Integrated Taxonomic Information System - Taxon Author Search Results

Publication: Thorington, Richard W., Jr., John L. Koprowski, Michael A. Steele, and James F. Whatton 2012 Squirrels of the World vii + 459

ITIS records citing this publication
 
 Kingdom Animalia
  Aeretes G. M. Allen, 1940 -- valid
  Aeretes melanopterus (Milne-Edwards, 1867) -- valid -- Northern Chinese Flying Squirrel, groove-toothed flying squirrel
  Aeretes melanopterus melanopterus (Milne-Edwards, 1867) -- valid
  Aeretes melanopterus szechuanensis Wang, Tu, and Wang, 1966 -- valid
  Aeromys Robinson and Kloss, 1915 -- valid -- Large Black Flying Squirrels
  Aeromys tephromelas (Günther, 1873) -- valid -- Black Flying Squirrel
  Aeromys tephromelas phaeomelas (Günther, 1873) -- valid
  Aeromys tephromelas tephromelas (Günther, 1873) -- valid
  Aeromys thomasi (Hose, 1900) -- valid -- Thomas's Flying Squirrel
  Ammospermophilus Merriam, 1892 -- valid -- Antelope Squirrels
  Ammospermophilus harrisii (Audubon and Bachman, 1854) -- valid -- Harris' antelope squirrel, Ardilla-antilope de Sonora, Harris's Antelope Squirrel
  Ammospermophilus harrisii harrisii (Audubon and Bachman, 1854) -- valid
  Ammospermophilus harrisii saxicolus (Mearns, 1896) -- valid
  Ammospermophilus insularis Nelson and Goldman, 1909 -- valid -- Espiritu Santo Island Antelope Squirrel
  Ammospermophilus interpres (Merriam, 1890) -- valid -- Ardilla-antilope texana, Texas Antelope Squirrel
  Ammospermophilus leucurus (Merriam, 1889) -- valid -- Ardilla-antílope cola blanca, White-tailed Antelope Squirrel
  Ammospermophilus leucurus canfieldiae Huey, 1929 -- valid
  Ammospermophilus leucurus cinamomeus (Merriam, 1890) -- valid
  Ammospermophilus leucurus escalante (Hansen, 1955) -- valid
  Ammospermophilus leucurus extimus Nelson and Goldman, 1929 -- valid
  Ammospermophilus leucurus leucurus (Merriam, 1889) -- valid
  Ammospermophilus leucurus notom (Hansen, 1955) -- valid
  Ammospermophilus leucurus peninsulae (J. A. Allen, 1893) -- valid
  Ammospermophilus leucurus pennipes A. H. Howell, 1931 -- valid
  Ammospermophilus leucurus tersus Goldman, 1929 -- valid
  Ammospermophilus nelsoni (Merriam, 1893) -- valid -- San Joaquin antelope ground squirrel, San Joaquin antelope squirrel, Nelson's Antelope Squirrel, Nelson's antelope ground squirrel
  Atlantoxerus Forsyth Major, 1893 -- valid
  Atlantoxerus getulus (Linnaeus, 1758) -- valid -- Barbary Ground Squirrel
  Belomys Thomas, 1908 -- valid
  Belomys pearsonii (Gray, 1842) -- valid -- Hairy-footed Flying Squirrel
  Belomys pearsonii blandus Osgood, 1932 -- valid
  Belomys pearsonii kaleensis (Swinhoe, 1863) -- valid
  Belomys pearsonii pearsonii (Gray, 1842) -- valid
  Belomys pearsonii trichotis Thomas, 1908 -- valid
  Biswamoyopterus Saha, 1981 -- valid
  Biswamoyopterus biswasi Saha, 1981 -- valid -- Namdapha Flying Squirrel
  Callosciurinae Pocock, 1923 -- valid -- Southern Asian tree squirrels
  Callosciurus Gray, 1867 -- valid -- Oriental Tree Squirrels
  Callosciurus adamsi (Kloss, 1921) -- valid -- Ear-spot Squirrel
  Callosciurus albescens (Bonhote, 1901) -- invalid -- Kloss's squirrel, Kloss squirrel
  Callosciurus baluensis (Bonhote, 1901) -- valid -- Kinabalu Squirrel
  Callosciurus caniceps (Gray, 1842) -- valid -- Gray-bellied Squirrel
  Callosciurus caniceps adangensis (Miller, 1903) -- valid
  Callosciurus caniceps altinsularis (Miller, 1903) -- valid
  Callosciurus caniceps bimaculatus (Temminck, 1853) -- valid
  Callosciurus caniceps caniceps (Gray, 1842) -- valid
  Callosciurus caniceps casensis (Miller, 1903) -- valid
  Callosciurus caniceps concolor (Blyth, 1856) -- valid
  Callosciurus caniceps domelicus (Miller, 1903) -- valid
  Callosciurus caniceps fallax (Robinson and Kloss, 1914) -- valid
  Callosciurus erythraeus (Pallas, 1779) -- valid -- Pallas's Squirrel
  Callosciurus finlaysonii (Horsfield, 1823) -- valid -- Finlayson's Squirrel
  Callosciurus finlaysonii albivexilli (Kloss, 1916) -- valid
  Callosciurus finlaysonii annellatus Thomas, 1929 -- valid
  Callosciurus finlaysonii bocourti (Milne-Edwards, 1867) -- valid
  Callosciurus finlaysonii boonsongi Moore and Tate, 1965 -- valid
  Callosciurus finlaysonii cinnamomeus (Temminck, 1853) -- valid
  Callosciurus finlaysonii ferrugineus (F. Cuvier, 1829) -- valid
  Callosciurus finlaysonii finlaysonii (Horsfield, 1823) -- valid
  Callosciurus finlaysonii folletti (Kloss, 1915) -- valid
  Callosciurus finlaysonii frandseni (Kloss, 1916) -- valid
  Callosciurus finlaysonii germaini (Milne-Edwards, 1867) -- valid
  Callosciurus finlaysonii harmandi (Milne-Edwards, 1877) -- valid
  Callosciurus finlaysonii menamicus Thomas, 1929 -- valid
  Callosciurus finlaysonii nox (Wroughton, 1908) -- valid
  Callosciurus finlaysonii sinistralis (Wroughton, 1908) -- valid
  Callosciurus finlaysonii trotteri (Kloss, 1916) -- valid
  Callosciurus finlaysonii williamsoni Robinson and Kloss, 1922 -- valid
  Callosciurus inornatus (Gray, 1867) -- valid -- Inornate Squirrel
  Callosciurus melanogaster (Thomas, 1895) -- valid -- Mentawai Squirrel
  Callosciurus melanogaster atratus (Miller, 1903) -- valid
  Callosciurus melanogaster melanogaster (Thomas, 1895) -- valid
  Callosciurus melanogaster mentawi (Chasen and Kloss, 1927) -- valid
  Callosciurus nigrovittatus (Horsfield, 1823) -- valid -- Black-striped Squirrel
  Callosciurus nigrovittatus bilimitatus (Miller, 1903) -- valid
  Callosciurus nigrovittatus bocki (Robinson and Wroughton, 1911) -- valid
  Callosciurus nigrovittatus klossi (Miller, 1900) -- valid
  Callosciurus nigrovittatus nigrovittatus (Horsfield, 1823) -- valid
  Callosciurus notatus (Boddaert, 1785) -- valid -- Plantain Squirrel
  Callosciurus notatus albescens (Bonhote, 1901) -- valid -- Kloss squirrel, Kloss's squirrel
  Callosciurus notatus diardii (Jentink, 1879) -- valid
  Callosciurus notatus miniatus (Miller, 1900) -- valid
  Callosciurus notatus notatus (Boddaert, 1785) -- valid
  Callosciurus notatus suffusus (Bonhote, 1901) -- valid
  Callosciurus notatus vittatus (Raffles, 1821) -- valid
  Callosciurus orestes (Thomas, 1895) -- valid -- Borneo Black-banded Squirrel
  Callosciurus phayrei (Blyth, 1856) -- valid -- Phayre's Squirrel
  Callosciurus prevostii (Desmarest, 1822) -- valid -- Prevost's Squirrel
  Callosciurus prevostii atricapillus (Schlegel, 1863) -- valid
  Callosciurus prevostii atrox (Miller, 1913) -- valid
  Callosciurus prevostii borneoensis (Müller and Schlegel, 1842) -- valid
  Callosciurus prevostii caedis (Chasen and Kloss, 1932) -- valid
  Callosciurus prevostii coomansi Sody, 1949 -- valid
  Callosciurus prevostii humei (Bonhote, 1901) -- valid
  Callosciurus prevostii melanops (Miller, 1902) -- valid
  Callosciurus prevostii palustris (Lyon, 1907) -- valid
  Callosciurus prevostii piceus (Peters, 1866) -- valid
  Callosciurus prevostii pluto (Gray, 1867) -- valid
  Callosciurus prevostii prevostii (Desmarest, 1822) -- valid
  Callosciurus prevostii rafflesii (Vigors and Horsfield, 1828) -- valid
  Callosciurus prevostii rufonigra (Gray, 1842) -- valid
  Callosciurus prevostii sanggaus (Lyon, 1907) -- valid
  Callosciurus prevostii sarawakensis (Gray, 1867) -- valid
  Callosciurus prevostii waringensis Sody, 1949 -- valid
  Callosciurus prevostii wrayi (Kloss, 1910) -- valid
  Callosciurus pygerythrus (I. Geoffroy Saint-Hilaire, 1833) -- valid -- Irrawaddy Squirrel
  Callosciurus pygerythrus blythii (Tytler, 1854) -- valid
  Callosciurus pygerythrus janetta (Thomas, 1914) -- valid
  Callosciurus pygerythrus lokroides (Hodgson, 1836) -- valid
  Callosciurus pygerythrus mearsi (Bonhote, 1906) -- valid
  Callosciurus pygerythrus owensi (Thomas and Wroughton, 1916) -- valid
  Callosciurus pygerythrus pygerythrus (I. Geoffroy Saint-Hilaire, 1833) -- valid
  Callosciurus pygerythrus stevensi (Thomas, 1908) -- valid
  Callosciurus quinquestriatus (Anderson, 1871) -- valid -- Anderson's Squirrel
  Callosciurus quinquestriatus imarius Thomas, 1926 -- valid
  Callosciurus quinquestriatus quinquestriatus (Anderson, 1871) -- valid
  Callospermophilus Merriam, 1897 -- valid -- Golden-mantled Ground Squirrels
  Callospermophilus lateralis (Say, 1823) -- valid -- Golden-mantled Ground Squirrel
  Callospermophilus lateralis arizonensis (V. Bailey, 1913) -- valid
  Callospermophilus lateralis bernardinus (Merriam, 1898) -- valid
  Callospermophilus lateralis castanurus (Merriam, 1890) -- valid
  Callospermophilus lateralis certus (Goldman, 1921) -- valid
  Callospermophilus lateralis chrysodeirus (Merriam, 1890) -- valid
  Callospermophilus lateralis cinerascens (Merriam, 1890) -- valid
  Callospermophilus lateralis connectens (A. H. Howell, 1931) -- valid
  Callospermophilus lateralis lateralis (Say, 1823) -- valid
  Callospermophilus lateralis mitratus (A. H. Howell, 1931) -- valid
  Callospermophilus lateralis tescorum (Hollister, 1911) -- valid
  Callospermophilus lateralis trepidus (Taylor, 1910) -- valid
  Callospermophilus lateralis trinitatus (Merriam, 1901) -- valid
  Callospermophilus lateralis wortmani (J. A. Allen, 1895) -- valid
  Callospermophilus madrensis (Merriam, 1901) -- valid -- Sierra Madre Ground Squirrel
  Callospermophilus saturatus (Rhoads, 1895) -- valid -- Cascade Golden-mantled Ground Squirrel
  Cynomys Rafinesque, 1817 -- valid -- Prairie Dogs
  Cynomys gunnisoni (Baird, 1855) -- valid -- Gunnison's Prairie Dog
  Cynomys gunnisoni gunnisoni (Baird, 1855) -- valid
  Cynomys gunnisoni zuniensis Hollister, 1916 -- valid
  Cynomys leucurus Merriam, 1890 -- valid -- White-tailed Prairie Dog
  Cynomys ludovicianus (Ord, 1815) -- valid -- Arizona black-tailed prairie dog, Perro-llanero cola negra, Black-tailed Prairie Dog
  Cynomys ludovicianus arizonensis Mearns, 1890 -- valid -- Arizona black-tailed prairie dog
  Cynomys ludovicianus ludovicianus (Ord, 1815) -- valid
  Cynomys mexicanus Merriam, 1892 -- valid -- Mexican Prairie Dog, Mexican prairie marmot
  Cynomys parvidens J. A. Allen, 1905 -- valid -- Utah Prairie Dog
