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 Dasypterus Allen, 1894
Lasiurus ega (Gervais, 1856) - southern yellow bat
Lasiurus ega fuscatus Thomas, 1901