Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Chiroptera Blumenbach, 1779 - bats Family Vespertilionidae Gray, 1821 - vespertilionid bats Subfamily Vespertilioninae Gray, 1821 Tribe Lasiurini Tate, 1942 Genus Lasiurus Gray, 1831 - hairy-tailed bats Subgenus Lasiurus Gray, 1831 Lasiurus borealis species group Lasiurus varius Poeppig, 1835