
  Campsicnemus modicus Hardy, 1964 -- valid
  Campsicnemus mucronatus Hardy, 1964 -- valid
  Campsicnemus munduluws Hardy, 1964 -- valid
  Campsicnemus nambai Hardy, 1964 -- valid
  Campsicnemus norops Hardy, 1964 -- valid
  Campsicnemus paniculatus Hardy, 1964 -- valid
  Campsicnemus parvulus Hardy, 1964 -- valid
  Campsicnemus perplexus Hardy, 1964 -- valid
  Campsicnemus petalicnemus Hardy, 1964 -- valid
  Campsicnemus pherocteis Hardy, 1964 -- valid
  Campsicnemus philohydratus Hardy, 1964 -- valid
  Campsicnemus platystylatus Hardy, 1964 -- valid
  Campsicnemus pycnochaeta Hardy, 1964 -- valid
  Campsicnemus restrictus Hardy, 1964 -- valid
  Campsicnemus rhyphopus Hardy, 1964 -- valid
  Campsicnemus sciarus Hardy, 1964 -- valid
  Campsicnemus scolimerus Hardy, 1964 -- valid
  Campsicnemus setiger Hardy, 1964 -- valid
  Campsicnemus silvaticus Hardy, 1964 -- valid
  Campsicnemus spinicoxa Hardy, 1964 -- valid
  Campsicnemus terracolus Hardy, 1964 -- valid
  Campsicnemus truncatus Hardy, 1964 -- valid
  Campsicnemus undulatus Hardy, 1964 -- valid
  Campsicnemus uniseta Hardy, 1964 -- valid
  Campsicnemus viridulus Hardy, 1964 -- valid
  Camptocladius eltoni Edwards, 1922 -- invalid
  Camptocladius oxoniana Edwards, 1922 -- invalid
  Camptopsis strigosa Reinhard, 1945 -- invalid
  Camptoscaphiella infernalis Harvey & Edward, 2007 -- valid
  Campylacantha lamprotata Rehn and Hebard, 1909 -- valid
  Campylocheta atriceps (Reinhard, 1952) -- valid
  Campylocheta canora (Reinhard, 1952) -- valid
  Campylocheta nasellensis (Reinhard, 1952) -- valid
  Campylocheta rindgei (Reinhard, 1952) -- valid
  Campylocheta teliosis (Reinhard, 1952) -- valid
  Campylocythere Edwards, 1944 -- valid
  Campylocythere laeva Edwards, 1944 -- valid
  Camuriana Bourguignat in Locard, 1890 -- invalid
  Cancellus H. Milne-Edwards, 1836 -- valid
  Cancer captivus Nardo, 1847 -- invalid
  Cancricepon Giard and Bonnier, 1887 -- valid
  Cancricepon elegans (Giard & Bonnier, 1886) -- valid
  Cancricepon pilula (Giard & Bonnier, 1886) -- valid
  Cancricepon xanthi (Richardson, 1910) -- valid
  Cancrion Giard and Bonnier, 1886 -- valid
  Cancrion floridus Giard and Bonnier, 1886 -- valid
  Cancrion miser Giard and Bonnier, 1886 -- valid
  Candelabrum frichtmanni Hewitt & Goddard, 2001 -- invalid
  Candelabrum fritchmanii Hewitt and Goddard, 2001 -- valid
  Candidia Jordan and Richardson, 1909 -- valid
  Canelomyia Reinhard, 1958 -- invalid
  Canelomyia fumator Reinhard, 1958 -- invalid
  Canis lupus fuscus Richardson, 1839 -- valid
  Canis lupus occidentalis Richardson, 1829 -- valid
  Cantharis curtisi (Kirby in Richards, 1837) -- valid
  Cantharis westwoodi (Kirby in Richards, 1837) -- valid
  Cantherhines ayraudi (Quoy & Gaimard, 1824) -- invalid -- Chinaman leatherjacket, yellow leatherjacket
  Cantherhines dumerili (Hollard, 1854) -- invalid -- whitespotted filefish
  Cantherhines dumerilii (Hollard, 1854) -- valid -- barred filefish, Barred Filefish, lija vagabunda
  Cantherhines macrocerus (Hollard in Guichenot, 1853) -- valid -- lija de lunares blancos, Whitespotted Filefish, whitespotted filefish
  Cantherhines sandwichiensis (Quoy & Gaimard, 1824) -- valid -- brown leatherjacket
  Cantherines arenaceus Barnard, 1927 -- invalid
  Cantherines modestoides Barnard, 1927 -- invalid
  Canthigaster solandri (Richardson, 1845) -- valid -- false-eye toby
  Canthyporus kenyensis Bilardo and Sanfilippo, 1979 -- valid
  Cantoria Girard, 1858 -- valid
  Cantoria violacea Girard, 1858 -- valid -- Cantor's Water Snake
  Capeyorkia Richardson, 2016 -- valid
  Capicola danforthi Eardley, 2007 -- valid
  Capicola flavicara Eardley, 2007 -- valid
  Capicola gessorum Eardley, 2007 -- valid
  Capra hircus picta (Erhard, 1858) -- valid
  Caprimulgus cayennensis leopetes Jardine & Selby, 1830 -- invalid
  Caprimulgus leopetes Jardine & Selby, 1830 -- invalid
  Caraiba andreae (Reinhardt and Lütken, 1862) -- valid -- Black and White Racer
  Caraiba andreae andreae (Reinhardt and Lütken, 1862) -- valid
  Carangolia J. L. Barnard, 1961 -- valid
  Carangolia mandibularis J. L. Barnard, 1961 -- valid
  Caranx lutescens (Richardson and Solander in Richardson, 1843) -- invalid -- araara, trevally, trevally
  Caranx sexfasciatus Quoy and Gaimard, 1825 -- valid -- bigeye trevally, great trevally, jurel voraz
  Carapus homei (Richardson, 1846) -- invalid -- pearlfish, silver pearlfish
  Carassioides acuminatus (Richardson, 1846) -- valid
  Carcelia tenuiforceps (Reinhard, 1964) -- valid
  Carcharhinus melanopterus (Quoy and Gaimard, 1824) -- valid -- blacktip reef shark
  Carcharhinus plumbeus (Nardo, 1827) -- valid -- arenero, sandbar shark, tiburón aleta de cartón
  Carcharias marianensis Engelhardt, 1912 -- invalid
  Carcharias melanopterus Quoy and Gaimard, 1824 -- invalid
  Carcharodorhynchus polyorchis L'Hardy, 1963 -- valid
  Carcinoplax H. Milne Edwards, 1852 -- valid
  Carcinops salome Bickhardt, 1921 -- valid
  Cardenioidae Barnard & Karaman, 1987 -- valid
  Cardiocondyla emeryi fezzanensis Bernard, 1948 -- valid
  Cardiocondyla jacquemini Bernard, 1953 -- valid
  Cardiocondyla provincialis Bernard, 1956 -- valid
  Cardiomya isolirata Bernard, 1969 -- valid -- lirate cardiomya
  Carectocultus Blanchard, 1975 -- valid
  Carectocultus dominicki A. Blanchard, 1975 -- valid
  Carenoceraeus Schmarda, 1859 -- invalid
  Careproctus albescens Barnard, 1927 -- valid
  Caretta rostrata Girard, 1858 -- invalid
  Caretta squamosa Girard, 1858 -- invalid
  Cariblatta Hebard, 1916 -- valid
  Cariblatta minima Hebard, 1916 -- valid
  Caridina H. Milne Edwards, 1837 -- valid
  Carinacauda Leonard, Chichester, Richart and Young, 2011 -- valid
  Carinacauda stormi Leonard, Chichester, Richart and Young, 2011 -- valid -- Cascade Axetail
  Carineta aratayensis Boulard, 1986 -- valid
  Carineta carayoni Boulard, 1986 -- valid
  Carineta criqualicae Boulard, 1986 -- valid
  Carineta dolosa Boulard, 1986 -- valid
  Carineta durantoni Boulard, 1986 -- valid
  Carineta gemella Boulard, 1986 -- valid
  Carineta genitalostridens Boulard, 1986 -- valid
  Carineta imperfecta Boulard, 1986 -- valid
  Carineta lichiana Boulard, 1986 -- valid
  Carineta naponore Boulard, 1986 -- valid
  Carineta strigilifera Boulard, 1986 -- valid
  Carineta tigrina Boulard, 1986 -- valid
  Carineta urostridulens Boulard, 1986 -- valid
  Carineta ventrilloni Boulard, 1986 -- valid
  Carinosillus Reinhard, 1943 -- invalid
  Carinosillus pravus Reinhard, 1943 -- invalid
  Caripeta angustioraria Packard, 1876 -- invalid
  Caripeta piniata (Packard, 1870) -- valid -- Northern Pine Looper Moth
  Carololangia Gardiner, 1975 -- valid
  Carololangia mirabunda Gardiner, 1975 -- valid
  Carpias Richardson, 1902 -- valid
  Carpias bermudensis H. Richardson, 1902 -- valid
  Carpias minutus (H. Richardson, 1902) -- valid
  Carpoapseudes austroafricanus (Barnard, 1940) -- valid
  Carpodacus davidianus Milne-Edwards, 1865 -- valid -- Chinese Beautiful Rosefinch
  Carpodacus pulcherrimus davidianus Milne-Edwards, 1865 -- invalid
  Carpophilus brevipennis (Blanchard, 1842) -- valid
  Carpophthorella bivittata Hardy, 1988 -- valid
  Carsia paludata boreata Packard, 1873 -- invalid
  Carsia sororiata alpinata Packard, 1873 -- valid
  Carterocephalus palaemon mandan (W. H. Edwards, 1863) -- valid
  Carterocephalus palaemon skada (W. H. Edwards, 1870) -- valid
  Carvalhoiana Locard, 1890 -- invalid
  Caryophyllia capensis Gardiner, 1904 -- valid
  Caryophyllia grandis Gardiner and Waugh, 1938 -- valid
  Caryophyllia grayi (Milne-Edwards and Haime, 1848) -- valid
  Caryophyllia mabahithi Gardiner and Waugh, 1938 -- valid
  Caryophyllia sewelli Gardiner and Waugh, 1938 -- valid
  Caseya benedictae Gardner & Shelley, 1989 -- valid
  Caseya borealis Gardner & Shelley, 1989 -- valid
  Caseya bryophila Gardner & Shelley, 1989 -- valid
  Caseya bucketti Gardner & Shelley, 1989 -- valid
  Caseya dendrogona Gardner & Shelley, 1989 -- valid
  Caseya guttata Gardner & Shelley, 1989 -- valid
  Caseya heteropa disjuncta Gardner & Shelley, 1989 -- valid
  Caseya heteropa montana Gardner & Shelley, 1989 -- valid
  Caseya heteropa oraria Gardner & Shelley, 1989 -- valid
  Caseya longiloba Gardner & Shelley, 1989 -- valid
  Caseya megasoma Gardner & Shelley, 1989 -- valid
  Caseya occidentalis Gardner & Shelley, 1989 -- valid
  Caseya paradoxa Gardner & Shelley, 1989 -- valid
  Caseya prionota Gardner & Shelley, 1989 -- valid
  Caseya shastensis Gardner & Shelley, 1989 -- valid
  Caseya subtilis Gardner & Shelley, 1989 -- valid
  Caseya taliae Gardner & Shelley, 1989 -- valid
  Caseya westcotti Gardner & Shelley, 1989 -- valid
  Cassidias Richardson, 1906 -- valid
  Cassidias africana Barnard, 1920 -- valid
  Cassidias argentinea Richardson, 1906A -- valid
  Cassidina H. Milne-Edwards, 1840 -- valid
  Cassidina typa H. Milne-Edwards, 1840 -- valid
  Cassidinidea lunifrons (Richardson, 1900B) -- valid
  Cassidinidea tuberculata Richardson, 1912A -- valid
  Cassidisca Richardson, 1905 -- invalid
  Cassina Girard, 1853 -- invalid
  Cassiniopsis Monard, 1937 -- invalid
  Cassiniopsis kuvangensis Monard, 1937 -- invalid
  Castrella truncata (Abildgaard, 1789) -- valid
  Catacraerus Bickhardt, 1920 -- valid
  Catacraerus cupreonitens Bickhardt, 1920 -- valid
  Catacraerus kolbei Bickhardt, 1920 -- valid
  Catacraerus tessmanni Bickhardt, 1920 -- valid
  Catacraerus urbani Bickhardt, 1920 -- valid
  Cataglyphis albicans fezzanensis Bernard, 1948 -- valid
  Catalaphyllia plicata (Milne-Edwards and Haime, 1857) -- valid
  Catamenia inornata mucuchiesi Phelps & Gilliard, 1941 -- valid
  Catapaguroides A. Milne-Edwards and Bouvier, 1892 -- valid
  Catapaguroides microps A. Milne-Edwards and Bouvier, 1893 -- valid
  Catapagurus A. Milne-Edwards, 1880 -- valid
  Catapagurus sharreri A. Milne-Edwards, 1880 -- valid
  Catenotaenioides Haukisalmi, Hardman & Henttonen, 2010 -- valid
  Catenula bina Schmarda, 1859 -- invalid
  Catenula quaterna Schmarda, 1859 -- valid
  Catharosia lustrans (Reinhard, 1944) -- valid