  Dremomys Heude, 1898 -- valid -- Red-cheeked Squirrels
  Dremomys everetti (Thomas, 1890) -- valid -- Bornean Mountain Ground Squirrel
  Dremomys gularis Osgood, 1932 -- valid -- Red-throated Squirrel
  Dremomys lokriah (Hodgson, 1836) -- valid -- Orange-bellied Himalayan Squirrel
  Dremomys lokriah garonum Thomas, 1922 -- valid
  Dremomys lokriah lokriah (Hodgson, 1836) -- valid
  Dremomys lokriah macmillani Thomas and Wroughton, 1916 -- valid
  Dremomys lokriah motuoensis Cai and Zhang, 1980 -- valid
  Dremomys lokriah nielamuensis Li and Wang, 1992 -- valid
  Dremomys lokriah pagus Moore, 1956 -- valid
  Dremomys pernyi (Milne-Edwards, 1867) -- valid -- Perny's Long-nosed Squirrel
  Dremomys pernyi calidior Thomas, 1916 -- valid
  Dremomys pernyi flavior G. M. Allen, 1912 -- valid
  Dremomys pernyi howelli Thomas, 1922 -- valid
  Dremomys pernyi imus Thomas, 1922 -- valid
  Dremomys pernyi modestus Thomas, 1916 -- valid
  Dremomys pernyi owstoni (Thomas, 1908) -- valid
  Dremomys pernyi pernyi (Milne-Edwards, 1867) -- valid
  Dremomys pernyi senex G. M. Allen, 1912 -- valid
  Dremomys pyrrhomerus (Thomas, 1895) -- valid -- Red-hipped Squirrel
  Dremomys pyrrhomerus pyrrhomerus (Thomas, 1895) -- valid
  Dremomys pyrrhomerus riudonensis J. A. Allen, 1906 -- valid
  Dremomys rufigenis (Blanford, 1878) -- valid -- Asian Red-cheeked Squirrel
  Dremomys rufigenis adamsoni Thomas, 1914 -- valid
  Dremomys rufigenis belfieldi (Bonhote, 1908) -- valid
  Dremomys rufigenis fuscus (Bonhote, 1907) -- valid
  Dremomys rufigenis ornatus Thomas, 1914 -- valid
  Dremomys rufigenis rufigenis (Blanford, 1878) -- valid
  Eoglaucomys A. H. Howell, 1915 -- valid
  Eoglaucomys fimbriatus (Gray, 1837) -- valid -- Kashmir Flying Squirrel
  Eoglaucomys fimbriatus baberi (Blyth, 1847) -- valid -- Afghan flying squirrel
  Eoglaucomys fimbriatus fimbriatus (Gray, 1837) -- valid
  Epixerus Thomas, 1909 -- valid -- African Palm Squirrels
  Epixerus ebii (Temminck, 1853) -- valid -- Western Palm Squirrel, Palm Squirrel, African Palm Squirrel, Ebian's palm squirrel, Temminck's giant squirrel
  Epixerus ebii ebii (Temminck, 1853) -- valid
  Epixerus ebii jonesi Hayman, 1954 -- valid
  Epixerus ebii wilsoni (Du Chaillu, 1860) -- valid -- Biafran palm squirrel
  Eupetaurus Thomas, 1888 -- valid
  Eupetaurus cinereus Thomas, 1888 -- valid -- Woolly Flying Squirrel
  Exilisciurus Moore, 1958 -- valid -- Pygmy Squirrels
  Exilisciurus concinnus (Thomas, 1888) -- valid -- Philippine Pygmy Squirrel
  Exilisciurus exilis (Müller, 1838) -- valid -- Least Pygmy Squirrel
  Exilisciurus whiteheadi (Thomas, 1887) -- valid -- Tufted Pygmy Squirrel
  Funambulus Lesson, 1835 -- valid -- Asiatic Palm Squirrels
  Funambulus layardi (Blyth, 1849) -- valid -- Layard's Palm Squirrel
  Funambulus layardi dravidianus Robinson, 1917 -- invalid
  Funambulus layardi layardi (Blyth, 1849) -- invalid
  Funambulus palmarum (Linnaeus, 1766) -- valid -- Indian Palm Squirrel
  Funambulus palmarum brodiei (Blyth, 1849) -- valid
  Funambulus palmarum palmarum (Linnaeus, 1766) -- valid
  Funambulus palmarum robertsoni Wroughton, 1916 -- valid
  Funambulus pennantii Wroughton, 1905 -- valid -- Northern Palm Squirrel
  Funambulus pennantii argentescens Wroughton, 1905 -- valid
  Funambulus pennantii pennantii Wroughton, 1905 -- valid
  Funambulus sublineatus (Waterhouse, 1838) -- valid -- Dusky Palm Squirrel
  Funambulus sublineatus obscurus (Pelzeln and Kohl, 1886) -- valid
  Funambulus sublineatus sublineatus (Waterhouse, 1838) -- valid
  Funambulus tristriatus (Waterhouse, 1837) -- valid -- Jungle Palm Squirrel, jungle striped squirrel, western ghats squirrel
  Funambulus tristriatus numarius Wroughton, 1916 -- valid
  Funambulus tristriatus tristriatus (Waterhouse, 1837) -- valid
  Funisciurus Trouessart, 1880 -- valid -- Rope Squirrels
  Funisciurus anerythrus (Thomas, 1890) -- valid -- Thomas's Rope Squirrel
  Funisciurus anerythrus anerythrus (Thomas, 1890) -- valid
  Funisciurus anerythrus bandarum Thomas, 1915 -- valid
  Funisciurus anerythrus mystax de Winton, 1898 -- valid
  Funisciurus anerythrus raptorum Thomas, 1903 -- valid
  Funisciurus bayonii (Bocage, 1890) -- valid -- Lunda Rope Squirrel
  Funisciurus carruthersi Thomas, 1906 -- valid -- Carruther's Mountain Squirrel
  Funisciurus carruthersi birungensis Gyldenstolpe, 1927 -- valid
  Funisciurus carruthersi carruthersi Thomas, 1906 -- valid
  Funisciurus carruthersi chrysippus Thomas, 1923 -- valid
  Funisciurus carruthersi tanganyikae Thomas, 1909 -- valid
  Funisciurus congicus (Kuhl, 1820) -- valid -- Congo Rope Squirrel
  Funisciurus duchaillui Sanborn, 1953 -- valid -- Du Chaillu's Rope Squirrel
  Funisciurus isabella (Gray, 1862) -- valid -- Lady Burton's Rope Squirrel
  Funisciurus isabella dubosti Eisentraut, 1969 -- invalid
  Funisciurus isabella isabella (Gray, 1862) -- invalid
  Funisciurus lemniscatus (Le Conte, 1857) -- valid -- Ribboned Rope Squirrel
  Funisciurus lemniscatus lemniscatus (Le Conte, 1857) -- valid
  Funisciurus lemniscatus mayumbicus Kershaw, 1923 -- valid
  Funisciurus leucogenys (Waterhouse, 1842) -- valid -- Red-cheeked Rope Squirrel
  Funisciurus leucogenys auriculatus (Matschie, 1891) -- valid
  Funisciurus leucogenys leucogenys (Waterhouse, 1842) -- valid
  Funisciurus leucogenys oliviae (Dollman, 1911) -- valid
  Funisciurus pyrropus (F. Cuvier, 1833) -- valid -- Fire-footed Rope Squirrel
  Funisciurus pyrropus akka de Winton, 1895 -- valid
  Funisciurus pyrropus leonis Thomas, 1905 -- valid
  Funisciurus pyrropus leucostigma (Temminck, 1853) -- valid
  Funisciurus pyrropus mandingo Thomas, 1903 -- valid
  Funisciurus pyrropus nigrensis Thomas, 1909 -- valid
  Funisciurus pyrropus niveatus Thomas, 1923 -- valid
  Funisciurus pyrropus pembertoni Thomas, 1904 -- valid
  Funisciurus pyrropus pyrropus (F. Cuvier, 1833) -- valid
  Funisciurus pyrropus talboti Thomas, 1909 -- valid
  Funisciurus substriatus de Winton, 1899 -- valid -- Kintampo Rope Squirrel
  Glaucomys Thomas, 1908 -- valid -- American flying squirrels, New World Flying Squirrels
  Glaucomys sabrinus (Shaw, 1801) -- valid -- grand polatouche, Northern Flying Squirrel
  Glaucomys sabrinus alpinus (Richardson, 1828) -- valid -- Richardson flying squirrel
  Glaucomys sabrinus bangsi (Rhoads, 1897) -- valid -- Bangs flying squirrel
  Glaucomys sabrinus californicus (Rhoads, 1897) -- valid -- San Bernardino flying squirrel
  Glaucomys sabrinus canescens A. H. Howell, 1915 -- valid
  Glaucomys sabrinus coloratus Handley, 1953 -- valid -- Carolina northern flying squirrel
  Glaucomys sabrinus columbiensis A. H. Howell, 1915 -- valid -- Okanagan flying squirrel
  Glaucomys sabrinus flaviventris A. H. Howell, 1915 -- valid -- yellow-bellied flying squirrel
  Glaucomys sabrinus fuliginosus (Rhoads, 1897) -- valid -- Cascade flying squirrel
  Glaucomys sabrinus fuscus Miller, 1936 -- valid -- Virginia flying squirrel, Virginia northern flying squirrel
  Glaucomys sabrinus goodwini Anderson, 1943 -- valid
  Glaucomys sabrinus gouldi Anderson, 1943 -- valid
  Glaucomys sabrinus griseifrons A. H. Howell, 1934 -- valid -- Prince of Wales flying squirrel, Prince of Wales Island flying squirrel
  Glaucomys sabrinus klamathensis (Merriam, 1897) -- valid -- Klamath flying squirrel
  Glaucomys sabrinus lascivus (Bangs, 1899) -- valid -- Sierra flying squirrel
  Glaucomys sabrinus latipes A. H. Howell, 1915 -- valid -- broad-footed flying squirrel
  Glaucomys sabrinus lucifugus Hall, 1934 -- valid
  Glaucomys sabrinus macrotis (Mearns, 1898) -- valid -- Mearns flying squirrel
  Glaucomys sabrinus makkovikensis (Sornborger, 1900) -- valid -- Laborador flying squirrel
  Glaucomys sabrinus murinauralis Musser, 1961 -- valid
  Glaucomys sabrinus oregonensis (Bachman, 1839) -- valid -- Bachman flying squirrel
  Glaucomys sabrinus reductus Cowan, 1937 -- valid -- Atnarko flying squirrel
  Glaucomys sabrinus sabrinus (Shaw, 1801) -- valid -- northern flying squirrel, Hudson Bay flying squirrel
  Glaucomys sabrinus stephensi (Merriam, 1900) -- valid -- California coast flying squirrel
  Glaucomys sabrinus yukonensis (Osgood, 1900) -- valid -- Yukon flying squirrel
  Glaucomys sabrinus zaphaeus (Osgood, 1905) -- valid -- Alaska coast flying squirrel
  Glaucomys volans (Linnaeus, 1758) -- valid -- petit polatouche, Ardilla-voladora del sur, Southern Flying Squirrel
  Glaucomys volans chontali Goodwin, 1961 -- valid
  Glaucomys volans goldmani (Nelson, 1904) -- valid
  Glaucomys volans guerreroensis Diersing, 1980 -- valid
  Glaucomys volans herreranus Goldman, 1936 -- valid
  Glaucomys volans madrensis Goldman, 1936 -- valid
  Glaucomys volans oaxacensis Goodwin, 1961 -- valid
  Glaucomys volans querceti (Bangs, 1896) -- valid -- Florida flying squirrel
  Glaucomys volans saturatus A. H. Howell, 1915 -- valid -- southeastern flying squirrel
  Glaucomys volans texensis A. H. Howell, 1915 -- valid -- Texas flying squirrel
  Glaucomys volans underwoodi Goodwin, 1936 -- valid
  Glaucomys volans volans (Linnaeus, 1758) -- valid -- small eastern flying squirrel
  Glyphotes Thomas, 1898 -- valid
  Glyphotes simus Thomas, 1898 -- valid -- Sculptor Squirrel
  Heliosciurus Trouessart, 1880 -- valid -- Sun Squirrels
  Heliosciurus gambianus (Ogilby, 1835) -- valid -- Gambian Sun Squirrel
  Heliosciurus gambianus abassensis (Neumann, 1902) -- valid
  Heliosciurus gambianus bongensis (Heuglin, 1877) -- valid
  Heliosciurus gambianus canaster Thomas and Hinton, 1923 -- valid
  Heliosciurus gambianus dysoni (St. Leger, 1937) -- valid
  Heliosciurus gambianus elegans Thomas, 1909 -- valid
  Heliosciurus gambianus gambianus (Ogilby, 1835) -- valid
  Heliosciurus gambianus hoogstraali Setzer, 1954 -- valid
  Heliosciurus gambianus kaffensis (Neumann, 1902) -- valid
  Heliosciurus gambianus lateris (Thomas, 1909) -- valid
  Heliosciurus gambianus limbatus Schwarz, 1915 -- valid
  Heliosciurus gambianus loandicus Thomas, 1923 -- valid
  Heliosciurus gambianus madogae (Heller, 1911) -- valid
