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Especímenes (261)
Spermophilus undulatus (Pallas, 1778)- Spermophilus washingtoni (A.H. Howell, 1938)
- Spermophilus xanthoprymnus (Bennett, 1835)
- Sundasciurus hippurus (I. Geoffroy, 1831)
- Sundasciurus brookei (Thomas, 1892)
- Sundasciurus juvencus (Thomas, 1908)
- Sundasciurus samarensis (Steere, 1890)
- Sundasciurus steerii (Gunther, 1877)
- Sundasciurus philippinensis (Waterhouse, 1839)
- Sundasciurus tenuis (Horsfield, 1824)
- Tamias alpinus Merriam, 1893
- Tamias amoenus J.A. Allen, 1890
- Tamias cinereicollis J.A. Allen, 1890
- Tamias sibiricus (Laxmann, 1769)
- Tamias striatus (Linnaeus, 1758)
- Tamias siskiyou (A.H. Howell, 1922)
- Prosciurillus abstrusus Moore, 1958
- Pteromys volans (Linnaeus, 1758)
- Ratufa affinis (Raffles, 1821)
- Ratufa bicolor (Sparrman, 1778)
- Sciurus carolinensis Gmelin, 1788
- Sciurus colliaei Richardson, 1839
- Sciurus flammifer Thomas, 1904
- Sciurus granatensis Humboldt, 1811
- Sciurus griseus Ord, 1818
- Sciurus ignitus (Gray, 1867)
- Sciurus nayaritensis J.A. Allen, 1890
- Spermophilus armatus Kennicott, 1863
- Spermophilus major (Pallas, 1778)
- Spermophilus lateralis (Say, 1823)
- Spermophilus fulvus (Lichtenstein, 1823)
- Spermophilus mohavensis Merriam, 1889
- Spermophilus parryii (Richardson, 1825)
- Spermophilus relictus (Kashkarov, 1923)
- Spermophilus richardsonii (Sabine, 1822)
- Spermophilus saturatus (Rhoads, 1895)
- Spermophilus perotensis Merriam, 1893
- Spermophilus suslicus (Guldenstaedt, 1770)
- Spermophilus tereticaudus Baird, 1858
- Spermophilus tridecemlineatus (Mitchill, 1821)
- Sundasciurus hoogstraali (Sanborn, 1952)
- Sundasciurus lowii (Thomas, 1892)
- Sundasciurus mollendorffi Matschie, 1898
- Hylopetes alboniger (Hodgson, 1836)
- Marmota flaviventris (Audubon & Bachman, 1841)
- Marmota olympus (Merriam, 1898)
- Marmota vancouverensis Swarth, 1911
- Microsciurus mimulus (Thomas, 1898)
- Paraxerus lucifer (Thomas, 1897)
- Paraxerus palliatus (Peters, 1852)
- Paraxerus poensis (A. Smith, 1830)
- Paraxerus vincenti Hayman, 1950
- Petaurillus hosei (Thomas, 1900)
- Petaurillus kinlochii (Robinson & Kloss, 1911)
- Petaurista elegans (Muller, 1839)
- Petaurista leucogenys (Temminck, 1827)
- Petaurista petaurista (Pallas, 1766)
- Petinomys hageni (Jentink, 1888)
- Petinomys bartelsi Chasen, 1939
- Petinomys fuscocapillus (Jerdon, 1847)
- Petinomys sagitta (Linnaeus, 1766)
- Petinomys vordermanni (Jentink, 1890)
- Pteromys momonga Temminck, 1845
- Protoxerus aubinnii (Gray, 1873)
- Funisciurus congicus (Kuhl, 1820)
- Funisciurus lemniscatus (Le Conte, 1857)
- Funisciurus substriatus De Winton, 1899
- Glaucomys volans (Linnaeus, 1758)
- Tamias canipes (V. Bailey, 1902)
- Tamias minimus Bachmann, 1839
- Tamias merriami J.A. Allen, 1889
- Tamias durangae (J.A. Allen, 1903)
- Tamias ochrogenys (Merriam, 1897)
- Tamias palmeri (Merriam, 1897)
- Tamias quadrimaculatus Gray, 1867
- Tamias quadrivittatus (Say, 1823)
- Tamias ruficaudus (A.H. Howell, 1920)
- Tamias umbrinus J.A. Allen, 1890
- Tamias speciosus Merriam, 1890
- Tamiasciurus douglasii (Bachman, 1839)
- Tamiops maritimus (Bonhote, 1900)
- Tamiasciurus hudsonicus (Erxleben, 1777)
- Tamiops macclellandi (Horsfield, 1840)
- Xerus erythropus (E. Geoffroy, 1803)
- Trogopterus xanthipes (Milne-Edwards, 1867)
- Xerus inauris (Zimmermann, 1780)
- Xerus rutilus (Cretzschmar, 1826)
- Exilisciurus surrutilus (Hollister, 1913)
- Sciurotamias davidianus (Milne-Edwards, 1867)
- Sciurus sanborni Osgood, 1944
- Tamiops rodolphei (Milne-Edwards, 1867)
- Funambulus layardi (Blyth, 1849)
- Exilisciurus concinnus (Thomas, 1888)
- Funisciurus bayonii (Bocage, 1890)
- Funambulus sublineatus (Waterhouse, 1838)
- Funisciurus isabella (Gray, 1862)
- Glaucomys sabrinus (Shaw, 1801)
- Glyphotes simus Thomas, 1898
- Heliosciurus rofubrachium (Waterhouse, 1842)
- Hylopetes fimbriatus (Gray, 1837)