  Catharus guttatus faxoni (Bangs & T. E. Penard, 1921) -- valid
  Catocala andromache H. Edwards, 1885 -- valid
  Catocala augusta H. Edwards, 1875 -- invalid
  Catocala briseis W. H. Edwards, 1864 -- valid -- briseis underwing, likenée Briseis
  Catocala californica W. H. Edwards, 1864 -- valid
  Catocala desdemona H. Edwards, 1882 -- valid
  Catocala editha W. H. Edwards, 1874 -- invalid
  Catocala gracilis W. H. Edwards, 1864 -- valid
  Catocala hermia H. Edwards, 1880 -- valid
  Catocala hermia francisca H. Edwards, 1880 -- valid
  Catocala hermia hermia H. Edwards, 1880 -- valid
  Catocala jessica H. Edwards, 1877 -- valid
  Catocala marmorata W. H. Edwards, 1864 -- valid -- Marbled Underwing
  Catocala minuta W. H. Edwards, 1864 -- valid -- Little Underwing
  Catocala miranda H. Edwards, 1881 -- valid -- Miranda Underwing
  Catocala nebulosa W. H. Edwards, 1864 -- valid -- Clouded Underwing
  Catocala nerissa H. Edwards, 1880 -- invalid
  Catocala olivia H. Edwards, 1880 -- invalid
  Catocala ophelia H. Edwards, 1880 -- valid
  Catocala piatrix dionyza H. Edwards, 1885 -- valid
  Catocala serena W. H. Edwards, 1864 -- valid
  Catocala similis W. H. Edwards, 1864 -- valid
  Catocala tristis W. H. Edwards, 1864 -- invalid
  Catocala valeria H. Edwards, 1880 -- invalid
  Catocala violenta H. Edwards, 1880 -- valid
  Catops gratiosus (Blanchard, 1915) -- valid
  Catoptrus A. Milne-Edwards, 1870 -- valid
  Catoptrus nitidus A. Milne-Edwards, 1870 -- valid
  Catopuma temminckii tristis (Milne-Edwards, 1872) -- valid
  Catostomus bernardini Girard, 1856 -- valid -- matalote yaqui, Yaqui sucker
  Catostomus clarki Baird and Girard, 1854 -- invalid -- desert sucker
  Catostomus clarkii Baird and Girard, 1854 -- valid -- desert sucker, matalote del desierto
  Catostomus insignis Baird and Girard, 1854 -- valid -- matalote de Sonora, Sonora sucker
  Catostomus latipinnis Baird and Girard, 1853 -- valid -- flannelmouth sucker
  Catostomus macrocheilus Girard, 1856 -- valid -- largescale sucker
  Catostomus plebeius Baird and Girard, 1854 -- valid -- matalote del Bravo, Rio Grande sucker
  Catostylus mosaicus (Quoy and Gaimard, 1824) -- valid
  Catreus wallichi (Hardwicke, 1827) -- invalid
  Catreus wallichii (Hardwicke, 1827) -- valid -- Cheer Pheasant
  Cattasoma festinans Reinhard, 1947 -- valid
  Cattasoma mediocre Reinhard, 1947 -- valid
  Cattasoma mediocris Reinhard, 1947 -- invalid
  Caulastraea echinulata (Milne-Edwards and Haime, 1849) -- valid
  Caulostoma occiduaria Packard, 1874 -- invalid
  Cautethia grotei H. Edwards, 1882 -- valid -- Grote's Sphinx
  Cauvetauropus arbustivus (Remy and Bittard, 1956) -- valid
  Cavaecarabodes Fernández, Theron, Rollard & Castillo, 2014 -- valid
  Cavolinaptera pulex Richards, 1967 -- invalid
  Cavolinia Abildgaard, 1791 -- valid
  Cebidichthys violaceus (Girard, 1854) -- valid -- abrojo cara de mono, monkeyface prickleback
  Cecidomyia cattleyae Molliard, 1903 -- invalid
  Cecidomyia rosarum Hardy, 1850 -- invalid
  Cecidomyia salicisbrassicoides Packard, 1869 -- invalid
  Cecropis semirufa gordoni (Jardine, 1852) -- valid
  Cedrosella Barnard and Karaman, 1987 -- valid
  Cedrosella fomes (J. L. Barnard, 1967) -- valid
  Ceinidae Barnard, 1972 -- valid
  Celaenia atkinsoni (O. Pickard-Cambridge, 1880) -- valid
  Celaenia distincta (O. Pickard-Cambridge, 1869) -- valid
  Celaenia dubia (O. Pickard-Cambridge, 1869) -- valid
  Celaenia hectori (O. Pickard-Cambridge, 1880) -- valid
  Celastrina echo (W. H. Edwards, 1864) -- valid
  Celastrina echo cinerea (W. H. Edwards, 1883) -- valid
  Celastrina echo echo (W. H. Edwards, 1864) -- valid
  Celastrina ladon neglecta (W. H. Edwards, 1862) -- invalid -- 'Summer' Spring Azure
  Celastrina ladon violacea (W. H. Edwards, 1866) -- invalid -- 'Edward's' Spring Azure
  Celastrina neglecta (W. H. Edwards, 1862) -- valid
  Celia Shuckard, 1837 -- invalid
  Celidosoma Hardy, 1965 -- valid
  Celidosoma nigrocincta Hardy, 1965 -- valid
  Celidosphenella bella (Blanchard, 1852) -- valid
  Celidosphenella poecilla Stuardo, 1946 -- invalid
  Celidosphenella stonei (Stuardo, 1946) -- valid
  Celithemis verna Pritchard, 1935 -- valid -- Double-ringed Pennant
  Cellepora coccinea Abildgaard, 1806 -- invalid
  Cellepora surcularis (Packard, 1863) -- valid
  Celleporina decipiens Hayward, 1976 -- valid
  Celotes nessus (W. H. Edwards, 1877) -- valid -- Common Streaky-Skipper
  Celotrophus Reinhard, 1958 -- invalid
  Celotrophus soporis Reinhard, 1958 -- invalid
  Cembalea affinis Rollard & Wesolowska, 2002 -- valid
  Cemonus lethifer Shuckard, 1837 -- invalid
  Cemonus luctuosus (Shuckard, 1837) -- invalid
  Centridermichthys Richardson, 1845 -- invalid
  Centris braccata Packard, 1869 -- valid
  Centris conica (Packard, 1869) -- invalid
  Centris langsdorfii Blanchard, 1840 -- valid
  Centris langsdorsii Blanchard, 1840 -- invalid
  Centris quadrimaculata Packard, 1869 -- valid
  Centris quadrimaculata quadrimaculata Packard, 1869 -- valid
  Centriscops humerosus (Richardson, 1846) -- valid -- bellowfish, bellowfish
  Centroderes spinosus (Reinhard, 1881) -- valid
  Centrogenys Richardson, 1842 -- valid
  Centrogenys vaigiensis (Quoy and Gaimard, 1824) -- valid
  Centrolene paezorum Ruiz-Carranza, Hernández-Camacho and Ardila-Robayo, 1986 -- valid
  Centrolene sabini Catenazzi, Von May, Lehr, Gagliardi-Urrutia and Guayasamin, 2012 -- valid
  Centrolenella orientalis tobagoensis Hardy, 1984 -- invalid
  Centrolenella savagei Harding, 1991 -- invalid
  Centromedon pavor J. L. Barnard, 1966 -- valid
  Centromyrmex constanciae guineensis Bernard, 1953 -- valid
  Centropus celebensis Quoy & Gaimard, 1830 -- valid -- Bay Coucal
  Centropus celebensis celebensis Quoy & Gaimard, 1830 -- valid
  Centropus violaceus Quoy & Gaimard, 1830 -- valid -- Violet Coucal
  Centrorhynchus milvus Ward, 1956 -- valid
  Centrorhynchus robustus Richardson and Nickol, 1995 -- valid
  Centroscyllium fabricii (Reinhardt, 1825) -- valid -- aiguillat noir, black dogfish
  Centrostomum dubium Schmarda, 1859 -- invalid
  Centrostomum gigas (Schmarda, 1859) -- invalid
  Centrostomum polycyclium Schmarda, 1859 -- invalid
  Centrostomum polysorum Schmarda, 1859 -- invalid
  Centrostomum taenium Schmarda, 1859 -- invalid
  Cephalobares O. Pickard-Cambridge, 1871 -- valid
  Cephalobares globiceps O. Pickard-Cambridge, 1871 -- valid
  Cephalochlamys Blanchard, 1908 -- valid
  Cephalophoxoides homilis (J. L. Barnard, 1960) -- valid
  Cephaloplagia Reinhard, 1964 -- invalid
  Cephaloplagia nubecula Reinhard, 1964 -- invalid
  Cephalosphaera maximus Hardy, 1943 -- valid
  Cephalosphaera tibialis Hardy, 1943 -- valid
  Cephea mosaica Quoy and Gaimard, 1824 -- invalid
  Ceraclea cuprea (Barnard, 1934) -- valid
  Ceraclea cuprea subfusca Barnard, 1934 -- valid
  Ceraclea improcera (Edwards, 1956) -- invalid
  Ceraclea riparia (Albarda, 1874) -- valid
  Ceraclea scopulosa Leonard & Leonard, 1949 -- invalid
  Ceradocus hawaiiensis J. L. Barnard, 1955 -- valid
  Ceradocus paucidentatus J. L. Barnard, 1952 -- valid
  Cerapachys villiersi Bernard, 1953 -- valid
  Cerapus benthophilus Thomas and Heard, 1979 -- valid
  Ceratina ballotae Eardley & Daly, 2007 -- valid
  Ceratina barbarae Eardley & Daly, 2007 -- valid
  Ceratina braunsi Eardley & Daly, 2007 -- valid
  Ceratina gnoma Eardley & Daly, 2007 -- valid
  Ceratina hexae Eardley & Daly, 2007 -- valid
  Ceratina namibensis Eardley & Daly, 2007 -- valid
  Ceratina stuckenbergi Eardley & Daly, 2007 -- valid
  Ceratina whiteheadi Eardley & Daly, 2007 -- valid
  Ceratitella asiatica Hardy, 1967 -- invalid
  Ceratitella bifasciata Hardy, 1967 -- valid
  Ceratitella nitida (Hardy, 1973) -- valid
  Ceratitella unifasciata Hardy, 1967 -- valid
  Ceratocephalus Woodward, 1877 -- valid
  Ceratocephalus grayanus Woodward, 1877 -- valid
  Ceratocymba sagittata (Quoy and Gaimard, 1827) -- valid
  Ceratodalia Packard, 1876 -- valid
  Ceratodalia gueneata Packard, 1876 -- valid
  Ceratomyiella bicincta Reinhard, 1934 -- invalid
  Ceratomyiella orbitalis Reinhard, 1934 -- invalid
  Ceratophorus Shuckard, 1837 -- invalid
  Ceratophrys cultripes (Reinhardt and Lütken, 1862) -- invalid
  Ceratophrys pierotti Vellard, 1948 -- invalid
  Ceratophrys pierottii Vellard, 1948 -- invalid
  Ceratophysella boletivora (Packard, 1873) -- valid
  Ceratophysella densornata (Maynard, 1951) -- valid
  Ceratophysella lucifuga (Packard, 1889) -- valid
  Ceratophysella macrospinata (Maynard, 1951) -- valid
  Ceratophysella mocambicensis Cardoso, 1973 -- valid
  Ceratophysella pratorum (Packard, 1873) -- valid
  Ceratostizus moneduloides (Packard, 1867) -- invalid
  Ceratothoa angulata (Richardson, 1910A) -- valid
  Ceratothoa gaudichaudii (H. Milne Edwards, 1840) -- valid
  Ceratothoa gilberti (H. Richardson, 1904) -- valid
  Ceratothoa guttata (Richardson, 1910A) -- valid
  Ceratothoa parva Richardson, 1910A -- valid
  Ceratothoa transversa (H. Richardson, 1900) -- valid
  Ceratotrochus Milne-Edwards and Haime, 1848 -- valid
  Ceratotrochus franciscana Durham and Barnard, 1952 -- valid
  Ceratozetes pallidus (Lombardini, 1961) -- valid
  Cerberilla bernadetti Tardy, 1965 -- valid
  Cercartetus caudatus (Milne-Edwards, 1877) -- valid -- Long-tailed Pygmy Possum
  Cercartetus caudatus caudatus (Milne-Edwards, 1877) -- valid
  Cerceis H. Milne Edwards, 1840 -- valid
  Cerceis bicarinata Barnard, 1936 -- valid
  Cerceis bidentata H. Milne-Edwards, 1840 -- valid
  Cerceis tridentata H. Milne-Edwards, 1840 -- valid
  Cerceris constricta Guichard, 1993 -- valid
  Cerceris constrictus Guichard, 1993 -- invalid
  Cerceris difficilis Guichard, 1993 -- valid
  Cerceris hameri Guichard, 1993 -- valid
  Cerceris lorcai Guichard, 1990 -- invalid
  Cerceris occipitomaculata Packard, 1866 -- valid
  Cerceris songhai Guichard, 1993 -- valid
  Cerceris zebra Guichard, 1993 -- valid
  Cercocebus agilis A. Milne-Edwards, 1886 -- valid -- Agile Mangabey
  Cercomacra laeta waimiri Bierregaard, Cohn-Haft & Stotz, 1997 -- valid
  Cercomacra manu Fitzpatrick & Willard, 1990 -- valid -- Manu Antbird