  Heliosciurus gambianus multicolor (Rüppell, 1835) -- valid
  Heliosciurus gambianus omensis (Thomas, 1904) -- valid
  Heliosciurus gambianus rhodesiae (Wroughton, 1907) -- valid
  Heliosciurus gambianus senescens Thomas, 1909 -- valid
  Heliosciurus mutabilis (Peters, 1852) -- valid -- Mutable Sun Squirrel
  Heliosciurus mutabilis beirae Roberts, 1913 -- valid
  Heliosciurus mutabilis chirindensis Roberts, 1913 -- valid
  Heliosciurus mutabilis mutabilis (Peters, 1852) -- valid
  Heliosciurus mutabilis shirensis (Gray, 1867) -- valid
  Heliosciurus mutabilis vumbae Roberts, 1937 -- valid
  Heliosciurus punctatus (Temminck, 1853) -- valid -- Small Sun Squirrel
  Heliosciurus punctatus punctatus (Temminck, 1853) -- valid
  Heliosciurus punctatus savannius Thomas, 1923 -- valid
  Heliosciurus rufobrachium (Waterhouse, 1842) -- valid -- Red-legged Sun Squirrel
  Heliosciurus rufobrachium arrhenii (Lönnberg, 1917) -- valid
  Heliosciurus rufobrachium aubryi (Milne-Edwards, 1867) -- valid
  Heliosciurus rufobrachium benga Cabrera, 1917 -- valid
  Heliosciurus rufobrachium brauni St. Leger, 1935 -- valid
  Heliosciurus rufobrachium caurinus Thomas, 1923 -- valid
  Heliosciurus rufobrachium coenosus (Thomas, 1909) -- valid
  Heliosciurus rufobrachium emissus Thomas, 1923 -- valid
  Heliosciurus rufobrachium hardyi Thomas, 1923 -- valid
  Heliosciurus rufobrachium isabellinus (Gray, 1867) -- valid
  Heliosciurus rufobrachium keniae (Neumann, 1902) -- valid
  Heliosciurus rufobrachium leakyi Toschi, 1946 -- valid
  Heliosciurus rufobrachium leonensis Thomas, 1923 -- valid
  Heliosciurus rufobrachium lualabae Thomas, 1923 -- valid
  Heliosciurus rufobrachium maculatus (Temminck, 1853) -- valid
  Heliosciurus rufobrachium medjianus J. A. Allen, 1922 -- valid
  Heliosciurus rufobrachium nyansae (Neumann, 1902) -- valid
  Heliosciurus rufobrachium obfuscatus Thomas, 1923 -- valid
  Heliosciurus rufobrachium occidentalis (Monard, 1941) -- valid
  Heliosciurus rufobrachium pasha (Schwann, 1904) -- valid
  Heliosciurus rufobrachium rubricatus J. A. Allen, 1922 -- valid
  Heliosciurus rufobrachium rufobrachium (Waterhouse, 1842) -- valid
  Heliosciurus rufobrachium semlikii Thomas, 1907 -- valid
  Heliosciurus ruwenzorii (Schwann, 1904) -- valid -- Ruwenzori Sun Squirrel
  Heliosciurus ruwenzorii ituriensis (Prigogone, 1954) -- valid
  Heliosciurus ruwenzorii ruwenzorii (Schwann, 1904) -- valid
  Heliosciurus ruwenzorii schoutedeni (Prigogine, 1954) -- valid
  Heliosciurus ruwenzorii vulcanius Thomas, 1909 -- valid
  Heliosciurus undulatus (True, 1892) -- valid -- Zanj Sun Squirrel
  Hylopetes Thomas, 1908 -- valid -- Arrow-tailed Flying Squirrels
  Hylopetes alboniger (Hodgson, 1836) -- valid -- Particolored Flying Squirrel
  Hylopetes alboniger alboniger (Hodgson, 1836) -- valid
  Hylopetes alboniger chianfengensis Wang and Lu, 1966 -- valid
  Hylopetes alboniger leonardi (Thomas, 1921) -- valid
  Hylopetes alboniger orinus (G. M. Allen, 1940) -- valid
  Hylopetes bartelsi (Chasen, 1939) -- valid -- Bartel's Flying Squirrel, Bartels's Flying Squirrel
  Hylopetes lepidus (Horsfield, 1824) -- invalid -- Gray-cheeked Flying Squirrel, Pink-cheeked flying squirrel
  Hylopetes nigripes (Thomas, 1893) -- valid -- Palawan Flying Squirrel
  Hylopetes nigripes elassodontus (Osgood, 1918) -- valid
  Hylopetes nigripes nigripes (Thomas, 1893) -- valid
  Hylopetes phayrei (Blyth, 1859) -- valid -- Indochinese Flying Squirrel, Phayre's Flying Squirrel
  Hylopetes phayrei electilis (G. M. Allen, 1925) -- valid
  Hylopetes phayrei phayrei (Blyth, 1859) -- valid
  Hylopetes platyurus (Jentink, 1890) -- valid -- Gray-cheeked flying squirrel, Jentink's Flying Squirrel
  Hylopetes sipora Chasen, 1940 -- valid -- Sipora Flying Squirrel
  Hylopetes spadiceus (Blyth, 1847) -- valid -- Red-cheeked Flying Squirrel
  Hylopetes spadiceus everetti (Thomas, 1895) -- valid
  Hylopetes spadiceus spadiceus (Blyth, 1847) -- valid
  Hylopetes spadiceus sumatrae Sody, 1949 -- valid
  Hylopetes winstoni (Sody, 1949) -- valid -- Sumatran Flying Squirrel
  Hyosciurus Archbold and Tate, 1935 -- valid -- Sulawesi Long-nosed Squirrels
  Hyosciurus heinrichi Archbold and Tate, 1935 -- valid -- Montane Long-nosed Squirrel
  Hyosciurus ileile Tate and Archbold, 1936 -- valid -- Lowland Long-nosed Squirrel
  Ictidomys J. A. Allen, 1877 -- valid -- lined ground squirrels
  Ictidomys mexicanus (Erxleben, 1777) -- valid -- Mexican Ground Squirrel, Ardillón mexicano
  Ictidomys parvidens (Mearns, 1896) -- valid -- Rio Grande Ground Squirrel
  Ictidomys tridecemlineatus (Mitchill, 1821) -- valid -- Thirteen-lined Ground Squirrel
  Ictidomys tridecemlineatus alleni (Merriam, 1898) -- valid -- Allen's 13-lined ground squirrel
  Ictidomys tridecemlineatus arenicola (A. H. Howell, 1928) -- valid
  Ictidomys tridecemlineatus blanca (Armstrong, 1971) -- valid
  Ictidomys tridecemlineatus hollisteri (V. Bailey, 1913) -- valid
  Ictidomys tridecemlineatus monticola (A. H. Howell, 1928) -- valid -- White Mountains ground squirrel
  Ictidomys tridecemlineatus olivaceus (J. A. Allen, 1895) -- valid
  Ictidomys tridecemlineatus pallidus (J. A. Allen, 1874) -- valid
  Ictidomys tridecemlineatus parvus (J. A. Allen, 1895) -- valid
  Ictidomys tridecemlineatus texensis (Merriam, 1898) -- valid
  Ictidomys tridecemlineatus tridecemlineatus (Mitchill, 1821) -- valid
  Iomys Thomas, 1908 -- valid -- Horsfield's Flying Squirrels
  Iomys horsfieldii (Waterhouse, 1838) -- valid -- Javanese Flying Squirrel
  Iomys horsfieldii davisoni (Thomas, 1886) -- valid
  Iomys horsfieldii horsfieldii (Waterhouse, 1838) -- valid
  Iomys horsfieldii penangensis Chasen, 1940 -- valid
  Iomys horsfieldii thomsoni (Thomas, 1900) -- valid
  Iomys sipora Chasen and Kloss, 1928 -- valid -- Mentawi Flying Squirrel, Mentawai Flying Squirrel
  Lariscus Thomas and Wroughton, 1909 -- valid -- Striped Ground Squirrels
  Lariscus hosei (Thomas, 1892) -- valid -- Four-striped Ground Squirrel
  Lariscus insignis (F. Cuvier, 1821) -- valid -- Three-striped Ground Squirrel
  Lariscus insignis diversus (Thomas, 1898) -- valid
  Lariscus insignis insignis (F. Cuvier, 1821) -- valid
  Lariscus insignis javanus (Thomas and Wroughton, 1909) -- valid
  Lariscus insignis peninsulae (Miller, 1903) -- valid
  Lariscus insignis rostratus (Miller, 1903) -- valid
  Lariscus niobe (Thomas, 1898) -- valid -- Niobe Ground Squirrel
  Lariscus niobe niobe (Thomas, 1898) -- valid
  Lariscus niobe vulcanus Kloss, 1921 -- valid
  Lariscus obscurus (Miller, 1903) -- valid -- Mentawai Three-striped Squirrel
  Lariscus obscurus auroreus Sody, 1949 -- valid
  Lariscus obscurus obscurus (Miller, 1903) -- valid
  Lariscus obscurus siberu Chasen and Kloss, 1928 -- valid
  Marmota Blumenbach, 1779 -- valid -- Marmots
  Marmota baibacina Kastschenko, 1899 -- valid -- Gray Marmot
  Marmota baibacina baibacina Kastschenko, 1899 -- valid
  Marmota baibacina centralis (Thomas, 1909) -- valid
  Marmota bobak (Müller, 1776) -- valid -- Bobak Marmot
  Marmota bobak bobak (Müller, 1776) -- valid
  Marmota bobak kozlovi (Fokanov, 1966) -- valid
  Marmota bobak tschaganensis Bazhanov, 1930 -- valid
  Marmota broweri Hall and Gilmore, 1934 -- valid -- Alaska Marmot
  Marmota caligata (Eschscholtz, 1829) -- valid -- Hoary Marmot
  Marmota caligata caligata (Eschscholtz, 1829) -- valid
  Marmota caligata cascadensis A. H. Howell, 1914 -- valid
  Marmota caligata okanagana (King, 1836) -- valid
  Marmota camtschatica (Pallas, 1811) -- valid -- Black-capped Marmot
  Marmota camtschatica bungei (Kastschenko, 1901) -- valid
  Marmota camtschatica camtschatica (Pallas, 1811) -- valid
  Marmota camtschatica doppelmayri Birula, 1922 -- valid
  Marmota caudata (Geoffroy, 1844) -- valid -- Long-tailed Marmot
  Marmota caudata aurea (Blanford, 1875) -- valid -- golden marmot
  Marmota caudata caudata (Geoffroy, 1844) -- valid
  Marmota caudata dichrous (Anderson, 1875) -- valid
  Marmota flaviventris (Audubon and Bachman, 1841) -- valid -- Yellow-bellied Marmot
  Marmota flaviventris avara (Bangs, 1899) -- valid
  Marmota flaviventris dacota (Merriam, 1889) -- valid
  Marmota flaviventris engelhardti J. A. Allen, 1905 -- valid
  Marmota flaviventris flaviventris (Audubon and Bachman, 1841) -- valid
  Marmota flaviventris fortirostris Grinnell, 1921 -- valid
  Marmota flaviventris luteola A. H. Howell, 1914 -- valid
  Marmota flaviventris nosophora A. H. Howell, 1914 -- valid
  Marmota flaviventris notioros Warren, 1934 -- valid -- Wet Mountains yellow-bellied marmot
  Marmota flaviventris obscura A. H. Howell, 1914 -- valid
  Marmota flaviventris parvula A. H. Howell, 1915 -- valid
  Marmota flaviventris sierrae A. H. Howell, 1915 -- valid
  Marmota himalayana (Hodgson, 1841) -- valid -- Himalayan Marmot
  Marmota himalayana himalayana (Hodgson, 1841) -- valid
  Marmota himalayana robusta (Milne-Edwards, 1872) -- valid
  Marmota kastschenkoi Stroganov and Yudin, 1956 -- valid -- Forest Steppe Marmot
  Marmota marmota (Linnaeus, 1758) -- valid -- Alpine Marmot
  Marmota marmota latirostris Kratochvil, 1961 -- valid
  Marmota marmota marmota (Linnaeus, 1758) -- valid
  Marmota menzbieri (Kashkarov, 1925) -- valid -- Menzbier's Marmot
  Marmota menzbieri menzbieri (Kashkarov, 1925) -- valid
  Marmota menzbieri zachidovi Petrov, 1963 -- valid
  Marmota monax (Linnaeus, 1758) -- valid -- marmotte commune, Woodchuck, Groundhog
  Marmota monax bunkeri Black, 1935 -- valid
  Marmota monax canadensis (Erxleben, 1777) -- valid
  Marmota monax ignava (Bangs, 1899) -- valid
  Marmota monax johnsoni Anderson, 1943 -- valid
  Marmota monax monax (Linnaeus, 1758) -- valid
  Marmota monax ochracea Swarth, 1911 -- valid
  Marmota monax petrensis A. H. Howell, 1915 -- valid
  Marmota monax preblorum A. H. Howell, 1914 -- valid
  Marmota monax pretensis A. H. Howell, 1915 -- invalid
  Marmota monax rufescens A. H. Howell, 1914 -- valid
  Marmota olympus (Merriam, 1898) -- valid -- Olympic Marmot
  Marmota sibirica (Radde, 1862) -- valid -- Tarbagan Marmot
