Sciuridae Hemprich, 1820
Spermophilus adocetus (Merriam, 1903)
Spermophilus alashanicus Büchner, 1888
Spermophilus annulatus Audubon & Bachman, 1842
Spermophilus argonautus
Spermophilus armatus Kennicott, 1863
Spermophilus atricapillus W. Bryant, 1889
Spermophilus beecheyi (Richardson, 1829)
Spermophilus beldingi Merriam, 1888
Spermophilus bensoni
Spermophilus boothi
Spermophilus brevicauda Brandt, 1843
Spermophilus brunneus (A. H. Howell, 1928)
Spermophilus canus Merriam, 1898
Spermophilus citellus (Linnaeus, 1766)
Spermophilus cochisei
Spermophilus columbianus (Ord, 1815)
Spermophilus cragini
Spermophilus cyanocittus
Spermophilus dauricus Brandt, 1843
Spermophilus dotti
Spermophilus elegans Kennicott, 1863
Spermophilus erythrogenys Brandt, 1841
Spermophilus finlayensis
Spermophilus franklinii (Sabine, 1822)
Spermophilus fricki
Spermophilus fulvus (Lichtenstein, 1823)
Spermophilus gidleyi
Spermophilus howelli
Spermophilus jerae
Spermophilus johnstoni
Spermophilus lateralis (Say, 1823)
Spermophilus lorisrusselli
Spermophilus madrensis (Merriam, 1901)
Spermophilus major (Pallas, 1778)
Spermophilus matachicensis
Spermophilus matthewi
Spermophilus mcgheei
Spermophilus mckayensis
Spermophilus meadensis
Spermophilus meltoni
Spermophilus mexicanus (Erxleben, 1777)
Spermophilus mohavensis Merriam, 1889
Spermophilus mollis Kennicott, 1863
Spermophilus musicus Ménétriès, 1832
Spermophilus pallidicauda Satunin, 1903
Spermophilus parryii (Richardson, 1825)
Spermophilus perotensis Merriam, 1893
Spermophilus primitivus
Spermophilus pygmaeus (Pallas, 1778)
Spermophilus ralli Kuznetsov, 1948
Spermophilus relictus (Kashkarov, 1923)
Spermophilus rexroadensis
Spermophilus richardsonii (Sabine, 1822)
Spermophilus russelli
Spermophilus saturatus (Rhoads, 1895)
Spermophilus shotwelli
Spermophilus spilosoma Bennett, 1833
Spermophilus suslicus (Güldenstaedt, 1770)
Spermophilus taurensis Gündüz, Jaarola, Tez, Yeniyurt, Polly & Searle, 2007
Spermophilus taylori
Spermophilus tephrus
Spermophilus tereticaudus Baird, 1858
Spermophilus townsendii Bachman, 1839
Spermophilus tridecemlineatus (Mitchill, 1821)
Spermophilus tuitus
Spermophilus undulatus (Pallas, 1778)
Spermophilus variegatus (Erxleben, 1777)
Spermophilus washingtoni (A. H. Howell, 1938)
Spermophilus wellingtonensis
Spermophilus wilsoni
Spermophilus xanthoprymnus (Bennett, 1835)