  Cercopithecus brazzae A. Milne-Edwards, 1886 -- invalid
  Cercyonis meadii (W. H. Edwards, 1872) -- valid -- Mead's Wood-Nymph
  Cercyonis meadii meadii (W. H. Edwards, 1872) -- valid
  Cercyonis oetus charon (W. H. Edwards, 1872) -- valid
  Cercyonis oetus phocus (W. H. Edwards, 1874) -- valid
  Cercyonis pegala gabbii (W. H. Edwards, 1870) -- valid
  Cercyonis pegala incana (W. H. Edwards, 1880) -- valid
  Cercyonis pegala olympus (W. H. Edwards, 1880) -- valid
  Cercyonis pegala texana (W. H. Edwards, 1880) -- valid
  Cercyonis pegala wheeleri (W. H. Edwards, 1873) -- valid
  Cercyonis sthenele paulus (W. H. Edwards, 1879) -- valid
  Cercyonis sthenele silvestris (W. H. Edwards, 1861) -- valid
  Cerianthidae Milne-Edwards and Haime, 1852 -- valid
  Ceriodaphnia dubia Richard, 1894 -- valid
  Ceriodaphnia reticulata dubia Richard, 1894 -- invalid
  Ceriodaphnia rigaudi Richard, 1894 -- valid
  Cerion chrysalis fastigatum Maynard, 1896 -- valid
  Cerotainiops oma Pritchard, 1942 -- invalid
  Cerotainiops omus Pritchard, 1942 -- valid
  Cerotainiops wilcoxi Pritchard, 1942 -- valid
  Cervus cameloides Milne-Edwards, 1867 -- invalid
  Cervus elaphus xanthopygus Milne-Edwards, 1867 -- valid
  Cervus nippon mandarinus Milne-Edwards, 1871 -- valid -- North China sika
  Cesonia lugubris (O. Pickard-Cambridge, 1896) -- valid
  Cestracion francisci Girard, 1855 -- invalid
  Ceuthophilus hubbelli Hebard, 1939 -- valid
  Ceuthophilus peninsularis Rehn and Hebard, 1914 -- valid
  Chaceon affinis (A. Milne-Edwards and Bouvier, 1894) -- valid
  Chacophrys pierotti (Vellard, 1948) -- invalid
  Chacophrys pierottii (Vellard, 1948) -- valid
  Chaerephon jobimena Goodman and Cardiff, 2004 -- valid
  Chaerephon nigeriae spillmani (Monard, 1933) -- valid
  Chaetabraeus bacanioformis (Bickhardt, 1921) -- valid
  Chaetabraeus setosellus (Bickhardt, 1921) -- valid
  Chaetabraeus subconvexus (Kryzhanovskij in Kryzhanovskij and Reichardt, 1976) -- valid
  Chaetarcturus brunneus (Beddard, 1886) -- valid
  Chaetarcturus brunneus brunneus (Beddard, 1886) -- valid
  Chaetellipsis atrata Hardy, 1973 -- valid
  Chaetellipsis dispilota Hardy, 1973 -- valid
  Chaetobranchopsis australis Eigenmann and Ward in Eigenmann, McAtee and Ward, 1907 -- valid
  Chaetodipterus zonatus (Girard, 1858) -- valid -- chambo, Pacific Spadefish, Pacific spadefish
  Chaetodon bellicosus Quoy and Gaimard, 1825 -- valid
  Chaetodon blackburnii Desjardins, 1836 -- valid -- brownburnie
  Chaetodon chrysurus Desjardins, 1834 -- invalid
  Chaetodon festivus Desjardins, 1834 -- valid
  Chaetodon luctuosus Quoy and Gaimard, 1825 -- valid
  Chaetodon lunulatus Quoy and Gaimard, 1825 -- valid
  Chaetodon miliaris Quoy and Gaimard, 1825 -- valid -- crochet butterflyfish
  Chaetodon nigripinnatus Desjardins, 1836 -- invalid
  Chaetodon obliquus Lubbock and Edwards, 1980 -- invalid
  Chaetodon trifascialis Quoy and Gaimard, 1825 -- valid -- rightangled butterflyfish
  Chaetogaedia filialis (Reinhard, 1945) -- valid
  Chaetonotus jamaicensis (Schmarda, 1861) -- valid
  Chaetonotus marinus Giard, 1904 -- valid
  Chaetonotus squamatus Dujardin, 1841 -- invalid
  Chaetonotus tabulatus (Schmarda, 1861) -- valid
  Chaetophlepsis atriceps Reinhard, 1952 -- invalid
  Chaetophlepsis canora Reinhard, 1952 -- invalid
  Chaetophlepsis nasellensis Reinhard, 1952 -- invalid
  Chaetophlepsis rindgei Reinhard, 1952 -- invalid
  Chaetophlepsis teliosis Reinhard, 1952 -- invalid
  Chaetoplagia modesta Reinhard, 1922 -- invalid
  Chaetops aurantius E. L. Layard, 1867 -- valid -- Drakensburg Rockjumper
  Chaetopteridae Audouin and Milne-Edwards, 1833 -- valid
  Chaetorellia acrolophi White & Marquardt, 1989 -- valid
  Chaetura brachyura (Jardine, 1846) -- valid -- Short-tailed Swift
  Chaetura brachyura brachyura (Jardine, 1846) -- valid
  Chaetura brachyura praevelox Bangs & T. E. Penard, 1918 -- valid
  Chaeturichthys Richardson, 1844 -- valid
  Chaeturichthys stigmatias Richardson, 1844 -- valid
  Chalarus latifrons Hardy, 1943 -- valid
  Chalceus nigrotaeniatus Jardine in Schomburgk, 1841 -- invalid
  Chalcionellus Reichardt, 1932 -- valid
  Chalcionellus decemstriatus tingitanus Reichardt, 1932 -- valid
  Chalcionellus orcinus Reichardt, 1932 -- valid
  Chalcionellus orites Reichardt, 1932 -- valid
  Chalcionellus prolixus Reichardt, 1932 -- valid
  Chalcomitra adelberti eboensis (Jardine, 1842) -- valid
  Chalcomitra rubescens stangerii (Jardine, 1842) -- valid
  Chalcopasta howardi (H. Edwards, 1877) -- valid
  Chalcopasta territans (H. Edwards, 1884) -- valid
  Chalinochromis popelini Brichard, 1989 -- valid
  Chalumalna Boulard, 1998 -- valid
  Chalumalna martinensis Boulard, 1998 -- valid
  Chama arcana Bernard, 1976 -- valid -- secret jewelbox
  Chamaelycus werneri (Mocquard, 1902) -- valid
  Channichthys Richardson, 1844 -- valid
  Channichthys rhinoceratus Richardson, 1844 -- valid
  Channomuraena Richardson, 1848 -- valid
  Channomuraena vittata (Richardson, 1845) -- valid -- broadbanded moray, morena cinturones, morena rara
  Chaperina Mocquard, 1892 -- valid
  Chaperina fusca Mocquard, 1892 -- valid
  Chaperininae Peloso, Frost, Richards, Rodrigues, Donnellan, Matsui, Raxworthy, Biju, Lemmon et al., 2016 -- valid
  Chapoda inermis (F. O. Pickard-Cambridge, 1901) -- valid
  Chapoda maxillosa (F. O. Pickard-Cambridge, 1901) -- valid
  Characidium Reinhardt, 1867 -- valid
  Characidium fasciatum Reinhardt, 1867 -- valid -- banded characidium, banded characidium
  Charadrius bicinctus Jardine & Selby, 1827 -- valid -- Double-banded Plover
  Charadrius bicinctus bicinctus Jardine & Selby, 1827 -- valid
  Charadrius vociferus ternominatus Bangs & Kennard, 1920 -- valid
  Charasoma Reinhard, 1952 -- invalid
  Charasoma pammelas Reinhard, 1952 -- invalid
  Charasoma residis Reinhard, 1952 -- invalid
  Charasoma subolis Reinhard, 1952 -- invalid
  Charinus omanensis Delle Cave, Gardner and Weygoldt, 2009 -- valid
  Charmosyna aureicincta (E. L. Layard, 1875) -- valid
  Charybdea bitentaculata Quoy and Gaimard, 1833 -- invalid
  Charybdis hellerii (A. Milne-Edwards, 1867) -- valid -- spiny hands
  Charybdis japonica (A. Milne-Edwards, 1861) -- valid
  Charybdis paucidentata (A. Milne-Edwards, 1861) -- valid
  Chathamia Tillyard, 1925 -- valid
  Chathamia brevipennis Tillyard, 1925 -- valid
  Chathamiidae Tillyard, 1925 -- valid
  Chatoessus chrysopterus Richardson, 1846 -- invalid
  Chatoessus maculatus Richardson, 1846 -- invalid
  Chatrabus damaranus (Barnard, 1927) -- valid -- West Coast toadfish
  Chatrabus melanurus (Barnard, 1927) -- valid -- humpback toadfish
  Chaunus arequipensis (Vellard, 1959) -- invalid
  Chaunus beebei (Gallardo, 1965) -- invalid
  Chaunus fernandezae (Gallardo, 1957) -- invalid
  Chaunus gnustae (Gallardo, 1967) -- invalid
  Chaunus quechua (Gallardo, 1961) -- invalid
  Cheilinus nebulosus Richardson, 1846 -- invalid
  Cheilinus sinuosus Quoy and Gaimard, 1824 -- invalid
  Cheilodactylus gibbosus Richardson, 1841 -- invalid -- magpie morwong, magpie morwong
  Cheilodactylus nigricans (Richardson, 1850) -- invalid
  Cheilodactylus nigripes Richardson, 1850 -- valid
  Cheilodipterus pseudosubulatus Hardenberg, 1948 -- invalid
  Cheilotrema saturnum (Girard, 1858) -- valid -- black croaker, corvinata negra
  Cheimacheramus Barnard, 1934 -- valid
  Cheimacheramus caudalis Barnard, 1934 -- valid
  Cheirimedeia J. L. Barnard, 1962 -- valid
  Cheirimedeia zotea (J. L. Barnard, 1962) -- valid
  Cheirimedia J. L. Barnard, 1962 -- invalid
  Cheirimedia zotea J. L. Barnard, 1962 -- invalid
  Cheirodon Girard, 1855 -- valid
  Cheirodon pisciculus Girard, 1855 -- valid
  Chelaethiops rukwaensis (Ricardo, 1939) -- valid
  Chelanthura Poore & Bardsley, 1990 -- valid
  Chelanthura ajuga Poore & Bardsley, 1990 -- valid
  Chelanthura salvia Poore & Bardsley, 1990 -- valid
  Chelanthura westringia Poore & Bardsley, 1990 -- valid
  Chelidonura hirundinina (Quoy and Gaimard, 1833) -- valid -- leech aglaja, swallowtail aglaja
  Cheliferoides F. O. Pickard-Cambridge, 1901 -- valid
  Cheliferoides segmentatus F. O. Pickard-Cambridge, 1901 -- valid
  Chelmon marginalis Richardson, 1842 -- valid
  Chelon vaigiensis (Quoy and Gaimard, 1825) -- invalid
  Chelonariidae Blanchard, 1845 -- valid -- chelonarid beetles
  Chelonia albiventer Nardo, 1864 -- invalid
  Chelonia formosa Girard, 1858 -- invalid
  Chelonia tenuis Girard, 1858 -- invalid
  Chelonoidis donfaustoi Poulakakis, Edwards and Caccone in Poulakakis et al., 2015 -- valid -- Eastern Santa Cruz Tortoise
  Chelonoidis duncanensis (Garman in Pritchard, 1996) -- valid -- Duncan Island Giant Tortoise, Pinzon Giant Tortoise
  Chelonoidis nigra (Quoy and Gaimard, 1824) -- valid -- Charles Island Giant Tortoise, Floreana Giant Tortoise
  Chelonosternus Bickhardt, 1909 -- valid
  Chelonosternus tremolerasi Bickhardt, 1909 -- valid
  Chelorchestia forceps D. G. Smith and Heard, 2001 -- valid
  Chelymorpha varians (Blanchard, 1851) -- valid
  Chelyoxenus Hubbard, 1894 -- valid
  Chelyoxenus xerobatis Hubbard, 1894 -- valid
  Chen caerulescens atlantica Kennard, 1927 -- valid
  Chenacidillea Edwards & Tobias, 1993 -- invalid
  Chersodromus Reinhardt, 1860 -- valid
  Chersodromus liebmanni Reinhardt, 1861 -- valid -- Culebra-corredora de Liebmann, Liebmann's Earth Runner
  Chesippus Reinhard, 1967 -- valid
  Chesippus notialis Reinhard, 1967 -- valid
  Chetogena arnaudi (Reinhard, 1956) -- valid
  Chetogena clunalis (Reinhard, 1956) -- valid
  Chetogena omissa (Reinhard, 1934) -- valid
  Chetostoma interrupta Hardy, 1964 -- invalid
  Chetostoma interruptum Hardy, 1964 -- valid
  Cheumatopsyche lateralis (Barnard, 1934) -- valid
  Chevalia carpenteri J. L. Barnard and Thomas, 1987 -- valid
  Chicoreus beauii (P. Fischer and Bernardi, 1857) -- valid
  Chikunia nigra (O. Pickard-Cambridge, 1880) -- valid
  Chilabothrus inornatus (Reinhardt, 1843) -- valid -- Puerto Rican Boa
  Chilara taylori (Girard, 1858) -- valid -- congriperla moteada, spotted cusk-eel
  Chilicola muruimuinane Smith-Pardo & Gonzalez, 2007 -- valid