  Marmota sibirica caliginosus Bannikov and Skalon, 1949 -- valid
  Marmota sibirica sibirica (Radde, 1862) -- valid
  Marmota vancouverensis Swarth, 1911 -- valid -- Vancouver Marmot, Vancouver Island Marmot
  Marmotini Pocock, 1923 -- valid -- Holarctic ground squirrels
  Menetes Thomas, 1908 -- valid
  Menetes berdmorei (Blyth, 1849) -- valid -- Indochinese Ground Squirrel
  Menetes berdmorei berdmorei (Blyth, 1849) -- valid
  Menetes berdmorei consularis Thomas, 1914 -- valid
  Menetes berdmorei decoratus Thomas, 1914 -- valid
  Menetes berdmorei moerescens Thomas, 1914 -- valid
  Menetes berdmorei mouhotei (Gray, 1861) -- valid
  Menetes berdmorei peninsularis Kloss, 1919 -- valid
  Menetes berdmorei pyrrocephalus (Milne-Edwards, 1867) -- valid
  Microsciurus J. A. Allen, 1895 -- valid -- Dwarf Squirrels
  Microsciurus alfari (J. A. Allen, 1895) -- valid -- Central American Dwarf Squirrel
  Microsciurus alfari alfari (J. A. Allen, 1895) -- valid
  Microsciurus alfari alticola Goodwin, 1943 -- valid
  Microsciurus alfari browni (Bangs, 1902) -- valid
  Microsciurus alfari fusculus (Thomas, 1910) -- valid
  Microsciurus alfari septentrionalis Anthony, 1920 -- valid
  Microsciurus alfari venustulus Goldman, 1912 -- valid
  Microsciurus flaviventer (Gray, 1867) -- valid -- Amazon Dwarf Squirrel
  Microsciurus flaviventer flaviventer (Gray, 1867) -- valid
  Microsciurus flaviventer napi (Thomas, 1900) -- valid
  Microsciurus flaviventer otinus (Thomas, 1901) -- valid
  Microsciurus flaviventer peruanus (J. A. Allen, 1897) -- valid
  Microsciurus flaviventer rubrirostris J. A. Allen, 1914 -- valid
  Microsciurus flaviventer sabanillae Anthony, 1922 -- valid
  Microsciurus flaviventer similis (Nelson, 1899) -- valid
  Microsciurus flaviventer simonsi (Thomas, 1900) -- valid
  Microsciurus mimulus (Thomas, 1898) -- valid -- Western Dwarf Squirrel
  Microsciurus mimulus boquetensis (Nelson, 1903) -- valid
  Microsciurus mimulus isthmius (Nelson, 1899) -- valid
  Microsciurus mimulus mimulus (Thomas, 1898) -- valid
  Microsciurus santanderensis (Hernández-Camacho, 1957) -- valid -- Santander Dwarf Squirrel
  Myosciurus Thomas, 1909 -- valid
  Myosciurus pumilio (Le Conte, 1857) -- valid -- African Pygmy Squirrel
  Nannosciurus Trouessart, 1880 -- valid
  Nannosciurus melanotis (Müller, 1840) -- valid -- Black-eared Squirrel
  Nannosciurus melanotis bancanus Lyon, 1906 -- valid
  Nannosciurus melanotis borneanus Lyon, 1906 -- valid
  Nannosciurus melanotis melanotis (Müller, 1840) -- valid
  Nannosciurus melanotis pulcher Miller, 1902 -- valid
  Notocitellus A. H. Howell, 1938 -- valid -- tropical ground squirrels
  Notocitellus adocetus (Merriam, 1903) -- valid -- Tropical Ground Squirrel
  Notocitellus adocetus adocetus (Merriam, 1903) -- valid
  Notocitellus adocetus arceliae (Villa-R., 1942) -- valid
  Notocitellus adocetus infernatus (Alvarez and Ramírez-P., 1968) -- valid
  Notocitellus annulatus (Audubon and Bachman, 1842) -- valid -- Ring-tailed Ground Squirrel
  Notocitellus annulatus annulatus (Audubon and Bachman, 1842) -- valid
  Notocitellus annulatus goldmani (Merriam, 1902) -- valid
  Otospermophilus Brandt, 1844 -- valid -- rock squirrels
  Otospermophilus atricapillus (Bryant, 1889) -- valid -- Baja California Rock Squirrel
  Otospermophilus beecheyi (Richardson, 1829) -- valid -- California Ground Squirrel
  Otospermophilus beecheyi beecheyi (Richardson, 1829) -- valid
  Otospermophilus beecheyi douglasii (Richardson, 1829) -- valid
  Otospermophilus beecheyi fisheri (Merriam, 1893) -- valid
  Otospermophilus beecheyi nesioticus (Elliot, 1904) -- valid
  Otospermophilus beecheyi nudipes (Huey, 1931) -- valid
  Otospermophilus beecheyi parvulus (A. H. Howell, 1931) -- valid
  Otospermophilus beecheyi rupinarum (Huey, 1931) -- valid
  Otospermophilus beecheyi sierrae (A. H. Howell, 1938) -- valid
  Otospermophilus variegatus (Erxleben, 1777) -- valid -- Rock Squirrel
  Otospermophilus variegatus buckleyi (Slack, 1861) -- valid
  Otospermophilus variegatus couchii (Baird, 1855) -- valid
  Otospermophilus variegatus grammurus (Say, 1823) -- valid
  Otospermophilus variegatus robustus (Durrant and Hansen, 1954) -- valid
  Otospermophilus variegatus rupestris (J. A. Allen, 1903) -- valid
  Otospermophilus variegatus tularosae (Benson, 1932) -- valid
  Otospermophilus variegatus utah (Merriam, 1903) -- valid
  Otospermophilus variegatus variegatus (Erxleben, 1777) -- valid
  Paraxerus Forsyth Major, 1893 -- valid -- Bush Squirrels
  Paraxerus alexandri (Thomas and Wroughton, 1907) -- valid -- Alexander's Bush Squirrel
  Paraxerus boehmi (Reichenow, 1886) -- valid -- Boehm's Bush Squirrel
  Paraxerus boehmi antoniae Thomas and Wroughton, 1907 -- valid
  Paraxerus boehmi boehmi (Reichenow, 1886) -- valid
  Paraxerus boehmi emini (Stuhlman, 1894) -- valid
  Paraxerus boehmi gazellae (Thomas, 1918) -- valid
  Paraxerus cepapi (A. Smith, 1836) -- valid -- Smith's Bush Squirrel
  Paraxerus cepapi bororensis Roberts, 1946 -- valid
  Paraxerus cepapi carpi Lundholm, 1955 -- valid
  Paraxerus cepapi cepapi (A. Smith, 1836) -- valid
  Paraxerus cepapi cepapoides Roberts, 1946 -- valid
  Paraxerus cepapi chobiensis Roberts, 1932 -- valid
  Paraxerus cepapi phalaena Thomas, 1926 -- valid
  Paraxerus cepapi quotus Wroughton, 1909 -- valid
  Paraxerus cepapi sindi Thomas and Wroughton, 1908 -- valid
  Paraxerus cepapi soccatus Wroughton, 1909 -- valid
  Paraxerus cepapi yulei (Thomas, 1902) -- valid
  Paraxerus cooperi Hayman, 1950 -- valid -- Cooper's Mountain Squirrel
  Paraxerus flavovittis (Peters, 1852) -- valid -- Striped Bush Squirrel
  Paraxerus flavovittis exgeanus (Hinton, 1920) -- valid
  Paraxerus flavovittis flavovittis (Peters, 1852) -- valid
  Paraxerus flavovittis ibeanus (Hinton, 1920) -- valid
  Paraxerus flavovittis mossambicus (Thomas, 1919) -- valid
  Paraxerus lucifer (Thomas, 1897) -- valid -- Black and Red Bush Squirrel, Black-and-Red Bush Squirrel
  Paraxerus ochraceus (Huet, 1880) -- valid -- Ochre Bush Squirrel
  Paraxerus ochraceus affinis (Trouessart, 1897) -- valid
  Paraxerus ochraceus animosus Dollman, 1911 -- valid
  Paraxerus ochraceus aruscensis (Pagenstecher, 1885) -- valid
  Paraxerus ochraceus electus Thomas, 1909 -- valid
  Paraxerus ochraceus ganana (Rhoads, 1896) -- valid
  Paraxerus ochraceus jacksoni (de Winton, 1897) -- valid
  Paraxerus ochraceus kahari Heller, 1911 -- valid
  Paraxerus ochraceus ochraceus (Huet, 1880) -- valid
  Paraxerus palliatus (Peters, 1852) -- valid -- Red Bush Squirrel
  Paraxerus palliatus bridgemani Dollman, 1914 -- valid
  Paraxerus palliatus frerei (Gray, 1873) -- valid
  Paraxerus palliatus ornatus (Gray, 1864) -- valid
  Paraxerus palliatus palliatus (Peters, 1852) -- valid
  Paraxerus palliatus sponsus Thomas and Wroughton, 1907 -- valid
  Paraxerus palliatus swynnertoni Wroughton, 1908 -- valid
  Paraxerus palliatus tanae (Neumann, 1902) -- valid
  Paraxerus poensis (A. Smith, 1830) -- valid -- Green Bush Squirrel
  Paraxerus vexillarius (Kershaw, 1923) -- valid -- Svynnerton's Bush Squirrel, Swynnerton's Bush Squirrel
  Paraxerus vexillarius byatti (Kershaw, 1923) -- valid
  Paraxerus vexillarius vexillarius (Kershaw, 1923) -- valid
  Paraxerus vincenti Hayman, 1950 -- valid -- Vincent's Bush Squirrel
  Petaurillus Thomas, 1908 -- valid -- Pygmy Flying Squirrels
  Petaurillus emiliae Thomas, 1908 -- valid -- Lesser Pygmy Flying Squirrel
  Petaurillus hosei (Thomas, 1900) -- valid -- Hose's Pygmy Flying Squirrel
  Petaurillus kinlochii (Robinson and Kloss, 1911) -- valid -- Selangor Pygmy Flying Squirrel
  Petaurista Link, 1795 -- valid -- Giant Flying Squirrels
  Petaurista alborufus (Milne-Edwards, 1870) -- valid -- Red and White Giant Flying Squirrel, Red-and-White Giant Flying Squirrel
  Petaurista alborufus alborufus (Milne-Edwards, 1870) -- valid
  Petaurista alborufus castaneus Thomas, 1923 -- valid
  Petaurista alborufus lena Thomas, 1907 -- valid
  Petaurista alborufus leucocephalus (Hilzheimer, 1905) -- valid
  Petaurista alborufus ochraspis Thomas, 1923 -- valid
  Petaurista caniceps (Gray, 1842) -- valid -- Gray-headed Flying Squirrel
  Petaurista elegans (Müller, 1840) -- valid -- Spotted Giant Flying Squirrel
  Petaurista elegans banksi Chasen, 1933 -- valid
  Petaurista elegans caniceps (Gray, 1842) -- invalid
  Petaurista elegans elegans (Müller, 1840) -- valid
  Petaurista elegans marica Thomas, 1912 -- valid
  Petaurista elegans punctatus (Gray, 1846) -- valid
  Petaurista elegans slamatensis Sody, 1949 -- valid
  Petaurista elegans sumatrana Kloss, 1921 -- valid
  Petaurista elegans sybilla Thomas and Wroughton, 1916 -- valid
  Petaurista leucogenys (Temminck, 1827) -- valid -- Japanese Giant Flying Squirrel
  Petaurista leucogenys hintoni Mori, 1923 -- valid
  Petaurista leucogenys leucogenys (Temminck, 1827) -- valid
  Petaurista leucogenys nikkonis Thomas, 1905 -- valid
  Petaurista leucogenys oreas Thomas, 1905 -- valid
  Petaurista magnificus (Hodgson, 1836) -- valid -- Hodgson's Giant Flying Squirrel
  Petaurista nobilis (Gray, 1842) -- valid -- Bhutan Giant Flying Squirrel
  Petaurista nobilis nobilis (Gray, 1842) -- valid
  Petaurista nobilis singhei Saha, 1977 -- valid
  Petaurista petaurista (Pallas, 1766) -- valid -- Red Giant Flying Squirrel
  Petaurista petaurista albiventer (Gray, 1834) -- valid
  Petaurista petaurista batuana Miller, 1903 -- valid
  Petaurista petaurista candidula Wroughton, 1911 -- valid
  Petaurista petaurista cicur Robinson and Kloss, 1914 -- valid
  Petaurista petaurista interceptio Sody, 1949 -- valid
  Petaurista petaurista lumholtzi Gyldenstolpe, 1920 -- valid
  Petaurista petaurista marchio Thomas, 1908 -- valid
  Petaurista petaurista melanotus (Gray, 1837) -- valid
  Petaurista petaurista nigrescens Medway, 1965 -- valid
  Petaurista petaurista nigricaudatus Robinson and Kloss, 1918 -- valid
  Petaurista petaurista nitidula Thomas, 1900 -- valid
  Petaurista petaurista penangensis Robinson and Kloss, 1918 -- valid
