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 Pipistrellini Tate, 1942
             Genus Pipistrellus Kaup, 1829 - pipistrelles
               Subgenus Perimyotis Menu, 1984
                 Pipistrellus subflavus (Cuvier, 1832) - eastern pipistrelle
                   1 [Pipistrellus subflavus subflavus] (Cuvier, 1832)
                   2 Pipistrellus subflavus clarus Baker, 1954
                   3 Pipistrellus subflavus floridanus Davis, 1957
                   4 Pipistrellus subflavus veraecrucis Ward, 1891