  Chilomeniscus stramineus esterensis Hoard, 1939 -- valid
  Chilophryne nebulifera (Girard, 1854) -- invalid
  Chilota africanus (Beddard, 1897) -- valid
  Chilota africanus africanus (Beddard, 1897) -- valid
  Chilota bicinctus (Beddard, 1895) -- valid
  Chilota carnea (Beddard, 1895) -- valid
  Chilota chilensis (Beddard, 1895) -- valid
  Chilota cingulata (Beddard, 1895) -- valid
  Chilota corralensis (Beddard, 1895) -- valid
  Chilota corralensis corralensis (Beddard, 1895) -- valid
  Chilota dalei (Beddard, 1890) -- valid
  Chilota decipiens (Beddard, 1895) -- valid
  Chilota lucifuga (Beddard, 1897) -- valid
  Chilota minutus (Beddard, 1895) -- valid
  Chilota purcelli (Beddard, 1897) -- valid
  Chilota purcelli purcelli (Beddard, 1897) -- valid
  Chilota putablensis (Beddard, 1895) -- valid
  Chilota simulans (Beddard, 1895) -- valid
  Chilota valdiviensis (Beddard, 1895) -- valid
  Chilothrips occidentalis Stannard, 1973 -- valid
  Chilothrips rotrameli Stannard, 1973 -- valid
  Chimarra ambulans Barnard, 1934 -- valid
  Chimarra cereris Barnard, 1934 -- valid
  Chimarra georgensis Barnard, 1934 -- valid
  Chimarra pondoensis Barnard, 1941 -- valid
  Chionocestus Haukisalmi, Hardman, Hoberg & Henttonen, 2014 -- valid
  Chionomus balboae (Muir and Giffard, 1924) -- valid
  Chionomus havanae (Muir and Giffard, 1924) -- valid
  Chiridota albatrossi Edwards, 1907 -- invalid
  Chiridota albatrossii Edwards, 1907 -- valid
  Chiromyia Hardy, 1920 -- invalid
  Chiromyza flavicaput Hardy, 1920 -- invalid
  Chiromyza grandicornis (Hardy, 1920) -- valid
  Chiromyza herbescens Hardy, 1920 -- invalid
  Chiromyza longicornis Hardy, 1924 -- valid
  Chiromyza pausleni Hardy, 1920 -- invalid
  Chironectes minimus langsdorffi Boitard, 1845 -- valid
  Chironomus halophilus Packard, 1873 -- valid
  Chironomus oceanicus Packard, 1896 -- invalid
  Chironomus paripes Edwards, 1929 -- invalid
  Chironomus pauciplumatus Hardy, 1960 -- valid
  Chironomus samoensis Edwards, 1928 -- valid
  Chirothecia rosea (F. O. Pickard-Cambridge, 1901) -- valid
  Chirothrips alexanderae Stannard, 1959 -- valid
  Chitra chitra javanensis McCord and Pritchard, 2003 -- valid -- Javanese Narrow-headed Softshell Turtle
  Chitra vandijki McCord and Pritchard, 2003 -- valid -- Burmese Narrow-headed Softshell Turtle
  Chitrella cavicola (Packard, 1884) -- valid
  Chlamydera nuchalis (Jardine & Selby, 1830) -- valid -- Great Bowerbird
  Chlamydera nuchalis nuchalis (Jardine & Selby, 1830) -- valid
  Chlamydopsinae Bickhardt, 1914 -- valid
  Chlamys subsulcata (Locard, 1898) -- valid
  Chlerogas cooperi Engel, Oliveira & Smith-Pardo, 2006 -- valid
  Chloealtis aspasma Rehn and Hebard, 1919 -- valid
  Chloeia viridis Schmarda, 1861 -- valid
  Chloraspilates Packard, 1876 -- invalid
  Chloraspilates bicoloraria Packard, 1876 -- invalid
  Chloriona dorsata Edwards, 1898 -- valid
  Chlorococcus chloris (Beardsley, 1963) -- valid
  Chlorococcus longipes (Beardsley, 1971) -- valid
  Chlorococcus peleae (Beardsley, 1959) -- valid
  Chlorococcus sparsus Beardsley, 1971 -- valid
  Chlorodiella longimana (H. Milne Edwards, 1834) -- valid -- longhand rubble crab
  Chlorodius H. Milne-Edwards, 1834 -- invalid
  Chloroplus Hebard, 1918 -- valid
  Chloroplus cactocaetes Hebard, 1918 -- valid
  Chloropsis Jardine & Selby, 1827 -- valid
  Chloropsis hardwickii Jardine & Selby, 1830 -- valid -- Orange-bellied Leafbird
  Chloropsis hardwickii hardwickii Jardine & Selby, 1830 -- valid
  Chloropsis sonnerati Jardine & Selby, 1827 -- valid -- Greater Green Leafbird
  Chloropsis sonnerati sonnerati Jardine & Selby, 1827 -- valid
  Chloroscombrus Girard, 1858 -- valid -- bumpers
  Chlorosea Packard, 1873 -- valid
  Chlorosea nevadaria Packard, 1873 -- valid
  Chlorospingus flavopectus falconensis Phelps & Gilliard, 1941 -- valid
  Chlorotocus gracilipes A. Milne-Edwards, 1882 -- invalid
  Chlosyne acastus (W. H. Edwards, 1874) -- valid -- Sagebrush Checkerspot
  Chlosyne acastus acastus (W. H. Edwards, 1874) -- valid
  Chlosyne acastus sterope (W. H. Edwards, 1870) -- valid
  Chlosyne fulvia (W. H. Edwards, 1879) -- valid -- Fulvia Checkerspot
  Chlosyne fulvia fulvia (W. H. Edwards, 1879) -- valid
  Chlosyne lacinia crocale (W. H. Edwards, 1874) -- valid
  Chlosyne leanira obsoleta (Hy. Edwards, 1877) -- valid
  Chlosyne leanira wrighti (W. H. Edwards, 1886) -- valid
  Chlosyne nycteis drusius (W. H. Edwards, 1884) -- valid
  Chlosyne theona bolli (W. H. Edwards, 1877) -- valid
  Chlosyne theona thekla (W. H. Edwards, 1870) -- valid
  Choeras tiro (Reinhard, 1880) -- valid
  Choerodon cyanodus (Richardson, 1843) -- valid -- bluetoothed tuskfish
  Choerophryne alainduboisi Günther and Richards, 2018 -- valid
  Choerophryne allisoni Richards and Burton, 2003 -- valid
  Choerophryne bisyllaba Günther and Richards, 2017 -- valid
  Choerophryne brevicrus (Günther and Richards, 2012) -- valid
  Choerophryne burtoni Richards, Dahl and Hiaso, 2007 -- valid
  Choerophryne crucifer Günther and Richards, 2017 -- valid
  Choerophryne epirrhina Iannella, Oliver and Richards, 2015 -- valid
  Choerophryne gracilirostris Iannella, Richards and Oliver, 2014 -- valid
  Choerophryne grylloides Iannella, Oliver and Richards, 2015 -- valid
  Choerophryne multisyllaba Günther and Richards, 2017 -- valid
  Choerophryne pandanicola (Günther and Richards, 2012) -- valid
  Choerophryne pipiens Günther, Richards and Tjaturadi, 2018 -- valid
  Choerophryne tubercula (Richards, Johnston and Burton, 1992) -- valid
  Choerops ommopterus (Richardson, 1846) -- invalid -- bluespotted groper
  Chondracanthidae Milne Edwards, 1840 -- valid
  Chondrosia Nardo, 1847 -- valid
  Chondrotus tenebrosus (Baird and Girard, 1852) -- invalid
  Chonerhinos naritus (Richardson, 1848) -- valid
  Chonostomum Schmarda, 1859 -- invalid
  Chonostomum crenulatum Schmarda, 1859 -- invalid
  Chordonota carbonaria Bellardi, 1862 -- invalid
  Chordonota fuscipennis Bellardi, 1862 -- valid
  Chorebus rondanii (Giard, 1904) -- valid
  Choridactylus Richardson, 1848 -- valid
  Choridactylus multibarbus Richardson, 1848 -- valid -- orangebanded goblinfish
  Chorizopes O. Pickard-Cambridge, 1871 -- valid
  Chorizopes congener O. Pickard-Cambridge, 1885 -- valid
  Chorizopes frontalis O. Pickard-Cambridge, 1871 -- valid
  Chorizopes stoliczkae O. Pickard-Cambridge, 1885 -- valid
  Chorophilus occidentalis (Baird and Girard, 1853) -- invalid
  Chortophaga australior Rehn and Hebard, 1911 -- valid
  Christometra Pęgas, Leal and Damgaard, 2017 -- valid
  Christometra paradoxa Pęgas, Leal and Damgaard, 2017 -- valid
  Chromatocera fumator Reinhard, 1962 -- valid
  Chromatocera harrisi (Reinhard, 1935) -- valid
  Chromatomyia sygenesiae Hardy, 1849 -- invalid
  Chromatomyia syngenesiae Hardy, 1849 -- valid -- chrysanthemum leafminer
  Chromis lubbocki Edwards, 1986 -- valid
  Chromis niger Nardo, 1824 -- invalid
  Chromis sanctaehelenae Edwards in Edwards and Glass, 1987 -- valid
  Chrosiothes proximus (O. Pickard-Cambridge, 1899) -- valid
  Chrysiptera biocellata (Quoy and Gaimard, 1825) -- valid -- bluebanded damselfish, twinspot damselfish, twospot damselfish
  Chrysiptera cyanea (Quoy and Gaimard, 1825) -- valid -- blue devil, cornflower sargeantmajor, sapphire devil
  Chrysochir aureus (Richardson, 1846) -- valid
  Chrysochlora insularis Ricardo, 1929 -- valid
  Chrysochlora luteipes Ricardo, 1929 -- valid
  Chrysocolaptes lucidus stricklandi (E. L. Layard, 1854) -- invalid
  Chrysocolaptes lucidus xanthocephalus Walden & E. L. Layard, 1872 -- invalid
  Chrysocolaptes stricklandi (E. L. Layard, 1854) -- valid -- Crimson-backed Flameback
  Chrysocolaptes xanthocephalus Walden & E. L. Layard, 1872 -- valid -- Yellow-faced Flameback
  Chrysocolletes enigma Maynard, 1996 -- valid
  Chrysocolletes houstoni Maynard, 1996 -- valid
  Chrysocolletes pilosus Maynard, 1996 -- valid
  Chrysocolletes strangomeles Maynard, 1996 -- valid
  Chrysoecia thoracica (H. Edwards, 1884) -- valid
  Chrysopa flavescens (Blanchard in Gay, 1851) -- invalid
  Chrysophrys Quoy and Gaimard, 1824 -- valid
  Chrysopilus alaskaensis Hardy, 1949 -- valid
  Chrysopilus andersoni Leonard, 1930 -- valid
  Chrysopilus angustifacies Hardy, 1949 -- valid
  Chrysopilus beameri Hardy, 1949 -- valid
  Chrysopilus divisus Hardy, 1949 -- valid
  Chrysopilus georgianus Hardy, 1949 -- valid
  Chrysopilus infuscatus Leonard, 1930 -- valid
  Chrysopilus kincaidi Hardy, 1949 -- valid
  Chrysopilus longipalpis Hardy, 1949 -- valid
  Chrysopilus pilosus Leonard, 1930 -- valid
  Chrysopilus xanthopus Hardy, 1949 -- valid
  Chrysopodes flavescens (Blanchard in Gay, 1851) -- valid
  Chrysops affinis Bellardi, 1859 -- valid
  Chrysops latifasciatus Bellardi, 1859 -- valid
  Chrysops pallidus Bellardi, 1859 -- invalid
  Chrysops subcaecutiens Bellardi, 1859 -- valid
  Chrysops virgulatus Bellardi, 1859 -- valid
  Chrysosoma palapes Hardy, 1960 -- valid
  Chrysotus parthenus Hardy, 1960 -- valid
  Chrysso O. Pickard-Cambridge, 1882 -- valid
  Chrysso albomaculata O. Pickard-Cambridge, 1882 -- valid
  Chrysso nigra (O. Pickard-Cambridge, 1880) -- invalid
  Chrysso spiniventris (O. Pickard-Cambridge, 1869) -- invalid
  Chthamalus montagui Southward, 1976 -- valid
  Chthamalus proteus Dando and Southward, 1980 -- valid
  Chthonerpeton indistinctum (Reinhardt and Lütken, 1862) -- valid
  Chthonius aeneae Gardini, 2013 -- invalid
  Chthonius altamurae Gardini, 2013 -- invalid
  Chthonius bartolii Gardini, 1976 -- invalid
  Chthonius caprai Gardini, 1977 -- valid
  Chthonius cavicola Gardini, 1990 -- invalid
  Chthonius delmastroi Gardini, 2009 -- valid
  Chthonius elymus Gardini, 2013 -- invalid
  Chthonius etruscus Gardini, 2013 -- invalid
  Chthonius euganeus Gardini, 1991 -- valid
  Chthonius gallii Gardini, 2013 -- invalid
  Chthonius gasparoi Gardini, 1989 -- invalid
  Chthonius genuensis Gardini, 1990 -- invalid
  Chthonius grafittii Gardini, 1981 -- invalid
  Chthonius intemelius Gardini, 2013 -- invalid
  Chthonius latellai Gardini, 2013 -- invalid
  Chthonius ligur Gardini, 2013 -- invalid