  Petaurista petaurista petaurista (Pallas, 1766) -- valid
  Petaurista petaurista rajah Thomas, 1908 -- valid
  Petaurista petaurista rufipes Sody, 1949 -- valid
  Petaurista petaurista stellaris Chasen, 1940 -- valid
  Petaurista petaurista taylori Thomas, 1914 -- valid
  Petaurista petaurista terutaus Lyon, 1907 -- valid
  Petaurista philippensis (Elliot, 1839) -- valid -- Indian Giant Flying Squirrel
  Petaurista philippensis annamensis Thomas, 1914 -- valid
  Petaurista philippensis cineraceus (Blyth, 1847) -- valid
  Petaurista philippensis grandis (Swinhoe, 1863) -- valid
  Petaurista philippensis hainana G. M. Allen, 1925 -- valid
  Petaurista philippensis lylei Bonhote, 1900 -- valid
  Petaurista philippensis mergulus Thomas, 1922 -- valid
  Petaurista philippensis nigra Wang, 1981 -- valid
  Petaurista philippensis philippensis (Elliot, 1839) -- valid
  Petaurista philippensis rubricundus A. B. Howell, 1927 -- valid
  Petaurista philippensis yunanensis (Anderson, 1875) -- valid
  Petaurista xanthotis (Milne-Edwards, 1872) -- valid -- Chinese Giant Flying Squirrel
  Petaurista xanthotis beuchneri (Matschie, 1907) -- valid
  Petaurista xanthotis filchnerinae (Matschie, 1907) -- valid
  Petaurista xanthotis xanthotis (Milne-Edwards, 1872) -- valid
  Petinomys Thomas, 1908 -- valid -- Dwarf Flying Squirrels
  Petinomys crinitus (Hollister, 1911) -- valid -- Mindanao Flying Squirrel, Basilan Flying Squirrel
  Petinomys fuscocapillus (Jerdon, 1847) -- valid -- Travancore Flying Squirrel
  Petinomys genibarbis (Horsfield, 1822) -- valid -- Whiskered Flying Squirrel
  Petinomys hageni (Jentink, 1888) -- valid -- Hagen's Flying Squirrel
  Petinomys lugens (Thomas, 1895) -- valid -- Siberut Flying Squirrel, Sipora Flying Squirrel
  Petinomys mindanensis (Rabor, 1939) -- valid -- Mindanao Flying Squirrel
  Petinomys setosus (Temminck, 1844) -- valid -- Temminck's Flying Squirrel
  Petinomys vordermanni (Jentink, 1890) -- valid -- Vordermann's Flying Squirrel
  Poliocitellus A. H. Howell, 1938 -- valid -- Franklin's ground squirrel
  Poliocitellus franklinii (Sabine, 1822) -- valid -- Franklin's Ground Squirrel
  Prosciurillus Ellerman, 1947 -- valid -- Sulawesi Dwarf Squirrels
  Prosciurillus abstrusus Moore, 1958 -- valid -- Secretive Dwarf Squirrel
  Prosciurillus alstoni (Anderson, 1879) -- valid -- Alston's Squirrel
  Prosciurillus leucomus (Müller and Schlegel, 1844) -- valid -- Whitish Dwarf Squirrel
  Prosciurillus leucomus leucomus (Müller and Schlegel, 1844) -- valid
  Prosciurillus leucomus occidentalis (Meyer, 1898) -- valid
  Prosciurillus murinus (Müller and Schlegel, 1844) -- valid -- Celebes Dwarf Squirrel
  Prosciurillus rosenbergii (Jentink, 1879) -- valid -- Sanghir Squirrel
  Prosciurillus topapuensis (Roux, 1910) -- valid -- Mount Topapu Squirrel
  Prosciurillus weberi (Jentink, 1890) -- valid -- Weber's Dwarf Squirrel
  Protoxerini Moore, 1959 -- valid -- African tree squirrels
  Protoxerus Forsyth Major, 1893 -- valid -- African Giant Squirrels
  Protoxerus aubinnii (Gray, 1873) -- valid -- Slender-tailed Squirrel
  Protoxerus aubinnii aubinnii (Gray, 1873) -- valid
  Protoxerus aubinnii salae (Jentink, 1881) -- valid
  Protoxerus stangeri (Waterhouse, 1842) -- valid -- Forest Giant Squirrel
  Protoxerus stangeri bea Heller, 1912 -- valid
  Protoxerus stangeri centricola (Thomas, 1906) -- valid
  Protoxerus stangeri cooperi Kingdon, 1971 -- valid
  Protoxerus stangeri eborivorus (Du Chaillu, 1860) -- valid
  Protoxerus stangeri kabobo Verheyen, 1960 -- valid
  Protoxerus stangeri kwango Verheyen, 1960 -- valid
  Protoxerus stangeri loandae (Thomas, 1906) -- valid
  Protoxerus stangeri nigeriae (Thomas, 1906) -- valid
  Protoxerus stangeri personatus Kershaw, 1923 -- valid
  Protoxerus stangeri signatus Thomas, 1910 -- valid
  Protoxerus stangeri stangeri (Waterhouse, 1842) -- valid
  Protoxerus stangeri temminckii (Anderson, 1879) -- valid
  Pteromyini Brandt, 1855 -- valid -- flying squirrels
  Pteromys G. Cuvier, 1800 -- valid -- Eurasian Flying Squirrels
  Pteromys momonga Temminck, 1844 -- valid -- Japanese Flying Squirrel
  Pteromys volans (Linnaeus, 1758) -- valid -- Siberian Flying Squirrel
  Pteromys volans athene (Thomas, 1907) -- valid
  Pteromys volans buechneri Satunin, 1903 -- valid
  Pteromys volans orii (Kuroda, 1921) -- valid
  Pteromys volans volans (Linnaeus, 1758) -- valid
  Pteromyscus Thomas, 1908 -- valid
  Pteromyscus pulverulentus (Günther, 1873) -- valid -- Smoky Flying Squirrel
  Pteromyscus pulverulentus borneanus Thomas, 1908 -- valid
  Pteromyscus pulverulentus pulverulentus (Günther, 1873) -- valid
  Ratufa Gray, 1867 -- valid -- Oriental Giant Squirrels
  Ratufa affinis (Raffles, 1821) -- valid -- Pale Giant Squirrel
  Ratufa affinis affinis (Raffles, 1821) -- valid
  Ratufa affinis bancana Lyon, 1906 -- valid
  Ratufa affinis baramensis Bonhote, 1900 -- valid
  Ratufa affinis bunguranensis (Thomas and Hartert, 1894) -- valid
  Ratufa affinis cothurnata Lyon, 1911 -- valid
  Ratufa affinis ephippium (Müller, 1838) -- valid
  Ratufa affinis hypoleucos (Horsfield, 1823) -- valid
  Ratufa affinis insignis Miller, 1903 -- valid
  Ratufa affinis polia Lyon, 1906 -- valid
  Ratufa bicolor (Sparrman, 1778) -- valid -- Black Giant Squirrel
  Ratufa bicolor angusticeps Miller, 1901 -- valid
  Ratufa bicolor bicolor (Sparrman, 1778) -- valid
  Ratufa bicolor condorensis Kloss, 1920 -- valid
  Ratufa bicolor felli Thomas and Wroughton, 1916 -- valid
  Ratufa bicolor gigantea (McClelland, 1839) -- valid
  Ratufa bicolor hainana J. A. Allen, 1906 -- valid
  Ratufa bicolor leucogenys Kloss, 1916 -- valid
  Ratufa bicolor melanopepla Miller, 1900 -- valid
  Ratufa bicolor palliata Miller, 1902 -- valid
  Ratufa bicolor phaeopepla Miller, 1913 -- valid
  Ratufa bicolor smithi Robinson and Kloss, 1922 -- valid
  Ratufa indica (Erxleben, 1777) -- valid -- Indian Giant Squirrel
  Ratufa indica centralis Ryley, 1913 -- valid
  Ratufa indica dealbata (Blanford, 1897) -- valid
  Ratufa indica indica (Erxleben, 1777) -- valid
  Ratufa indica maxima (Schreber, 1784) -- valid
  Ratufa macroura (Pennant, 1769) -- valid -- Sri Lankan Giant Squirrel
  Ratufa macroura dandolena Thomas and Wroughton, 1915 -- valid
  Ratufa macroura macroura (Pennant, 1769) -- valid
  Ratufa macroura melanochra Thomas and Wroughton, 1915 -- valid
  Ratufinae Moore, 1959 -- valid -- giant tree squirrels
  Rheithrosciurus Gray, 1867 -- valid
  Rheithrosciurus macrotis (Gray, 1857) -- valid -- Tufted Ground Squirrel
  Rhinosciurus Blyth, 1856 -- valid
  Rhinosciurus laticaudatus (Müller, 1840) -- valid -- Shrew-faced Squirrel
  Rhinosciurus laticaudatus laticaudatus (Müller, 1840) -- valid
  Rhinosciurus laticaudatus saturatus Robinson and Kloss, 1919 -- valid
  Rubrisciurus Ellerman, 1954 -- valid
  Rubrisciurus rubriventer (Müller and Schlegel, 1844) -- valid -- Sulawesi Giant Squirrel
  Sciuridae Fischer de Waldheim, 1817 -- valid -- squirrels, marmots, chipmunks
  Sciurillinae Moore, 1959 -- valid -- South American pygmy squirrels
  Sciurillus Thomas, 1914 -- valid
  Sciurillus pusillus (É. Geoffroy Saint-Hilaire, 1803) -- valid -- Neotropical Pygmy Squirrel
  Sciurillus pusillus glaucinus Thomas, 1914 -- valid
  Sciurillus pusillus kuhlii (Gray, 1867) -- valid
  Sciurillus pusillus pusillus (É. Geoffroy Saint-Hilaire, 1803) -- valid
  Sciurinae Fischer de Waldheim, 1817 -- valid
  Sciurini Fischer de Waldheim, 1817 -- valid -- Holarctic tree squirrels
  Sciurotamias Miller, 1901 -- valid -- Asian Rock Squirrels
  Sciurotamias davidianus (Milne-Edwards, 1867) -- valid -- Père David's Rock Squirrel
  Sciurotamias davidianus consobrinus (Milne-Edwards, 1874) -- valid
  Sciurotamias davidianus davidianus (Milne-Edwards, 1867) -- valid
  Sciurotamias davidianus saltitans (Heude, 1898) -- valid
  Sciurotamias forresti (Thomas, 1922) -- valid -- Forrest's Rock Squirrel
  Sciurus Linnaeus, 1758 -- valid -- tree squirrels
  Sciurus aberti Woodhouse, 1853 -- valid -- Ardilla de Albert, Abert's Squirrel
  Sciurus aberti aberti Woodhouse, 1853 -- valid
  Sciurus aberti barberi J. A. Allen, 1904 -- valid
  Sciurus aberti chuscensis Goldman, 1931 -- valid
  Sciurus aberti durangi Thomas, 1893 -- valid
  Sciurus aberti ferreus True, 1900 -- valid
  Sciurus aberti kaibabensis Merriam, 1904 -- valid
  Sciurus aestuans Linnaeus, 1766 -- valid -- Guianan Squirrel
  Sciurus aestuans aestuans Linnaeus, 1766 -- valid
  Sciurus aestuans alphonsei Thomas, 1903 -- valid
  Sciurus aestuans garbei (Pinto, 1931) -- valid
  Sciurus aestuans georgihernandezi Barriga-Bonilla, 1966 -- valid
  Sciurus aestuans henseli Miranda Ribeiro, 1941 -- valid
  Sciurus aestuans ingrami Thomas, 1901 -- valid
  Sciurus aestuans macconnelli Thomas, 1901 -- valid
  Sciurus aestuans poaiae (Moojen, 1942) -- valid
  Sciurus aestuans quelchii Thomas, 1901 -- valid
  Sciurus aestuans sebastiani Müller and Vesmanis, 1971 -- valid
  Sciurus aestuans venustus (J. A. Allen, 1940) -- valid
  Sciurus alleni Nelson, 1898 -- valid -- Allen's Squirrel
  Sciurus anomalus Gmelin, 1778 -- valid -- Caucasian Squirrel
  Sciurus anomalus anomalus Gmelin, 1778 -- valid
  Sciurus anomalus pallescens (Gray, 1867) -- valid
  Sciurus anomalus syriacus Ehrenberg, 1828 -- valid
  Sciurus arizonensis Coues, 1867 -- valid -- Ardilla de Arizona, Arizona Gray Squirrel
  Sciurus aureogaster F. Cuvier, 1829 -- valid -- Ardilla vientre rojo, Mexican gray squirrel, Red-bellied Squirrel
  Sciurus aureogaster aureogaster F. Cuvier, 1829 -- valid
  Sciurus aureogaster nigrescens Bennett, 1833 -- valid
  Sciurus carolinensis Gmelin, 1788 -- valid -- gray squirrel, écureuil gris, Eastern Gray Squirrel
  Sciurus carolinensis carolinensis Gmelin, 1788 -- valid
  Sciurus carolinensis extimus Bangs, 1896 -- valid
  Sciurus carolinensis fuliginosus Bachman, 1839 -- valid
  Sciurus carolinensis hypophaeus Merriam, 1886 -- valid
  Sciurus carolinensis pennsylvanicus Ord, 1815 -- valid
  Sciurus colliaei Richardson, 1839 -- valid -- Collie's Squirrel
