Class [Mammalia] Linnaeus, 1758 - mammals Order Rodentia Bowdich, 1821 - rodents Family Sciuridae Batsch, 1788 - squirrels, chipmunks, marmots, and prairie dogs Subfamily Sciurinae Batsch, 1788 - tree and ground squirrels Genus Spermophilopsis Blasius, 1884 - long-clawed ground squirrel 1 Spermophilopsis leptodactylus (Lichtenstein, 1823) - long-clawed ground squirrel