  Chthonius magrinii Gardini, 2013 -- invalid
  Chthonius messapicus Gardini, 2013 -- invalid
  Chthonius monguzzii Gardini, 2013 -- invalid
  Chthonius pivai Gardini, 1991 -- invalid
  Chthonius poseidonis Gardini, 1993 -- invalid
  Chthonius sardous Gardini, 2008 -- invalid
  Chthonius sulphureus Gardini, 2013 -- invalid
  Chthonius thaleri Gardini, 2009 -- invalid
  Chthonius tyrrhenicus Gardini, 2013 -- invalid
  Chthonius zoiai Gardini, 1990 -- invalid
  Chydorus barroisi (Richard, 1894) -- invalid
  Chydorus poppei Richard, 1897 -- invalid
  Cibolacris Hebard, 1937 -- valid
  Cicerina Giard, 1904 -- valid
  Cicerina tetradactyla Giard, 1904 -- valid
  Cichlasoma cyanoguttatum (Baird and Girard, 1854) -- invalid -- mojarra del norte, Rio Grande cichlid, Rio Grande perch
  Cichlocolaptes leucophrus (Jardine & Selby, 1830) -- valid -- Pale-browed Treehunter
  Cilicaea granulosa H. Richardson, 1899 -- invalid
  Cinara fresai Blanchard, 1939 -- valid
  Cinnyris chloropygius (Jardine, 1842) -- valid -- Olive-bellied Sunbird
  Cinnyris chloropygius chloropygius (Jardine, 1842) -- valid
  Cinnyris humbloti Milne-Edwards & Oustalet, 1885 -- valid
  Cinnyris humbloti humbloti Milne-Edwards & Oustalet, 1885 -- valid
  Cinnyris johannae fasciatus (Jardine & Fraser, 1852) -- valid
  Cinochira mitis (Reinhard, 1957) -- valid
  Circotettix rabula Rehn and Hebard, 1906 -- valid
  Circus assimilis Jardine & Selby, 1828 -- valid -- Spotted Harrier
  Cirolana albida H. Richardson, 1901 -- valid
  Cirolana bovina Barnard, 1940 -- valid
  Cirolana cingulata Barnard, 1920 -- valid
  Cirolana epimerias Richardson, 1910A -- valid
  Cirolana hirtipes H. Milne-Edwards, 1840 -- invalid
  Cirolana imposita Barnard, 1955A -- valid
  Cirolana incisicauda Barnard, 1940 -- valid
  Cirolana littoralis Barnard, 1920 -- valid
  Cirolana meinerti Barnard, 1920 -- valid
  Cirolana obtruncata H. Richardson, 1901 -- invalid
  Cirolana palifrons Barnard, 1920 -- valid
  Cirolana perlata Barnard, 1936 -- valid
  Cirolana saldanhae Barnard, 1951 -- valid
  Cirolana theleceps Barnard, 1940 -- valid
  Cirolana transcostata Barnard, 1959 -- valid
  Cirolana tuberculata (Richardson, 1910A) -- valid
  Cirolana undulata Barnard, 1914B -- valid
  Cirolana vicina Barnard, 1914B -- valid
  Cirratodactylidae Gardiner, 1972 -- invalid
  Cirratodactylus Gardiner, 1972 -- valid
  Cirratodactylus floridensis Gardiner, 1972 -- valid
  Cirratulus dorsobranchialis Kirkegaard, 1959 -- invalid
  Cirriformia capensis (Schmarda, 1861) -- valid
  Cissilopha sanblasiana nelsoni Bangs & T. E. Penard, 1919 -- invalid
  Cissusa indiscreta (H. Edwards, 1886) -- valid
  Cissusa valens (H. Edwards, 1881) -- valid
  Cisticola bodessa kaffensis Erard, 1974 -- valid
  Cisticola brunnescens mbangensis Chappuis & Erard, 1973 -- valid
  Cisticola dorsti Chappuis & Erard, 1991 -- invalid -- Dorst's Cisticola
  Cistogaster atrota Reinhard, 1935 -- invalid
  Citharacanthus longipes (F. O. Pickard-Cambridge, 1897) -- valid
  Citharichthys sordidus (Girard, 1854) -- valid -- lenguado moteado, limande sordide, Pacific Sanddab, Pacific sanddab
  Citharus Reinhardt, 1837 -- invalid
  Cladangia Milne-Edwards and Haime, 1851 -- valid
  Cladocora debilis Milne-Edwards and Haime, 1849 -- valid -- thin tube coral
  Cladomelea longipes (O. Pickard-Cambridge, 1877) -- valid
  Cladonema Dujardin, 1843 -- valid
  Cladonema radiatum Dujardin, 1843 -- valid
  Cladopsammia gracilis (Milne-Edwards and Haime, 1848) -- valid
  Cladopsammia willeyi (Gardiner, 1899) -- valid
  Clairvillia amicta Reinhard, 1962 -- valid
  Clarencia K. H. Barnard, 1931 -- valid
  Clarenciidae Barnard & Karaman, 1987 -- valid
  Clarias pseudonieuhofii Sudarto, Teugels and Pouyard, 2004 -- valid
  Clastoneuriopsis Reinhard, 1939 -- valid
  Clastoneuriopsis meralis Reinhard, 1939 -- valid
  Clausicella melitarae (Reinhard, 1946) -- valid
  Clausicella politura (Reinhard, 1946) -- valid
  Clausicella turmalis (Reinhard, 1946) -- valid
  Cleantiella H. Richardson, 1912 -- valid
  Cleantioides japonica (Richardson, 1912G) -- valid
  Cleantioides natalensis (Barnard, 1925B) -- valid
  Cleantioides occidentalis (H. Richardson, 1899) -- valid
  Cleantis heathii H. Richardson, 1899 -- valid
  Clematodes vanduzeei Hebard, 1923 -- valid
  Clematodes vanduzeei vanduzeei Hebard, 1923 -- valid
  Clemensia Packard, 1864 -- valid
  Clemensia albata Packard, 1864 -- valid -- Little White Lichen Moth
  Clemmys marmorata (Baird and Girard, 1852) -- invalid -- Pacific pond turtle, Tortuga marmoleada, western pond turtle
  Clemmys marmorata marmorata (Baird and Girard, 1852) -- invalid -- northern Pacific pond turtle, northwestern pond turtle
  Cleonardopsis K. H. Barnard, 1916 -- valid
  Cleonardopsis carinata K. H. Barnard, 1916 -- valid
  Cleonice setosa (Reinhard, 1937) -- valid
  Cleora pellucidaria Packard, 1873 -- invalid
  Cleora umbrosaria Packard, 1873 -- invalid
  Cleora umbrosaria nigrovenaria Packard, 1876 -- invalid
  Cletocamptus deitersi (Richard, 1897) -- valid
  Cletocamptus deitersi deitersi (Richard, 1897) -- valid
  Cletodes carthaginiensis Monard, 1935 -- valid
  Cletus capensis Izzard, 1960 -- valid
  Clianella lunifrons (Richardson, 1900) -- valid
  Climacoidea gigantica (Edwards, 1944) -- valid
  Climacoidea multipunctata (Edwards, 1944) -- valid
  Climacoporus Barnard, 1935 -- valid
  Climacoporus navalis Barnard, 1935 -- valid
  Clinocottus analis (Girard, 1858) -- valid -- charrasco lanudo, woolly sculpin
  Clinocottus globiceps (Girard, 1858) -- valid -- mosshead sculpin
  Clinodiplosis cattleyae Molliard, 1908 -- valid
  Clinodiplosis pucciniae Pritchard, 1948 -- invalid
  Clinoporus Barnard, 1927 -- valid
  Clinostomus Girard, 1856 -- valid -- redside daces
  Clinostomus funduloides Girard, 1856 -- valid -- rosyside dace
  Clinostomus funduloides funduloides Girard, 1856 -- valid
  Clinus navalis (Barnard, 1935) -- invalid -- fleet klipfish, fleet klipfish
  Clinus rotundifrons Barnard, 1937 -- valid
  Clitellaria pygmaea Bellardi, 1862 -- invalid
  Cloacina Reinhard, 1945 -- invalid
  Cloacina filialis Reinhard, 1945 -- invalid
  Cloeodes waltzi Wiersema and Baumgardner, 2000 -- valid
  Cloridopsis dubia (H. Milne Edwards, 1837) -- valid
  Clostera brucei (H. Edwards, 1885) -- valid
  Clubiona bishopi Edwards, 1958 -- valid
  Clubiona estes Edwards, 1958 -- valid
  Clubiona gertschi Edwards, 1958 -- valid
  Clubiona janae Edwards, 1958 -- valid
  Clubiona odelli Edwards, 1958 -- valid
  Clubiona opeongo Edwards, 1958 -- valid
  Clunio pacificus Edwards -- valid
  Clupea nymphaea Richardson, 1846 -- invalid
  Clupeichthys bleekeri (Hardenberg, 1936) -- valid -- Kapuas river sprat
  Clusiosoma (Paraclusiosoma) Hardy, 1986 -- valid
  Clusiosoma dami Hardy, 1986 -- valid
  Clusiosoma daruense Hardy, 1986 -- valid
  Clusiosoma nigricorne Hardy, 1986 -- valid
  Clusiosoma nigripenne Hardy, 1986 -- valid
  Clusiosoma papuaense Hardy, 1986 -- valid
  Clusiosoma subpullatum Hardy, 1986 -- valid
  Clypeocrabro Richards, 1935 -- invalid
  Clypeodytes ater Bilardo and Rocchi, 1990 -- valid
  Clypeodytes bicornis Bilardo and Pederzani, 1978 -- valid
  Clythrocerus A. Milne-Edwards and Bouvier, 1899 -- valid
  Clythrocerus nitidus (A. Milne-Edwards, 1880) -- valid
  Clytochrysus gracilissimus (Packard, 1866) -- invalid
  Clytochrysus septentrionalis (Packard, 1866) -- invalid
  Clytoctantes atrogularis S. Lanyon, Stotz & Willard, 1991 -- valid -- Rondonia Bushbird
  Clytorhynchus nigrogularis (E. L. Layard, 1875) -- valid -- Black-throated Shrikebill
  Clytorhynchus vitiensis buensis (E. L. Layard, 1876) -- valid
  Clytorhynchus vitiensis compressirostris (E. L. Layard, 1876) -- valid
  Clytorhynchus vitiensis fortunae (E. L. Layard, 1876) -- valid
  Cnemidophorus gracilis Baird and Girard, 1852 -- invalid
  Cnemidophorus grahamii Baird and Girard, 1852 -- valid -- Bold Checkered Whiptail
  Cnemidophorus gularis Baird and Girard, 1852 -- valid -- Huico texano, Texas Spotted Whiptail
  Cnemidophorus gularis gularis Baird and Girard, 1852 -- valid -- Texas Spotted Whiptail
  Cnemidophorus marmoratus Baird and Girard, 1852 -- valid -- Marbled Whiptail
  Cnemidophorus marmoratus marmoratus Baird and Girard, 1852 -- valid -- Western Marbled Whiptail
  Cnemidophorus tigris Baird and Girard, 1852 -- valid -- Huico occidental, Western Whiptail
  Cnemidophorus tigris gracilis Baird and Girard, 1852 -- valid -- Southern Whiptail
  Cnemidophorus tigris marmoratus Baird and Girard, 1852 -- invalid
  Cnemidophorus tigris tigris Baird and Girard, 1852 -- valid -- Great Basin Whiptail
  Cnemoscopus Bangs & T. E. Penard, 1919 -- valid
  Cnidoglanis microceps (Richardson, 1845) -- invalid
  Cobanus F. O. Pickard-Cambridge, 1900 -- valid
  Cobanus subfuscus F. O. Pickard-Cambridge, 1900 -- invalid
  Cobanus unicolor F. O. Pickard-Cambridge, 1900 -- invalid
  Coboldus hedgpethi (J. L. Barnard, 1969) -- valid
  Coccodiplosis ananasae Hardy, 1960 -- valid
  Coccotropsis Barnard, 1927 -- valid
  Coccus gloverii (Packard, 1869) -- invalid
  Cochisemyia Reinhard, 1964 -- invalid
  Cochisemyia regalis Reinhard, 1964 -- invalid
  Codoma Girard, 1856 -- invalid
  Coelaenomenodera Blanchard, 1845 -- valid
  Coelaenomenodera gestroi (Achard, 1915) -- valid
  Coelister Bickhardt, 1917 -- valid
  Coelocerus A. Milne-Edwards, 1875 -- valid
  Coelocerus spinosus A. Milne-Edwards, 1875 -- valid -- channelnose spider crab
  Coelocrabro capitosus (Shuckard, 1837) -- invalid
  Coelocrabro cetratus (Shuckard, 1837) -- invalid
  Coelocrabro leucostomoides Richards, 1935 -- invalid
  Coelocrabro pubescens (Shuckard, 1837) -- invalid
  Coelocrabro walkeri (Shuckard, 1837) -- invalid
  Coelotes pickardi O. Pickard-Cambridge, 1873 -- valid
  Coelotes pickardi pickardi O. Pickard-Cambridge, 1873 -- valid
  Coelotes simplex O. Pickard-Cambridge, 1885 -- valid
  Coelotes tegenarioides O. Pickard-Cambridge, 1885 -- valid
  Coenocyathus Milne-Edwards and Haime, 1848 -- valid
  Coenocyathus anthophyllites Milne-Edwards and Haime, 1848 -- valid