  Sciurus colliaei colliaei Richardson, 1839 -- valid
  Sciurus colliaei nuchalis Nelson, 1899 -- valid
  Sciurus colliaei sinaloensis Nelson, 1899 -- valid
  Sciurus colliaei truei Nelson, 1899 -- valid
  Sciurus deppei Peters, 1863 -- valid -- Deppe's Squirrel
  Sciurus deppei deppei Peters, 1863 -- valid
  Sciurus deppei matagalpae J. A. Allen, 1908 -- valid
  Sciurus deppei miravallensis Harris, 1931 -- valid
  Sciurus deppei negligens Nelson, 1898 -- valid
  Sciurus deppei vivax Nelson, 1901 -- valid
  Sciurus flammifer Thomas, 1904 -- valid -- Fiery Squirrel
  Sciurus gilvigularis Wagner, 1842 -- valid -- Yellow-throated Squirrel
  Sciurus gilvigularis gilvigularis Wagner, 1842 -- valid
  Sciurus gilvigularis paraensis Goeldi and Hagmann, 1904 -- valid
  Sciurus granatensis Humboldt, 1811 -- valid -- Red-tailed Squirrel
  Sciurus granatensis agricolae Hershkovitz, 1947 -- valid
  Sciurus granatensis bondae J. A. Allen, 1899 -- valid
  Sciurus granatensis candelensis (J. A. Allen, 1914) -- valid
  Sciurus granatensis carchensis Harris and Hershkovitz, 1938 -- valid
  Sciurus granatensis chapmani J. A. Allen, 1899 -- valid
  Sciurus granatensis chiriquensis Bangs, 1902 -- valid
  Sciurus granatensis chrysuros Pucheran, 1845 -- valid
  Sciurus granatensis ferminae (Cabrera, 1917) -- valid
  Sciurus granatensis gerrardi Gray, 1861 -- valid
  Sciurus granatensis granatensis Humboldt, 1811 -- valid
  Sciurus granatensis griseimembra (J. A. Allen, 1914) -- valid
  Sciurus granatensis griseogena (Gray, 1867) -- valid
  Sciurus granatensis hoffmanni Peters, 1863 -- valid
  Sciurus granatensis imbaburae Harris and Hershkovitz, 1938 -- valid
  Sciurus granatensis llanensis Mondolfi and Boher, 1984 -- valid
  Sciurus granatensis manavi (J. A. Allen, 1914) -- valid
  Sciurus granatensis maracaibensis Hershkovitz, 1947 -- valid
  Sciurus granatensis meridensis Thomas, 1901 -- valid
  Sciurus granatensis morulus Bangs, 1900 -- valid
  Sciurus granatensis nesaeus G. M. Allen, 1902 -- valid
  Sciurus granatensis norosiensis Hershkovitz, 1947 -- valid
  Sciurus granatensis perijae Hershkovitz, 1947 -- valid
  Sciurus granatensis quindianus (J. A. Allen, 1914) -- valid
  Sciurus granatensis saltuensis Bangs, 1898 -- valid
  Sciurus granatensis soederstroemi Stone, 1914 -- valid
  Sciurus granatensis splendidus Gray, 1842 -- valid
  Sciurus granatensis sumaco (Cabrera, 1917) -- valid
  Sciurus granatensis tarrae Hershkovitz, 1947 -- valid
  Sciurus granatensis valdiviae (J. A. Allen, 1915) -- valid
  Sciurus granatensis variabilis I. Geoffroy Saint-Hilaire, 1832 -- valid
  Sciurus granatensis versicolor Thomas, 1900 -- valid
  Sciurus granatensis zuliae Osgood, 1910 -- valid
  Sciurus griseus Ord, 1818 -- valid -- Ardilla gris, Western Gray Squirrel
  Sciurus griseus anthonyi Mearns, 1897 -- valid
  Sciurus griseus griseus Ord, 1818 -- valid
  Sciurus griseus nigripes Bryant, 1889 -- valid
  Sciurus ignitus (Gray, 1867) -- valid -- Bolivian Squirrel
  Sciurus ignitus argentinius Thomas, 1921 -- valid
  Sciurus ignitus boliviensis Osgood, 1921 -- valid
  Sciurus ignitus cabrerai Moojen, 1958 -- valid
  Sciurus ignitus ignitus (Gray, 1867) -- valid
  Sciurus ignitus irroratus (Gray, 1867) -- valid
  Sciurus igniventris Wagner, 1842 -- valid -- Northern Amazon Red Squirrel
  Sciurus igniventris cocalis Thomas, 1900 -- valid
  Sciurus igniventris igniventris Wagner, 1842 -- valid
  Sciurus lis Temminck, 1844 -- valid -- Japanese Squirrel
  Sciurus nayaritensis J. A. Allen, 1890 -- valid -- Nayarit squirrel, Ardilla de Nayarit, Mexican Fox Squirrel
  Sciurus nayaritensis apache J. A. Allen, 1893 -- valid
  Sciurus nayaritensis chiricahuae Goldman, 1933 -- valid -- Chiricahua Nayarit squirrel
  Sciurus nayaritensis nayaritensis J. A. Allen, 1890 -- valid
  Sciurus niger Linnaeus, 1758 -- valid -- fox squirrel, Ardilla zorra, Eastern Fox Squirrel
  Sciurus niger avicennia A. H. Howell, 1919 -- valid -- Big Cypress fox squirrel
  Sciurus niger bachmani Lowery and Davis, 1942 -- valid
  Sciurus niger cinereus Linnaeus, 1758 -- valid -- Delmarva Peninsula fox squirrel, eastern fox squirrel
  Sciurus niger limitis Baird, 1855 -- valid
  Sciurus niger ludovicianus Custis, 1806 -- valid
  Sciurus niger niger Linnaeus, 1758 -- valid -- fox squirrel
  Sciurus niger rufiventer É. Geoffroy Saint-Hilaire, 1803 -- valid
  Sciurus niger shermani Moore, 1956 -- valid -- Sherman's fox squirrel
  Sciurus niger subauratus Bachman, 1839 -- valid
  Sciurus niger vulpinus Gmelin, 1788 -- valid
  Sciurus oculatus Peters, 1863 -- valid -- Peters's Squirrel
  Sciurus oculatus oculatus Peters, 1863 -- valid
  Sciurus oculatus shawi Dalquest, 1950 -- valid
  Sciurus oculatus tolucae Nelson, 1898 -- valid
  Sciurus pucheranii (Fitzinger, 1867) -- valid -- Andean Squirrel
  Sciurus pucheranii caucensis Nelson, 1899 -- valid
  Sciurus pucheranii medellinensis (Gray, 1867) -- valid
  Sciurus pucheranii pucheranii (Fitzinger, 1867) -- valid
  Sciurus pyrrhinus Thomas, 1898 -- valid -- Junín Red Squirrel, Junin Red Squirrel
  Sciurus richmondi Nelson, 1898 -- valid -- Richmond's Squirrel
  Sciurus sanborni Osgood, 1944 -- valid -- Sanborn's Squirrel
  Sciurus spadiceus Olfers, 1818 -- valid -- Southern Amazon Red Squirrel
  Sciurus spadiceus spadiceus Olfers, 1818 -- valid
  Sciurus spadiceus steinbachi J. A. Allen, 1914 -- valid
  Sciurus spadiceus tricolor Tschudi, 1844 -- valid
  Sciurus stramineus Eydoux and Souleyet, 1841 -- valid -- Guayaquil Squirrel
  Sciurus variegatoides Ogilby, 1839 -- valid -- Variegated Squirrel
  Sciurus variegatoides adolphei Lesson, 1842 -- valid
  Sciurus variegatoides atrirufus Harris, 1930 -- valid
  Sciurus variegatoides bangsi Dickey, 1928 -- valid
  Sciurus variegatoides belti Nelson, 1899 -- valid
  Sciurus variegatoides boothiae Gray, 1843 -- valid
  Sciurus variegatoides dorsalis Gray, 1849 -- valid
  Sciurus variegatoides goldmani Nelson, 1898 -- valid
  Sciurus variegatoides helveolus Goldman, 1912 -- valid
  Sciurus variegatoides loweryi McPherson, 1972 -- valid
  Sciurus variegatoides managuensis Nelson, 1898 -- valid
  Sciurus variegatoides melania (Gray, 1867) -- valid
  Sciurus variegatoides rigidus Peters, 1863 -- valid
  Sciurus variegatoides thomasi Nelson, 1899 -- valid
  Sciurus variegatoides underwoodi Goldman, 1932 -- valid
  Sciurus variegatoides variegatoides Ogilby, 1839 -- valid
  Sciurus vulgaris Linnaeus, 1758 -- valid -- Eurasian Red Squirrel
  Sciurus vulgaris alpinus Desmarest, 1822 -- valid
  Sciurus vulgaris altaicus Serebrennikov, 1928 -- valid
  Sciurus vulgaris anadyrensis Ognev, 1929 -- valid
  Sciurus vulgaris arcticus Trouessart, 1906 -- valid
  Sciurus vulgaris balcanicus Heinrich, 1936 -- valid
  Sciurus vulgaris chiliensis Sowerby, 1921 -- valid
  Sciurus vulgaris cinerea Hermann, 1804 -- valid
  Sciurus vulgaris dulkeiti Ognev, 1929 -- valid
  Sciurus vulgaris exalbidus Pallas, 1778 -- valid
  Sciurus vulgaris fedjushini Ognev, 1935 -- valid
  Sciurus vulgaris formosovi Ognev, 1935 -- valid
  Sciurus vulgaris fuscoater Altum, 1876 -- invalid
  Sciurus vulgaris fusconigricans Dwigubski, 1804 -- valid
  Sciurus vulgaris leucourus Kerr, 1792 -- valid
  Sciurus vulgaris lilaeus Miller, 1907 -- valid
  Sciurus vulgaris mantchuricus Thomas, 1909 -- valid
  Sciurus vulgaris martensi Matschie, 1901 -- valid
  Sciurus vulgaris ognevi Migulin, 1928 -- valid
  Sciurus vulgaris orientis Thomas, 1906 -- valid
  Sciurus vulgaris rupestris Thomas, 1907 -- valid
  Sciurus vulgaris ukrainicus Migulin, 1928 -- valid
  Sciurus vulgaris varius Gmelin, 1789 -- valid
  Sciurus vulgaris vulgaris Linnaeus, 1758 -- valid
  Sciurus yucatanensis J. A. Allen, 1877 -- valid -- Yucatan Squirrel
  Sciurus yucatanensis baliolus Nelson, 1901 -- valid
  Sciurus yucatanensis phaeopus Goodwin, 1932 -- valid
  Sciurus yucatanensis yucatanensis J. A. Allen, 1877 -- valid
  Spermophilopsis Blasius, 1884 -- valid
  Spermophilopsis leptodactylus (Lichtenstein, 1823) -- valid -- Long-clawed Ground Squirrel
  Spermophilopsis leptodactylus bactrianus (Scully, 1888) -- valid
  Spermophilopsis leptodactylus heptopotamicus Heptner and Ismagilov, 1952 -- valid
  Spermophilopsis leptodactylus leptodactylus (Lichtenstein, 1823) -- valid
  Spermophilus F. Cuvier, 1825 -- valid -- Ground Squirrels, old world ground squirrels
  Spermophilus adocetus arceliae (Villa-R., 1942) -- invalid
  Spermophilus adocetus infernatus Alvarez and Ramírez-P., 1968 -- invalid
  Spermophilus alashanicus Büchner, 1888 -- valid -- Alashan Ground Squirrel
  Spermophilus brevicauda Brandt, 1843 -- valid -- Brandt's Ground Squirrel
  Spermophilus brunneus endemicus Yensen, 1991 -- invalid -- southern Idaho ground squirrel
  Spermophilus citellus (Linnaeus, 1766) -- valid -- European Ground Squirrel, European Souslik
  Spermophilus citellus citellus (Linnaeus, 1766) -- valid
  Spermophilus citellus gradojevici (Martino, 1929) -- valid
  Spermophilus citellus istricus (Calinescu, 1934) -- valid
  Spermophilus citellus martinoi (Peshchev, 1955) -- valid
  Spermophilus dauricus Brandt, 1843 -- valid -- Daurian Ground Squirrel
  Spermophilus elegans nevadensis (A. H. Howell, 1928) -- invalid
  Spermophilus erythrogenys Brandt, 1841 -- valid -- Red-cheeked Ground Squirrel
  Spermophilus fulvus (Lichtenstein, 1823) -- valid -- Yellow Ground Squirrel
  Spermophilus fulvus fulvus (Lichtenstein, 1823) -- valid
  Spermophilus fulvus hypoleucos (Satunin, 1909) -- valid
  Spermophilus fulvus oxianus (Thomas, 1915) -- valid
  Spermophilus major (Pallas, 1778) -- valid -- Russet Ground Squirrel
  Spermophilus mexicanus mexicanus (Erxleben, 1777) -- invalid
  Spermophilus musicus Ménétries, 1832 -- valid -- Caucasian Mountain Ground Squirrel
  Spermophilus pallidicauda (Satunin, 1903) -- valid -- Pallid Ground Squirrel
  Spermophilus pygmaeus (Pallas, 1778) -- valid -- Little Ground Squirrel
  Spermophilus pygmaeus brauneri (Martino, V. and E., 1917) -- valid
  Spermophilus pygmaeus herbicolus (Martino, V. and E., 1916) -- valid
