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 Dremomys Heude, 1898 - red-cheeked squirrels Dremomys pernyi (Milne-Edwards, 1867) - Perny's long-nosed squirrel