  Coenocyathus cylindricus Milne-Edwards and Haime, 1848 -- valid
  Coenonympha haydenii (W. H. Edwards, 1872) -- valid -- Hayden's Ringlet
  Coenonympha inornata W. H. Edwards, 1861 -- invalid -- inornate ringlet, satyre fauve
  Coenonympha inornata inornata W. H. Edwards, 1861 -- invalid -- inornate ringlet
  Coenonympha tullia ampelos W. H. Edwards, 1871 -- valid -- 'Northwest' Common Ringlet
  Coenonympha tullia elko W. H. Edwards, 1881 -- valid
  Coenonympha tullia eryngii Hy. Edwards, 1877 -- valid
  Coenonympha tullia inornata W. H. Edwards, 1861 -- valid -- 'Inornate' Common Ringlet
  Coenonympha tullia kodiak W. H. Edwards, 1869 -- valid
  Coenonympha tullia ochracea W. H. Edwards, 1861 -- valid -- 'Ochre' Common Ringlet
  Cogia caicus moschus (W. H. Edwards, 1882) -- valid
  Cogia hippalus (W. H. Edwards, 1882) -- valid -- Acacia Skipper
  Cogia hippalus hippalus (W. H. Edwards, 1882) -- valid
  Coilia coomansi Hardenberg, 1934 -- valid -- Cooman's grenadier anchovy
  Coilia grayii Richardson, 1845 -- valid -- Gray's grenadier anchovy
  Colanthura Richardson, 1902 -- valid
  Colanthura tenuis Richardson, 1902 -- valid
  Colapteroblatta Hebard, 1920 -- valid
  Colcondamyia falcifera Reinhard, 1963 -- valid
  Coleosoma O. Pickard-Cambridge, 1882 -- valid
  Coleosoma blandum O. Pickard-Cambridge, 1882 -- valid
  Colias alexandra W. H. Edwards, 1863 -- valid -- Queen Alexandra's Sulphur
  Colias alexandra alexandra W. H. Edwards, 1863 -- valid
  Colias alexandra astraea W. H. Edwards, 1872 -- valid
  Colias alexandra edwardsii W. H. Edwards, 1870 -- valid
  Colias alexandra harfordii Hy. Edwards, 1877 -- invalid -- 'Harford's' Queen Alexandra's Sulphur
  Colias alexandra pseudocolumbiensis C. Guppy and J. Shepard, 2001 -- valid
  Colias behrii W. H. Edwards, 1866 -- valid -- Sierra Sulphur
  Colias christina W. H. Edwards, 1863 -- valid -- Christina's Sulphur
  Colias christina christina W. H. Edwards, 1863 -- valid
  Colias harfordii Hy. Edwards, 1877 -- valid
  Colias meadii W. H. Edwards, 1871 -- valid -- Mead's Sulphur
  Colias meadii meadii W. H. Edwards, 1871 -- valid
  Colias occidentalis chrysomelas Hy. Edwards, 1877 -- valid
  Colias palaeno chippewa W. H. Edwards, 1870 -- valid -- palaeno sulphur
  Colias philodice eriphyle W. H. Edwards, 1876 -- valid
  Colidotea H. Richardson, 1899 -- valid
  Colinus cristatus barnesi Gilliard, 1940 -- valid
  Collatia ornata Reinhard, 1937 -- invalid
  Collessomyia Hardy & Drew, 1996 -- valid
  Collessomyia setiger Hardy & Drew, 1996 -- valid
  Collichthys lucidus (Richardson, 1844) -- valid
  Collobiana Bourguignat in Locard, 1890 -- invalid
  Collodes obesus A. Milne-Edwards, 1878 -- valid
  Collophora Richards, 1964 -- valid
  Colluricincla megarhyncha (Quoy & Gaimard, 1830) -- valid -- Little Shrikethrush
  Colluricincla megarhyncha megarhyncha (Quoy & Gaimard, 1830) -- valid
  Colobates Milne-Edwards, 1874 -- invalid
  Colobomatus embiotocae Noble, Collard and Wilkes, 1969 -- valid
  Colochirus lacazii Hérouard, 1889 -- invalid
  Colomascirtus caucanus (Ardila-Robayo, Ruiz-Carranza and Roa-Trujillo, 1993) -- invalid
  Colomascirtus charazani (Vellard, 1970) -- invalid
  Colomastix janiceae Heard and Perlmutter, 1977 -- valid
  Colomastix kapiolani J. L. Barnard, 1970 -- valid
  Colomastix lunalilo J. L. Barnard, 1970 -- valid
  Colonus F. O. Pickard-Cambridge, 1901 -- valid
  Colophon berrisfordi Barnard, 1932 -- valid
  Colophon cameroni Barnard, 1929 -- valid
  Colophon cassoni Barnard, 1932 -- valid
  Colophon eastmani Barnard, 1932 -- valid
  Colophon eastmani eastmani Barnard, 1932 -- valid
  Colophon haughtoni Barnard, 1929 -- valid
  Colophon izardi Barnard, 1929 -- valid
  Colophon neli Barnard, 1932 -- valid
  Colophon primosi Barnard, 1929 -- valid
  Colophon stokoei Barnard, 1929 -- valid
  Colophon whitei Barnard, 1932 -- valid
  Colopisthus Richardson, 1902 -- valid
  Colopisthus parvus Richardson, 1902 -- valid
  Colossendeis arcuata Milne-Edwards, 1885 -- valid
  Colossendeis villegentei Milne-Edwards, 1881 -- invalid
  Colostethus anthracinus Edwards, 1971 -- invalid
  Colostethus elachyhistus Edwards, 1971 -- invalid
  Colostethus olmonae Hardy, 1983 -- invalid -- Bloody Bay Poison Frog, Tobago Dendrobatid
  Colostethus parkerae Meinhardt and Parmalee, 1996 -- invalid
  Colostethus picacho Ardila-Robayo, Acosta-Galvis and Coloma, 2000 -- invalid
  Colostethus picachos Ardila-Robayo, Acosta-Galvis and Coloma, 2000 -- invalid
  Colostethus saltuarius Grant and Ardila-Robayo, 2002 -- invalid
  Colostethus sauli Edwards, 1974 -- invalid
  Colpophyllia Milne-Edwards and Haime, 1848 -- valid
  Colpophyllia breviserialis Milne-Edwards and Haime, 1849 -- valid
  Coluber constrictor foxii (Baird and Girard, 1853) -- valid -- Blue Racer
  Coluber constrictor mormon Baird and Girard, 1852 -- valid -- Western Yellow-bellied Racer
  Coluber mormon Baird and Girard, 1852 -- invalid -- Western Yellow-bellied Racer
  Coluber rosaliae Mocquard, 1899 -- invalid
  Coluber schotti (Baird and Girard, 1853) -- valid -- Schott's Whipsnake
  Coluber schotti schotti (Baird and Girard, 1853) -- valid -- Schott's Whipsnake
  Colubotelson chiltoni (Sheppard, 1927) -- valid
  Colubotelson tattersalli (Sheppard, 1927) -- valid
  Columba pinon Gaimard, 1823 -- invalid
  Columba rodericana Milne-Edwards, 1873 -- invalid
  Columba vitiensis Quoy & Gaimard, 1832 -- valid -- Metallic Pigeon
  Columba vitiensis griseogularis (Walden & E. L. Layard, 1872) -- valid
  Columba vitiensis vitiensis Quoy & Gaimard, 1832 -- valid
  Columbella aureola Howard, 1963 -- invalid
  Columbella aureomexicana (Howard, 1963) -- valid
  Columbina passerina bahamensis (Maynard, 1887) -- valid
  Columbina passerina jamaicensis (Maynard, 1899) -- valid
  Colus syrtensis (Packard, 1867) -- valid
  Comasarcophaga nexilis (Reinhard, 1945) -- valid
  Comasarcophaga prolepsis (Reinhard, 1947) -- valid
  Compsodecta maxillosa (F. O. Pickard-Cambridge, 1901) -- invalid
  Compsodes Hebard, 1917 -- valid
  Compsophis Mocquard, 1894 -- valid
  Compsophis albiventris Mocquard, 1894 -- valid -- Madagascar Bighead Snake
  Conalcaea huachucana coyoterae Hebard, 1922 -- valid
  Conarete crebra Pritchard, 1951 -- valid
  Conarete eluta Pritchard, 1951 -- valid
  Conarete eschata Pritchard, 1951 -- valid
  Conasellus attenuatus (H. Richardson, 1900) -- invalid
  Conasellus nickajackensis (Packard, 1881) -- valid
  Conasellus stygius (Packard, 1871) -- invalid
  Concarnes Barnard and Karaman, 1991 -- valid
  Conchoecia alata minor McHardy, 1964 -- invalid
  Condukiidae Barnard & Drummond, 1982 -- valid
  Condukius Barnard & Drummond, 1982 -- valid
  Condylocardiidae Bernard, 1897 -- valid
  Confluens hamiltoni (Tillyard, 1924) -- valid
  Confluens olingoides (Tillyard, 1924) -- valid
  Congiopodus leucopaecilus (Richardson, 1846) -- valid -- southern pigfish
  Congrogadus hierichthys Jordan and Richardson, 1908 -- valid -- tamayo, tamayo
  Congrogadus subducens (Richardson, 1843) -- valid -- mud blenny, mud blenny
  Conilera stygia Packard, 1900 -- valid
  Conilorpheus blandus Barnard, 1955A -- valid
  Coniopodus leucopaecilus (Richardson, 1846) -- invalid
  Conocephalus aigialus Rehn and Hebard, 1915 -- valid
  Conocephalus algialis Rehn and Hebard, 1915 -- invalid -- sea-shore meadow grasshopper
  Conocephalus hygrophilus Rehn and Hebard, 1915 -- valid
  Conocephalus resacensis Rehn and Hebard, 1915 -- valid
  Conocephalus stictomerus Rehn and Hebard, 1915 -- valid -- spotted-legged meadow grasshopper
  Conoceros conoceraeus (Schmarda, 1859) -- invalid
  Conocyemidae Stunkard, 1937 -- valid
  Constempellina brevicosta (Edwards, 1937) -- valid
  Contia Baird and Girard, 1853 -- valid -- Sharp-tailed Snakes
  Contia tenuis (Baird and Girard, 1852) -- valid -- Sharp-tailed Snake, Sharptail Snake
  Contipus kristenseni (Bickhardt, 1911) -- valid
  Contipus marginisternus (Bickhardt, 1912) -- valid
  Contipus tardus Bickhardt, 1919 -- invalid
  Contopus cinereus surinamensis F. P. Penard & A. P. Penard, 1910 -- valid
  Contusus brevicaudus Hardy, 1981 -- valid
  Conus duvali Bernardi, 1862 -- invalid
  Conus lubeckianus Bernardi, 1861 -- invalid
  Conus villepinii P. Fischer and Bernardi, 1857 -- valid
  Conus villepinii villepinii P. Fischer and Bernardi, 1857 -- valid
  Convoluta anotica Schmarda, 1859 -- invalid
  Convoluta convoluta (Abildgaard, 1806) -- valid
  Cookiella Haukisalmi, Hardman, Hoberg & Henttonen, 2014 -- valid
  Cooronga Hardy & Drew, 1996 -- valid
  Cooronga mcalpinei Hardy & Drew, 1996 -- valid
  Copablepharon albisericea A. Blanchard, 1976 -- valid
  Copablepharon gillaspyi A. Blanchard, 1976 -- valid
  Copablepharon longipenne serraticornis A. Blanchard, 1976 -- valid
  Copaeodes minima (W. H. Edwards, 1870) -- valid
  Copaeodes minimus (W. H. Edwards, 1870) -- invalid -- Southern Skipperling
  Copaeodes myrtis W. H. Edwards, 1882 -- invalid
  Copaeodes wrightii W. H. Edwards, 1882 -- invalid
  Copelatus aemulus Bilardo and Rocchi, 1995 -- valid
  Copelatus apuzzoi Bilardo and Rocchi, 1999 -- valid
  Copelatus assalyi Bilardo and Rocchi, 2010 -- valid
  Copelatus assimilis incristatus Bilardo and Rocchi, 2002 -- valid
  Copelatus baoulicus Bilardo and Pederzani, 1978 -- valid
  Copelatus basilewskyi Bilardo and Pederzani, 1979 -- valid
  Copelatus bertrandi Nilsson, Bilardo and Rocchi, 1996 -- valid
  Copelatus binaghii Bilardo and Pederzani, 1978 -- valid
  Copelatus calaquei Bilardo and Rocchi, 2008 -- valid
  Copelatus concii Bilardo, 1982 -- valid
  Copelatus confinis Bilardo and Rocchi, 1999 -- valid
  Copelatus consimilis Bilardo and Rocchi, 2002 -- valid
  Copelatus consimilis consimilis Bilardo and Rocchi, 2002 -- invalid
  Copelatus consimilis finitimus Bilardo and Rocchi, 2002 -- invalid
  Copelatus cooperae Bilardo and Pederzani, 1972 -- valid
  Copelatus curtistriatus Bilardo and Rocchi, 1995 -- valid
  Copelatus curvispinis Bilardo and Rocchi, 2008 -- valid
  Copelatus cynthiae Bilardo and Rocchi, 2008 -- valid
  Copelatus decellei Bilardo, 1982 -- valid
