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 Tamiasciurus Trouessart, 1880 - American red squirrels Tamiasciurus hudsonicus (Erxleben, 1777) - American red squirrel