  Spermophilus pygmaeus mugosaricus (Lichtenstein, 1823) -- valid
  Spermophilus pygmaeus musicus Ménétries, 1832 -- invalid -- Caucasian mountain ground squirrel
  Spermophilus pygmaeus pygmaeus (Pallas, 1778) -- valid
  Spermophilus ralli (Kuznetsov, 1948) -- valid -- Tien Shan Ground Squirrel
  Spermophilus relictus (Kashkarov, 1923) -- valid -- Relict Ground Squirrel
  Spermophilus suslicus (Güldenstaedt, 1770) -- valid -- Speckled Ground Squirrel, Suslik
  Spermophilus suslicus boristhenicus (Pusanov, 1958) -- valid
  Spermophilus suslicus guttatus (Pallas, 1770) -- valid
  Spermophilus suslicus suslicus (Güldenstaedt, 1770) -- valid
  Spermophilus taurensis Gündüz, Jaarola, Tez, Yeniyurt, Polly, and Searle, 2007 -- valid -- Taurus Ground Squirrel
  Spermophilus xanthoprymnus (Bennett, 1835) -- valid -- Asia Minor Ground Squirrel
  Sundasciurus Moore, 1958 -- valid -- Sunda Squirrels
  Sundasciurus altitudinis (Robinson and Kloss, 1916) -- valid -- Sumatran Mountain Squirrel
  Sundasciurus brookei (Thomas, 1892) -- valid -- Brooke's Squirrel
  Sundasciurus davensis (Sanborn, 1952) -- valid -- Davao Squirrel
  Sundasciurus fraterculus (Thomas, 1895) -- valid -- Fraternal Squirrel
  Sundasciurus hippurus (I. Geoffroy Saint-Hilaire, 1831) -- valid -- Horse-tailed Squirrel
  Sundasciurus hippurus borneensis (Gray, 1867) -- valid
  Sundasciurus hippurus hippurellus (Lyon, 1907) -- valid
  Sundasciurus hippurus hippurosus (Lyon, 1907) -- valid
  Sundasciurus hippurus hippurus (I. Geoffroy Saint-Hilaire, 1831) -- valid
  Sundasciurus hippurus inquinatus (Thomas, 1908) -- valid
  Sundasciurus hippurus ornatus Dao and Cao, 1990 -- valid
  Sundasciurus hippurus pryeri (Thomas, 1892) -- valid
  Sundasciurus hoogstraali (Sanborn, 1952) -- valid -- Busuanga Squirrel
  Sundasciurus jentinki (Thomas, 1887) -- valid -- Jentink's Squirrel, Jentinck's Squirrel
  Sundasciurus juvencus (Thomas, 1908) -- valid -- Northern Palawan Tree Squirrel
  Sundasciurus lowii (Thomas, 1892) -- valid -- Low's Squirrel
  Sundasciurus lowii balae (Miller, 1903) -- valid
  Sundasciurus lowii bangueyae (Thomas, 1910) -- valid
  Sundasciurus lowii humilis (Miller, 1913) -- valid
  Sundasciurus lowii lowii (Thomas, 1892) -- valid
  Sundasciurus lowii natunensis (Thomas, 1895) -- valid
  Sundasciurus lowii robinsoni (Bonhote, 1903) -- valid
  Sundasciurus lowii seimundi (Thomas and Wroughton, 1909) -- valid
  Sundasciurus mindanensis (Steere, 1890) -- valid -- Mindanao Squirrel
  Sundasciurus moellendorffi (Matschie, 1898) -- valid -- Culion Tree Squirrel
  Sundasciurus philippinensis (Waterhouse, 1839) -- valid -- Philippine Tree Squirrel
  Sundasciurus rabori Heaney, 1979 -- valid -- Palawan Montane Squirrel
  Sundasciurus samarensis (Steere, 1890) -- valid -- Samar Squirrel
  Sundasciurus steerii (Günther, 1877) -- valid -- Southern Palawan Tree Squirrel
  Sundasciurus tahan (Bonhote, 1908) -- valid -- Upland Squirrel
  Sundasciurus tenuis (Horsfield, 1824) -- valid -- Slender Squirrel
  Sundasciurus tenuis bancarus (Miller, 1903) -- valid
  Sundasciurus tenuis modestus (Müller, 1840) -- valid
  Sundasciurus tenuis parvus (Miller, 1901) -- valid
  Sundasciurus tenuis procerus (Miller, 1901) -- valid
  Sundasciurus tenuis tenuis (Horsfield, 1824) -- valid
  Syntheosciurus Bangs, 1902 -- valid
  Syntheosciurus brochus Bangs, 1902 -- valid -- Bangs's Mountain Squirrel
  Tamias Illiger, 1811 -- valid -- Chipmunks
  Tamias alpinus Merriam, 1893 -- valid -- Alpine Chipmunk
  Tamias amoenus J. A. Allen, 1890 -- valid -- Yellow-pine Chipmunk
  Tamias amoenus affinis J. A. Allen, 1890 -- valid
  Tamias amoenus albiventris (Booth, 1947) -- valid
  Tamias amoenus amoenus J. A. Allen, 1890 -- valid
  Tamias amoenus canicaudus (Merriam, 1903) -- valid
  Tamias amoenus caurinus (Merriam, 1898) -- valid
  Tamias amoenus celeris (Hall and Johnson, 1940) -- valid
  Tamias amoenus cratericus (Blossom, 1937) -- valid
  Tamias amoenus felix Rhoads, 1895 -- valid
  Tamias amoenus ludibundus (Hollister, 1911) -- valid
  Tamias amoenus luteiventris J. A. Allen, 1890 -- valid
  Tamias amoenus monoensis (Grinnell and Storer, 1916) -- valid
  Tamias amoenus ochraceus (A. H. Howell, 1925) -- valid
  Tamias amoenus septentrionalis (Cowan, 1946) -- valid
  Tamias amoenus vallicola (A. H. Howell, 1922) -- valid
  Tamias bulleri J. A. Allen, 1889 -- valid -- Buller's Chipmunk
  Tamias canipes (V. Bailey, 1902) -- valid -- Gray-footed Chipmunk
  Tamias canipes canipes (V. Bailey, 1902) -- valid
  Tamias canipes sacramentoensis Flaherty, 1960 -- valid
  Tamias cinereicollis J. A. Allen, 1890 -- valid -- Gray-collared Chipmunk
  Tamias cinereicollis cinereicollis J. A. Allen, 1890 -- valid
  Tamias cinereicollis cinereus (V. Bailey, 1913) -- valid
  Tamias dorsalis Baird, 1855 -- valid -- Cliff Chipmunk
  Tamias dorsalis carminis (Goldman, 1938) -- valid
  Tamias dorsalis dorsalis Baird, 1855 -- valid
  Tamias dorsalis grinnelli (Burt, 1931) -- valid
  Tamias dorsalis nidoensis (Lidicker, 1960) -- valid
  Tamias dorsalis sonoriensis (Callahan and Davis, 1977) -- valid
  Tamias dorsalis utahensis (Merriam, 1897) -- valid
  Tamias durangae (J. A. Allen, 1903) -- valid -- Durango Chipmunk
  Tamias durangae durangae (J. A. Allen, 1903) -- valid
  Tamias durangae solivagus (A. H. Howell, 1922) -- valid
  Tamias merriami J. A. Allen, 1889 -- valid -- Merriam's Chipmunk
  Tamias merriami kernensis (Grinnell and Storer, 1916) -- valid
  Tamias merriami merriami J. A. Allen, 1889 -- valid
  Tamias merriami pricei J. A. Allen, 1895 -- valid
  Tamias minimus Bachman, 1839 -- valid -- tamia mineur, Least Chipmunk
  Tamias minimus arizonensis (A. H. Howell, 1922) -- valid
  Tamias minimus atristriatus (V. Bailey, 1913) -- valid -- Penñasco least chipmunk
  Tamias minimus borealis J. A. Allen, 1877 -- valid
  Tamias minimus cacodemus (Cary, 1906) -- valid
  Tamias minimus caniceps (Osgood, 1900) -- valid
  Tamias minimus caryi (Merriam, 1908) -- valid
  Tamias minimus chuskaensis Sullivan and Petersen, 1988 -- valid
  Tamias minimus confinis (A. H. Howell, 1925) -- valid
  Tamias minimus consobrinus J. A. Allen, 1890 -- valid
  Tamias minimus grisescens (A. H. Howell, 1925) -- valid
  Tamias minimus hudsonius (Anderson and Rand, 1944) -- valid
  Tamias minimus jacksoni (A. H. Howell, 1925) -- valid
  Tamias minimus minimus Bachman, 1839 -- valid
  Tamias minimus neglectus J. A. Allen, 1890 -- valid
  Tamias minimus operarius (Merriam, 1905) -- valid
  Tamias minimus oreocetes (Merriam, 1897) -- valid
  Tamias minimus pallidus J. A. Allen, 1874 -- valid
  Tamias minimus pictus J. A. Allen, 1890 -- valid
  Tamias minimus scrutator (Hall and Hatfield, 1934) -- valid
  Tamias minimus selkirki (Cowan, 1946) -- valid
  Tamias minimus silvaticus (White, 1952) -- valid
  Tamias obscurus J. A. Allen, 1890 -- valid -- California Chipmunk, Dusky Chipmunk
  Tamias obscurus davisi (Callahan, 1977) -- valid
  Tamias obscurus meridionalis (Nelson and Goldman, 1909) -- valid
  Tamias obscurus obscurus J. A. Allen, 1890 -- valid
  Tamias ochrogenys (Merriam, 1897) -- valid -- Yellow-cheeked Chipmunk, Redwood Chipmunk
  Tamias palmeri (Merriam, 1897) -- valid -- Palmer's Chipmunk
  Tamias panamintinus Merriam, 1893 -- valid -- Panamint Chipmunk
  Tamias panamintinus acrus (Johnson, 1943) -- valid
  Tamias panamintinus panamintinus Merriam, 1893 -- valid
  Tamias quadrimaculatus Gray, 1867 -- valid -- Long-eared Chipmunk
  Tamias quadrivittatus (Say, 1823) -- valid -- Colorado Chipmunk
  Tamias quadrivittatus australis (Patterson, 1980) -- valid -- Organ Mountains Colorado chipmunk
  Tamias quadrivittatus oscuraensis Sullivan, 1996 -- valid -- Oscura Mountain Colorado Chipmunk
  Tamias quadrivittatus quadrivittatus (Say, 1823) -- valid
  Tamias ruficaudus (A. H. Howell, 1920) -- valid -- Red-tailed Chipmunk
  Tamias ruficaudus ruficaudus (A. H. Howell, 1920) -- valid
  Tamias ruficaudus simulans (A. H. Howell, 1922) -- valid
  Tamias rufus (Hoffmeister and Ellis, 1979) -- valid -- Hopi Chipmunk
  Tamias senex J. A. Allen, 1890 -- valid -- Allen's Chipmunk, Shadow Chipmunk
  Tamias senex pacifica Sutton and Patterson, 2000 -- valid
  Tamias senex senex J. A. Allen, 1890 -- valid
  Tamias sibiricus (Laxmann, 1769) -- valid -- Siberian Chipmunk
  Tamias sibiricus asiaticus (Gmelin, 1788) -- valid
  Tamias sibiricus lineatus (Siebold, 1824) -- valid
  Tamias sibiricus okadae (Kuroda, 1932) -- valid
  Tamias sibiricus ordinalis (Thomas, 1908) -- valid
  Tamias sibiricus orientalis Bonhote, 1899 -- valid
  Tamias sibiricus pallasi Baird, 1856 -- valid
  Tamias sibiricus senescens (Miller, 1898) -- valid
  Tamias sibiricus sibiricus (Laxmann, 1769) -- valid
  Tamias sibiricus umbrosus (A. H. Howell, 1927) -- valid
  Tamias siskiyou (A. H. Howell, 1922) -- valid -- Siskiyou Chipmunk
  Tamias siskiyou humboldti Sutton and Patterson, 2000 -- valid
  Tamias siskiyou siskiyou (A. H. Howell, 1922) -- valid
  Tamias sonomae (Grinnell, 1915) -- valid -- Sonoma Chipmunk
  Tamias sonomae alleni (A. H. Howell, 1922) -- valid
  Tamias sonomae sonomae (Grinnell, 1915) -- valid
  Tamias speciosus Merriam, 1890 -- valid -- Lodgepole Chipmunk
  Tamias speciosus callipeplus Merriam, 1893 -- valid
  Tamias speciosus frater J. A. Allen, 1890 -- valid
  Tamias speciosus sequoiensis (A. H. Howell, 1922) -- valid
  Tamias speciosus speciosus Merriam, 1890 -- valid -- lodgepole chipmunk
  Tamias striatus (Linnaeus, 1758) -- valid -- tamia rayé, Eastern Chipmunk
  Tamias striatus doorsiensis Long, 1971 -- valid
  Tamias striatus fisheri A. H. Howell, 1925 -- valid
  Tamias striatus griseus Mearns, 1891 -- valid
  Tamias striatus lysteri (Richardson, 1829) -- valid
  Tamias striatus ohioensis Bole and Moulthrop, 1942 -- valid
  Tamias striatus peninsulae Hooper, 1942 -- valid
  Tamias striatus pipilans Lowery, 1943 -- valid
  Tamias striatus quebecensis Cameron, 1950 -- valid
  Tamias striatus rufescens Bole and Moulthrop, 1942 -- valid
  Tamias striatus striatus (Linnaeus, 1758) -- valid
