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
                 1 Lasiurus borealis species group
                 2 Lasiurus cinereus species group