  Copelatus deceptor Bilardo and Rocchi, 1995 -- valid
  Copelatus efoutensis Bilardo and Rocchi, 1995 -- valid
  Copelatus ellai Bilardo and Rocchi, 1995 -- valid
  Copelatus esteriensis Bilardo and Pederzani, 1978 -- valid
  Copelatus evanidus Bilardo and Rocchi, 1995 -- valid
  Copelatus fallax Bilardo and Pederzani, 1978 -- invalid
  Copelatus fasciatus Bilardo and Rocchi, 1995 -- valid
  Copelatus fractistriatus Bilardo and Rocchi, 1995 -- valid
  Copelatus gabonicus Bilardo and Pederzani, 1978 -- valid
  Copelatus iguelaensis Bilardo and Rocchi, 2002 -- valid
  Copelatus imitator Bilardo and Rocchi, 2002 -- valid
  Copelatus inopinatus Bilardo and Rocchi, 1995 -- valid
  Copelatus insidiosus Bilardo and Rocchi, 1995 -- valid
  Copelatus kilimandjarensis Bilardo and Pederzani, 1972 -- valid
  Copelatus kongouensis Bilardo and Rocchi, 1999 -- valid
  Copelatus lanzai Bilardo and Rocchi, 1995 -- valid
  Copelatus laraensis Bilardo and Rocchi, 1995 -- valid
  Copelatus lasckonyi Bilardo and Rocchi, 1995 -- valid
  Copelatus latifasciatus Bilardo and Rocchi, 1999 -- valid
  Copelatus leonardii Bilardo and Rocchi, 1999 -- valid
  Copelatus louayensis Bilardo and Rocchi, 2004 -- valid
  Copelatus makokouensis Bilardo and Rocchi, 1995 -- valid
  Copelatus mbokoensis Bilardo and Rocchi, 2006 -- valid
  Copelatus minimus Bilardo and Rocchi, 1995 -- valid
  Copelatus minor Bilardo and Pederzani, 1978 -- valid
  Copelatus minor finitimus Bilardo and Rocchi, 2002 -- valid
  Copelatus minor minor Bilardo and Pederzani, 1978 -- valid
  Copelatus mutabilis Bilardo and Rocchi, 1999 -- valid
  Copelatus mvoungensis Bilardo and Rocchi, 2004 -- valid
  Copelatus nitens Bilardo and Rocchi, 1999 -- valid
  Copelatus nzei Bilardo and Rocchi, 1999 -- valid
  Copelatus occultus Bilardo and Rocchi, 1995 -- valid
  Copelatus pederzanii Bilardo and Rocchi, 1995 -- valid
  Copelatus poungai Bilardo and Rocchi, 2006 -- valid
  Copelatus punctatus Bilardo and Rocchi, 1995 -- valid
  Copelatus rocchii Bilardo, 1982 -- valid
  Copelatus sanfilippoi Bilardo and Pederzani, 1972 -- valid
  Copelatus singularis Bilardo and Rocchi, 1995 -- valid
  Copelatus stillicidicola Bilardo and Rocchi, 1995 -- valid
  Copelatus tschaga Bilardo and Pederzani, 1972 -- valid
  Copelatus vagus Bilardo and Rocchi, 1995 -- valid
  Copelatus vanninii Bilardo and Rocchi, 1999 -- valid
  Copelatus venustus Bilardo and Rocchi, 1995 -- valid
  Copelatus virungaensis Bilardo, 1982 -- valid
  Copelatus zadiensis Bilardo and Rocchi, 1995 -- valid
  Copepoda Milne-Edwards, 1840 -- valid -- copépodes, copepods
  Cophixalus cateae Richards and Günther, 2019 -- valid
  Cophixalus hannahae Richards and Günther, 2019 -- valid
  Cophixalus misimae Richards and Oliver, 2007 -- valid
  Cophixalus monticola Richards, Dennis, Trenerry and Werren, 1994 -- valid
  Cophixalus rajampatensis Günther, Richards, Tjaturadi and Krey, 2015 -- valid
  Cophixalus salawatiensis Günther, Richards, Tjaturadi and Krey, 2015 -- valid
  Cophixalus tenuidactylus Günther and Richards, 2012 -- valid
  Cophixalus tuberculus Richards, Johnston and Burton, 1992 -- invalid
  Cophixalus viridis Günther, Richards and Dahl, 2014 -- valid
  Cophixalus wempi Richards and Oliver, 2010 -- valid
  Cophura ameles Pritchard, 1943 -- valid
  Cophura caca Pritchard, 1943 -- valid
  Cophura daphne Pritchard, 1943 -- valid
  Cophura dora Pritchard, 1943 -- valid
  Cophura hesperia (Pritchard, 1935) -- valid
  Cophura painteri Pritchard, 1943 -- valid
  Cophura vera (Pritchard, 1935) -- valid
  Copidaster cavernicola Solis-Marin & Laguarda-Figueras, 2010 -- valid
  Copiula annanoreenae Günther, Richards and Dahl, 2014 -- valid
  Copiula lennarti Günther, Richards and Dahl, 2014 -- valid
  Copris gopheri Hubbard, 1894 -- valid -- Copris tortoise commensal scarab
  Coproica cacti (Richards, 1960) -- valid
  Coproica urbana (Richards, 1960) -- valid
  Copromyza pruinosa Richards, 1932 -- invalid
  Cora chiribiquete Zloty and Pritchard, 2001 -- valid
  Coracina cucullata (Milne-Edwards & Oustalet, 1885) -- valid
  Coracina cucullata cucullata (Milne-Edwards & Oustalet, 1885) -- valid
  Coracina pectoralis (Jardine & Selby, 1828) -- valid -- White-breasted Cuckooshrike
  Coracina tenuirostris (Jardine, 1831) -- valid -- Cicadabird, Common Cicadabird
  Coracina tenuirostris tenuirostris (Jardine, 1831) -- valid
  Coracopsis nigra sibilans Milne-Edwards & Oustalet, 1885 -- valid
  Corallana africana Barnard, 1914A -- valid
  Corallana furcilla Barnard, 1955A -- valid
  Corallana sculpta (H. Milne-Edwards, 1840) -- valid
  Corallianassa longiventris (A. Milne-Edwards, 1870) -- valid
  Coralliocaris macropthalma (H. Milne Edwards, 1837) -- valid
  Corallocoris marksae (Woodward, 1958) -- valid
  Cordillana Hayward, 1941 -- invalid
  Cordioniscus andreevi Schmalfuss & Erhard, 1998 -- valid
  Cordioniscus graevei Schmalfuss & Erhard, 1998 -- valid
  Cordioniscus paragamiani Schmalfuss & Erhard, 1998 -- valid
  Cordylomyia denningi Pritchard, 1947 -- valid
  Cordylomyia xylophila Edwards, 1938 -- valid
  Coregonus vandesius Richardson, 1836 -- valid
  Coreodrassus interlisus (O. Pickard-Cambridge, 1885) -- valid
  Corhiza Millard, 1962 -- valid
  Corhiza bellicosa Millard, 1962 -- valid
  Coris caudimacula (Quoy and Gaimard, 1834) -- valid
  Coris gaimard (Quoy and Gaimard, 1824) -- valid
  Coris gaimardi (Quoy and Gaimard, 1824) -- invalid
  Cornufer adiastolus (Brown, Richards, Sukumaran and Foufopoulos, 2006) -- valid
  Cornufer admiraltiensis (Richards, Mack and Austin, 2007) -- valid
  Cornufer citrinospilus (Brown, Richards and Broadhead, 2013) -- valid
  Cornufer custos (Richards, Oliver and Brown, 2015) -- valid
  Cornufer desticans (Brown and Richards, 2008) -- valid
  Cornufer exedrus Travers, Richards, Broadhead and Brown, 2018 -- valid
  Cornufer hedigeri Brown, Siler, Richards, Diesmos and Cannatella, 2015 -- valid
  Cornufer heros (Girard, 1853) -- invalid
  Cornufer latro (Richards, Mack and Austin, 2007) -- valid
  Cornufer nakanaiorum (Brown, Foufopoulos and Richards, 2006) -- valid
  Cornufer parilis (Brown and Richards, 2008) -- valid
  Cornufer vitiensis (Girard, 1853) -- valid
  Corolla ovata (Quoy and Gaimard, 1832) -- valid
  Coronelaps lepidus (Reinhardt, 1861) -- valid -- Crowned Burrowing Snake, Minas Gerais Snake
  Coronimyia melitarae Reinhard, 1946 -- invalid
  Corophium bonelli Milne-Edwards, 1830 -- valid
  Corophium bonnellii H. Milne-Edwards -- valid
  Cortodera longicornis (Kirby in Richardson, 1837) -- valid
  Corvinella melanoleuca (Jardine, 1831) -- invalid
  Corycia triseriata Packard, 1874 -- invalid
  Corydoras barbatus (Quoy and Gaimard, 1824) -- valid -- banded corydoras
  Corymbophanes kaiei Armbruster and Sabaj in Armbruster, Sabaj, Hardman, Page and Knouft, 2000 -- valid
  Corynoneura lobata Edwards, 1924 -- valid
  Corynoneura majuscula Edwards, 1924 -- invalid
  Coryphaenoides striaturus Barnard, 1925 -- valid
  Coryphista meadii (Packard, 1874) -- valid -- Barberry Geometer
  Corythalia albicincta (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia binotata (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia brevispina (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia circumcincta (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia cristata (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia excavata (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia flavida (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia murcida (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia nigriventer (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia nigropicta (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia penicillata (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia quadriguttata (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia spiralis (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia spirorbis (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia sulphurea (F. O. Pickard-Cambridge, 1901) -- valid
  Corythalia voluta (F. O. Pickard-Cambridge, 1901) -- valid
  Cosberella lamaralexanderi Bernard, 2006 -- valid
  Coscinaraea Milne-Edwards and Haime, 1848 -- valid
  Cosmochthonius oralensis Seniczak, A. Seniczak, Kaczmarek, Marquardt and Jangazieva, 2020 -- valid
  Cosmochthonius pallidus Lombardini, 1961 -- invalid
  Cosmosalia chrysocoma (Kirby in Richardson, 1837) -- valid
  Cossyphus bicolor Liénard in Sauvage, 1891 -- invalid
  Cossyphus boutoni Liénard in Sauvage, 1891 -- invalid
  Cossyphus cyanostolus Richardson, 1846 -- invalid
  Cossyphus octomaculatus Liénard in Sauvage, 1891 -- invalid
  Cossyphus ommopterus Richardson, 1846 -- invalid
  Cossyphus vulpinus Richardson, 1850 -- invalid
  Costachorema peninsulae Ward, 1995 -- valid
  Costoanachis lafresnayi (P. Fischer and Bernardi, 1857) -- valid -- well-ribbed dovesnail
  Cotesia acuminata (Reinhard, 1880) -- valid
  Cotesia atalantae (Packard, 1881) -- valid
  Cotesia biezankoi (Blanchard, 1960) -- valid
  Cotesia caligophagus (Blanchard, 1964) -- valid
  Cotesia carduicola (Packard, 1881) -- valid
  Cotesia delicata (Howard, 1897) -- valid
  Cotesia euphobetri (Blanchard, 1935) -- valid
  Cotesia hallii (Packard, 1877) -- valid
  Cotesia lesbiae (Blanchard, 1947) -- valid
  Cotesia lizeri (Blanchard, 1947) -- valid
  Cotesia lunata (Packard, 1881) -- valid
  Cotesia oeceticola (Blanchard, 1935) -- valid
  Cotesia scabricula (Reinhard, 1880) -- valid
  Cotesia tetrica (Reinhard, 1880) -- valid
  Cotesia vanessae (Reinhard, 1880) -- valid
  Cotesia villana (Reinhard, 1880) -- valid
  Cottopsis Girard, 1850 -- invalid
  Cottunculoides Barnard, 1927 -- invalid
  Cottus asper Richardson, 1836 -- valid -- prickly sculpin
  Cottus bairdii Girard, 1850 -- valid -- chabot tacheté, mottled sculpin
  Cottus cognatus Richardson, 1836 -- valid -- chabot visqueux, slimy sculpin
  Cottus gulosus (Girard, 1854) -- valid -- riffle sculpin
  Cottus hexacornis Richardson, 1823 -- invalid
  Cottus meridionalis Girard, 1850 -- invalid -- southern miller's thumb