  Tamias striatus venustus Bangs, 1896 -- valid
  Tamias townsendii Bachman, 1839 -- valid -- Townsend's Chipmunk
  Tamias townsendii cooperi Baird, 1855 -- valid
  Tamias townsendii townsendii Bachman, 1839 -- valid
  Tamias umbrinus J. A. Allen, 1890 -- valid -- Uinta Chipmunk
  Tamias umbrinus adsitus (J. A. Allen, 1905) -- valid
  Tamias umbrinus fremonti (White, 1953) -- valid
  Tamias umbrinus inyoensis (Merriam, 1897) -- valid
  Tamias umbrinus montanus (White, 1953) -- valid
  Tamias umbrinus nevadensis (Burt, 1931) -- valid -- Hidden Forest Uinta chipmunk
  Tamias umbrinus sedulus (White, 1953) -- valid -- Mount Ellen Uinta chipmunk
  Tamias umbrinus umbrinus J. A. Allen, 1890 -- valid
  Tamiasciurus Trouessart, 1880 -- valid -- chickarees, Red Squirrels
  Tamiasciurus douglasii (Bachman, 1839) -- valid -- Douglas's Squirrel
  Tamiasciurus douglasii douglasii (Bachman, 1839) -- valid
  Tamiasciurus douglasii mollipilosus (Audubon and Bachman, 1841) -- valid
  Tamiasciurus hudsonicus (Erxleben, 1777) -- valid -- écureuil roux, Red Squirrel
  Tamiasciurus hudsonicus abieticola (A. H. Howell, 1929) -- valid
  Tamiasciurus hudsonicus baileyi (J. A. Allen, 1898) -- valid
  Tamiasciurus hudsonicus columbiensis A. H. Howell, 1936 -- valid
  Tamiasciurus hudsonicus dakotensis (J. A. Allen, 1894) -- valid
  Tamiasciurus hudsonicus dixiensis Hardy, 1942 -- valid
  Tamiasciurus hudsonicus fremonti (Audubon and Bachman, 1853) -- valid
  Tamiasciurus hudsonicus grahamensis (J. A. Allen, 1894) -- valid -- Mount Graham red squirrel
  Tamiasciurus hudsonicus gymnicus (Bangs, 1899) -- valid
  Tamiasciurus hudsonicus hudsonicus (Erxleben, 1777) -- valid
  Tamiasciurus hudsonicus kenaiensis A. H. Howell, 1936 -- valid
  Tamiasciurus hudsonicus lanuginosus (Bachman, 1839) -- valid
  Tamiasciurus hudsonicus laurentianus Anderson, 1942 -- valid
  Tamiasciurus hudsonicus loquax (Bangs, 1896) -- valid
  Tamiasciurus hudsonicus lychnuchus (Stone and Rehn, 1903) -- valid
  Tamiasciurus hudsonicus minnesota (J. A. Allen, 1899) -- valid
  Tamiasciurus hudsonicus mogollonensis (Mearns, 1890) -- valid
  Tamiasciurus hudsonicus pallescens A. H. Howell, 1942 -- valid
  Tamiasciurus hudsonicus petulans (Osgood, 1900) -- valid
  Tamiasciurus hudsonicus picatus (Swarth, 1921) -- valid
  Tamiasciurus hudsonicus preblei A. H. Howell, 1936 -- valid
  Tamiasciurus hudsonicus regalis A. H. Howell, 1936 -- valid
  Tamiasciurus hudsonicus richardsoni (Bachman, 1839) -- valid
  Tamiasciurus hudsonicus streatori (J. A. Allen, 1898) -- valid
  Tamiasciurus hudsonicus ungavensis Anderson, 1942 -- valid
  Tamiasciurus hudsonicus ventorum (J. A. Allen, 1898) -- valid
  Tamiasciurus mearnsi (Townsend, 1897) -- valid -- Mearns's Squirrel
  Tamiops J. A. Allen, 1906 -- valid -- Asiatic Striped Squirrels
  Tamiops maritimus (Bonhote, 1900) -- valid -- Maritime Striped Squirrel
  Tamiops maritimus hainanus J. A. Allen, 1906 -- valid
  Tamiops maritimus maritimus (Bonhote, 1900) -- valid
  Tamiops maritimus moi Robinson and Kloss, 1922 -- valid
  Tamiops maritimus monticolus (Bonhote, 1900) -- valid
  Tamiops mcclellandii (Horsfield, 1840) -- valid -- Himalayan Striped Squirrel
  Tamiops mcclellandii barbei (Blyth, 1847) -- valid
  Tamiops mcclellandii collinus Moore, 1958 -- valid
  Tamiops mcclellandii inconstans Thomas, 1920 -- valid
  Tamiops mcclellandii kongensis (Bonhote, 1901) -- valid
  Tamiops mcclellandii leucotis (Temminck, 1853) -- valid
  Tamiops mcclellandii mcclellandii (Horsfield, 1840) -- valid
  Tamiops rodolphii (Milne-Edwards, 1867) -- valid -- Cambodian Striped Squirrel
  Tamiops rodolphii elbeli Moore, 1958 -- valid
  Tamiops rodolphii rodolphii (Milne-Edwards, 1867) -- valid
  Tamiops swinhoei (Milne-Edwards, 1874) -- valid -- Swinhoe's Striped Squirrel
  Tamiops swinhoei olivaceus Osgood, 1932 -- valid
  Tamiops swinhoei spencei Thomas, 1921 -- valid
  Tamiops swinhoei swinhoei (Milne-Edwards, 1874) -- valid
  Tamiops swinhoei vestitus Miller, 1915 -- valid
  Trogopterus Heude, 1898 -- valid
  Trogopterus xanthipes (Milne-Edwards, 1867) -- valid -- Complex-Toothed Flying Squirrel
  Urocitellus Obolenskij, 1927 -- valid -- Holarctic ground squirrels
  Urocitellus armatus (Kennicott, 1863) -- valid -- Uinta Ground Squirrel
  Urocitellus beldingi (Merriam, 1888) -- valid -- Belding's Ground Squirrel
  Urocitellus beldingi beldingi (Merriam, 1888) -- valid
  Urocitellus beldingi creber (Hall, 1940) -- valid
  Urocitellus beldingi oregonus (Merriam, 1898) -- valid
  Urocitellus brunneus (A. H. Howell, 1928) -- valid -- Idaho Ground Squirrel
  Urocitellus brunneus brunneus (A. H. Howell, 1928) -- valid -- northern Idaho ground squirrel
  Urocitellus brunneus endemicus (Yensen, 1991) -- valid
  Urocitellus canus (Merriam, 1898) -- valid -- Merriam's Ground Squirrel
  Urocitellus canus canus (Merriam, 1898) -- valid
  Urocitellus canus vigilis (Merriam, 1913) -- valid -- Malheur Valley ground squirrel, speckled sage squirrel
  Urocitellus columbianus (Ord, 1815) -- valid -- Columbian Ground Squirrel
  Urocitellus columbianus columbianus (Ord, 1815) -- valid
  Urocitellus columbianus ruficaudus (A. H. Howell, 1928) -- valid
  Urocitellus elegans (Kennicott, 1863) -- valid -- Wyoming Ground Squirrel
  Urocitellus elegans aureus (Davis, 1939) -- valid
  Urocitellus elegans elegans (Kennicott, 1863) -- valid
  Urocitellus elegans nevadensis (A. H. Howell, 1928) -- valid
  Urocitellus mollis (Kennicott, 1863) -- valid -- Piute Ground Squirrel
  Urocitellus mollis artemesiae (Merriam, 1913) -- valid
  Urocitellus mollis idahoensis (Merriam, 1913) -- valid
  Urocitellus mollis mollis (Kennicott, 1863) -- valid
  Urocitellus parryii (Richardson, 1825) -- valid -- Arctic Ground Squirrel
  Urocitellus parryii ablusus (Osgood, 1903) -- valid
  Urocitellus parryii kennicottii (Ross, 1861) -- valid
  Urocitellus parryii kodiacensis (J. A. Allen, 1874) -- valid
  Urocitellus parryii leucostictus (Brandt, 1844) -- valid
  Urocitellus parryii lyratus (Hall and Gilmore, 1932) -- valid
  Urocitellus parryii nebulicola (Osgood, 1903) -- valid
  Urocitellus parryii osgoodi (Merriam, 1900) -- valid
  Urocitellus parryii parryii (Richardson, 1825) -- valid
  Urocitellus parryii plesius (Osgood, 1900) -- valid
  Urocitellus parryii stejnegeri (J. A. Allen, 1903) -- valid
  Urocitellus richardsonii (Sabine, 1822) -- valid -- Richardson's Ground Squirrel
  Urocitellus townsendii (Bachman, 1839) -- valid -- Townsend's Ground Squirrel
  Urocitellus townsendii nancyae (Nadler, 1968) -- valid
  Urocitellus townsendii townsendii (Bachman, 1839) -- valid
  Urocitellus undulatus (Pallas, 1778) -- valid -- Long-tailed Ground Squirrel
  Urocitellus undulatus eversmanni (Brandt, 1841) -- valid
  Urocitellus undulatus jacutensis (Brandt, 1844) -- valid
  Urocitellus undulatus menzbieri (Ognev, 1937) -- valid
  Urocitellus undulatus stramineus (Obolenskii, 1927) -- valid
  Urocitellus undulatus transbaikalicus (Obolenskii, 1927) -- valid
  Urocitellus undulatus undulatus (Pallas, 1778) -- valid
  Urocitellus washingtoni (A. H. Howell, 1938) -- valid -- Washington Ground Squirrel
  Xerinae Osborn, 1910 -- valid
  Xerini Osborn, 1910 -- valid -- African ground squirrels
  Xerospermophilus Merriam, 1892 -- valid -- pygmy ground squirrels
  Xerospermophilus mohavensis (Merriam, 1889) -- valid -- Mohave Ground Squirrel
  Xerospermophilus perotensis (Merriam, 1893) -- valid -- Perote Ground Squirrel
  Xerospermophilus spilosoma (Bennett, 1833) -- valid -- Spotted Ground Squirrel
  Xerospermophilus spilosoma altiplanensis (Anderson, 1972) -- valid
  Xerospermophilus spilosoma ammophilus (Hoffmeister, 1959) -- valid
  Xerospermophilus spilosoma annectens (Merriam, 1893) -- valid
  Xerospermophilus spilosoma bavicorensis (Anderson, 1972) -- valid
  Xerospermophilus spilosoma cabrerai (Dalquest, 1951) -- valid
  Xerospermophilus spilosoma canescens (Merriam, 1890) -- valid
  Xerospermophilus spilosoma cryptospilotus (Merriam, 1890) -- valid
  Xerospermophilus spilosoma marginatus (V. Bailey, 1902) -- valid
  Xerospermophilus spilosoma obsoletus (Kennicott, 1863) -- valid
  Xerospermophilus spilosoma oricolus (Alvarez, 1962) -- valid
  Xerospermophilus spilosoma pallescens (A. H. Howell, 1928) -- valid
  Xerospermophilus spilosoma pratensis (Merriam, 1890) -- valid
  Xerospermophilus spilosoma spilosoma (Bennett, 1833) -- valid
  Xerospermophilus tereticaudus (Baird, 1858) -- valid -- Round-tailed Ground Squirrel
  Xerospermophilus tereticaudus apricus (Huey, 1927) -- valid
  Xerospermophilus tereticaudus chlorus (Elliot, 1904) -- valid -- Coachella Valley round-tailed ground squirrel, Palm Springs round-tailed ground squirrel
  Xerospermophilus tereticaudus neglectus (Merriam, 1889) -- valid
  Xerospermophilus tereticaudus tereticaudus (Baird, 1858) -- valid
  Xerus Hemprich and Ehrenberg, 1833 -- valid -- African Ground Squirrels
  Xerus erythropus (É. Geoffroy Saint-Hilaire, 1803) -- valid -- Striped Ground Squirrel
  Xerus erythropus chadensis (Thomas, 1905) -- valid
  Xerus erythropus erythropus (É. Geoffroy Saint-Hilaire, 1803) -- valid
  Xerus erythropus lacustris (Thomas, 1905) -- valid
  Xerus erythropus leucoumbrinus (Rüppell, 1835) -- valid
  Xerus erythropus limitaneus (Thomas and Hinton, 1923) -- valid
  Xerus erythropus microdon Thomas, 1905 -- valid
  Xerus inauris (Zimmermann, 1780) -- valid -- South African Ground Squirrel
  Xerus princeps (Thomas, 1929) -- valid -- Damara Ground Squirrel
  Xerus rutilus (Cretzschmar, 1828) -- valid -- Unstriped Ground Squirrel
  Xerus rutilus dabagala Heuglin, 1861 -- valid
  Xerus rutilus dorsalis Dollman, 1911 -- valid
  Xerus rutilus intensus Thomas, 1904 -- valid
  Xerus rutilus massaicus Toschi, 1945 -- valid
  Xerus rutilus rufifrons Dollman, 1911 -- valid
  Xerus rutilus rutilus (Cretzschmar, 1828) -- valid
  Xerus rutilus saturatus (Neumann, 1900) -- valid
  Xerus rutilus stephanicus Thomas, 1906 -- valid
   

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