  Coturnix novaezealandiae Quoy & Gaimard, 1830 -- invalid
  Coturnix novaezelandiae Quoy & Gaimard, 1830 -- valid -- New Zealand Quail
  Cotylorhipis Blanchard, 1909 -- valid
  Courquiniana Locard, 1889 -- invalid
  Coxophoxus J. L. Barnard, 1966 -- valid
  Coxophoxus hidalgo J. L. Barnard, 1966 -- valid
  Crabro argus (Packard, 1867) -- invalid
  Crabro brunneipes Packard, 1866 -- invalid
  Crabro capitosus Shuckard, 1837 -- invalid
  Crabro cetratus Shuckard, 1837 -- invalid
  Crabro cingulatus (Packard, 1867) -- valid
  Crabro corrugatus Packard, 1866 -- invalid
  Crabro cribrellifer (Packard, 1867) -- valid
  Crabro cristatus Packard, 1866 -- invalid
  Crabro cubiceps Packard, 1866 -- invalid
  Crabro denticulatus Packard, 1866 -- invalid
  Crabro discifer (Packard, 1867) -- invalid
  Crabro effossus Packard, 1866 -- invalid
  Crabro elongatulus berlandi Richards, 1928 -- invalid
  Crabro elongatulus hyalinus Shuckard, 1837 -- invalid
  Crabro elongatulus obliquus Shuckard, 1837 -- invalid
  Crabro elongatulus propinquus Shuckard, 1837 -- invalid
  Crabro elongatus proximus Shuckard, 1837 -- invalid
  Crabro elongatus transversalis Shuckard, 1837 -- invalid
  Crabro geniculatus Shuckard, 1837 -- invalid
  Crabro gracilissimus Packard, 1866 -- invalid
  Crabro harrisi (Packard, 1867) -- invalid
  Crabro hyalinus Shuckard, 1837 -- invalid
  Crabro jordanicus Guichard, 1991 -- valid
  Crabro leucostomoides (Richards, 1935) -- invalid
  Crabro lindenius Shuckard, 1837 -- invalid
  Crabro minimus (Packard, 1867) -- invalid
  Crabro monticola (Packard, 1867) -- valid
  Crabro obliquus Shuckard, 1837 -- invalid
  Crabro oblongus Packard, 1866 -- invalid
  Crabro parvulus Packard, 1866 -- invalid
  Crabro paucimaculatus Packard, 1866 -- invalid
  Crabro pauper Packard, 1866 -- invalid
  Crabro pedicellatus (Packard, 1867) -- invalid
  Crabro producticollis Packard, 1866 -- invalid
  Crabro propinquus Shuckard, 1837 -- invalid
  Crabro proximus Shuckard, 1837 -- invalid
  Crabro pubescens Shuckard, 1837 -- invalid
  Crabro quadrangularis Packard, 1866 -- invalid
  Crabro quatuordecimmaculatus Packard, 1866 -- invalid
  Crabro rufifemur Packard, 1866 -- invalid
  Crabro rufigaster (Packard, 1867) -- invalid
  Crabro septentrionalis Packard, 1866 -- invalid
  Crabro signifer (Packard, 1867) -- invalid
  Crabro spinipectus Shuckard, 1837 -- invalid
  Crabro stirpicola Packard, 1866 -- invalid
  Crabro tarsatus Shuckard, 1837 -- invalid
  Crabro tenuiglossa (Packard, 1866) -- valid
  Crabro tetraedrus Blanchard, 1840 -- invalid
  Crabro transversalis Shuckard, 1837 -- invalid
  Crabro trapezoideus Packard, 1866 -- invalid
  Crabro tumidus (Packard, 1867) -- valid
  Crabro vernalis (Packard, 1867) -- valid
  Crabro villosifrons Packard, 1866 -- invalid
  Crabro walkeri Shuckard, 1837 -- invalid
  Crabro xylurgus Shuckard, 1837 -- invalid
  Crambidia Packard, 1864 -- valid
  Crambidia casta (Packard, 1869) -- valid
  Crambidia pallida Packard, 1864 -- valid
  Crangon ventricosus H. Milne-Edwards, 1837 -- invalid
  Crangonyx antennatus Cope and Packard, 1881 -- valid -- Appalachian Valley cave amphipod, Appalachian Valley crangonyctid
  Cranoglanis bouderius (Richardson, 1846) -- valid
  Cranopsis alvaria (Girard in Baird, 1859) -- invalid
  Cranopsis nebulifer (Girard, 1854) -- invalid
  Craspedoxanthitea Hardy, 1987 -- valid
  Craspedoxanthitea flaviseta Hardy, 1987 -- valid
  Crassadoma Bernard, 1986 -- valid
  Crassedoma Bernard, 1986 -- invalid
  Crassicorophium bonelli (H. Milne Edwards, 1830) -- valid
  Cratoscelis aterrima Blanchard, 1850 -- invalid
  Cratoscelis gayana Blanchard, 1850 -- invalid
  Cratoscelis plana Blanchard, 1850 -- invalid
  Cratoscelis striolata Blanchard, 1850 -- invalid
  Cratoscelis villosa Blanchard, 1850 -- invalid
  Crax salvini (Reinhardt, 1879) -- invalid
  Crematogaster chopardi Bernard, 1950 -- valid
  Crematogaster esterelana (Bernard, 1978) -- valid
  Crematogaster lamottei Bernard, 1953 -- valid
  Crematogaster pulchella Bernard, 1953 -- valid
  Crematogaster terminalis (Shuckard, 1838) -- valid
  Creoleon Tillyard, 1918 -- valid
  Crepidobothrium viperis (Beddard, 1913) -- valid
  Cricetulus Milne-Edwards, 1867 -- valid -- Dwarf Hamsters
  Cricetulus griseus Milne-Edwards, 1867 -- invalid
  Cricetulus longicaudatus (Milne-Edwards, 1867) -- valid -- Lesser Long-tailed Hamster, Long-tailed Dwarf Hamster
  Cricetulus obscurus Milne-Edwards, 1867 -- invalid
  Cricotopus glacialis Edwards, 1922 -- valid
  Cricotopus laricomalis Edwards, 1932 -- valid
  Cricotopus lestralis (Edwards, 1924) -- valid
  Cricotopus oceanicus (Packard, 1896) -- valid
  Cricotopus trifascia Edwards, 1929 -- valid
  Crinia signifera Girard, 1853 -- valid
  Crinia signifera signifera Girard, 1853 -- invalid
  Crinitisophira Hardy, 1986 -- valid
  Crinitisophira bicolor Hardy, 1986 -- valid
  Criptoberis Hardy, 1920 -- invalid
  Crisia calyptostoma Hayward and Ryland, 1978 -- valid
  Crisia geniculata Milne-Edwards, 1838 -- invalid
  Crisidia Milne-Edwards, 1838 -- valid
  Crispatotrochus avis (Durham and Barnard, 1952) -- valid
  Crispatotrochus foxi (Durham and Barnard, 1952) -- valid
  Cristaserolis gaudichaudii (Audouin & Milne-Edwards, 1841) -- valid
  Cristaserolis laevis (Richardson, 1911A) -- valid
  Crocidura attenuata Milne-Edwards, 1872 -- valid -- Asian Gray Shrew, Indochinese Shrew
  Crocidurinae Milne-Edwards, 1872 -- valid -- white-toothed shrews
  Crocinosoma Reinhard, 1947 -- valid
  Crocinosoma cornuale Reinhard, 1947 -- valid
  Crocinosoma cornualis Reinhard, 1947 -- invalid
  Crocisa caeruleopunctata Blanchard, 1840 -- invalid
  Crocisa coeruleopunctata Blanchard, 1840 -- invalid
  Crocodilosa virulenta (O. Pickard-Cambridge, 1876) -- valid
  Crosniera Kensley and Heard, 1991 -- valid
  Crossocerus capitosus (Shuckard, 1837) -- valid
  Crossocerus cetratus (Shuckard, 1837) -- valid
  Crossocerus elongatulus berlandi (Richards, 1928) -- invalid
  Crossocerus harrisi (Packard, 1867) -- invalid
  Crossocerus leucostomoides (Richards, 1935) -- invalid
  Crossocerus minimus (Packard, 1867) -- valid
  Crossocerus obliquus (Shuckard, 1837) -- invalid
  Crossocerus pubescens (Shuckard, 1837) -- invalid
  Crossocerus spinipectus (Shuckard, 1837) -- invalid
  Crossocerus tarsatus (Shuckard, 1837) -- valid
  Crossocerus tarsatus tarsatus (Shuckard, 1837) -- valid
  Crossocerus transversalis (Shuckard, 1837) -- invalid
  Crossocerus walkeri (Shuckard, 1837) -- valid
  Crossodactylus schmidti Gallardo, 1961 -- valid
  Crossodactylus trachystoma (Reinhardt and Lütken, 1862) -- invalid
  Crossodactylus trachystomus (Reinhardt and Lütken, 1862) -- valid
  Crossopriza semicaudata (O. Pickard-Cambridge, 1876) -- valid
  Crossotonotus A. Milne-Edwards, 1873 -- valid
  Crotalophorus edwardsii Baird and Girard, 1853 -- invalid
  Crotalus atrox Baird and Girard, 1853 -- valid -- Víbora-cascabel de diamantes, Western Diamond-backed Rattlesnake, Western Diamondback Rattlesnake
  Crotalus molossus Baird and Girard, 1853 -- valid -- Black-tailed Rattlesnake, Víbora-cascabel cola negra
  Crotalus molossus molossus Baird and Girard, 1853 -- valid -- Black-tailed Rattlesnake
  Crotaphopeltis hippocrepis (Reinhardt, 1843) -- valid
  Crotaphytus dorsalis Baird and Girard, 1852 -- invalid
  Crotaphytus wislizenii wislizenii Baird and Girard, 1852 -- invalid
  Crotophaga sulcirostris pallidula Bangs & T. E. Penard, 1921 -- valid
  Crumomyia pruinosa (Richards, 1932) -- valid
  Crustulina conspicua (O. Pickard-Cambridge, 1872) -- valid
  Crustulina sticta (O. Pickard-Cambridge, 1861) -- valid
  Cryophila Edwards, 1930 -- valid
  Cryptachaea oblivia (O. Pickard-Cambridge, 1896) -- valid
  Cryptachaea pura (O. Pickard-Cambridge, 1894) -- valid
  Cryptachaea rostrata (O. Pickard-Cambridge, 1896) -- valid
  Cryptarcha Shuckard, 1839 -- valid
  Crypthelia Milne-Edwards and Haime, 1849 -- valid
  Crypthelia japonica (Milne-Edwards and Haime, 1849) -- valid
  Crypthelia pudica Milne-Edwards and Haime, 1849 -- valid
  Cryptichthys Hardy, 1987 -- valid
  Cryptichthys jojettae Hardy, 1987 -- valid
  Cryptione laevis Richardson, 1910 -- invalid
  Cryptoblepharus boutonii (Desjardin, 1831) -- valid
  Cryptoblepharus boutonii boutonii (Desjardin, 1831) -- valid
  Cryptobranchus davidianus (Blanchard, 1871) -- invalid
  Cryptodrassus helvolus (O. Pickard-Cambridge, 1872) -- valid
  Cryptodrilus fletcheri Beddard, 1887 -- valid
  Cryptohelia Milne-Edwards and Haime, 1849 -- invalid
  Cryptomeigenia brimleyi Reinhard, 1947 -- valid
  Cryptomeigenia crassipalpis Reinhard, 1947 -- valid
  Cryptomys kubangensis (Monard, 1933) -- invalid
  Cryptophialus turbonis Barnard -- valid
  Cryptopodia Milne-Edwards, 1834 -- valid
  Cryptopygus elegans (Cardoso, 1973) -- valid
  Cryptotomus spinidens (Quoy and Gaimard, 1824) -- invalid -- halftoothed parrotfish
  Cryptotretra Edwards & Vevers, 1975 -- invalid
  Ctenobostrychus Reichardt, 1962 -- valid
  Ctenobostrychus alverneri Reichardt, 1962 -- valid
  Ctenobrycon alleni (Eigenmann and McAtee in Eigenmann, McAtee and Ward, 1907) -- valid
  Ctenochaetus argenteus (Quoy & Gaimard, 1825) -- invalid
  Ctenochaetus striatus (Quoy & Gaimard, 1825) -- valid -- striped bristletooth
  Ctenocheles collini Ward, 1945 -- valid
  Ctenolabrus aurigarius Richardson, 1845 -- invalid
  Ctenolabrus rubellio Richardson, 1845 -- invalid
  Ctenomys coyhaiquensis Kelt and Gallardo, 1994 -- valid -- Coyhaique Tuco-tuco
  Ctenophryne Mocquard, 1904 -- valid
  Ctenophryne geagi Mocquard, 1904 -- invalid
  Ctenophryne geayi Mocquard, 1904 -- valid
  Cubaris harsadiensis Barnard, 1940 -- valid
  Cubaris obliquidens (Barnard, 1932) -- valid
  Cubaris oxyzomus Barnard, 1940 -- valid
  Cubaris pongolae Barnard, 1937 -- valid
  Cucullaeidae Steward, 1930 -- valid
  Cucumaria arcuata (Hérouard, 1912) -- valid
  Cucumaria convergens Hérouard, 1901 -- invalid
  Cucumaria flamma Solis-Marin & Laguarda-Figueras, 1999 -- valid
  Cucumaria mauritanica Hérouard, 1929 -- invalid
  Cudahyomys Hibbard, 1944 -- invalid