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 Eptesicini Volleth & Heller, 1994
             Genus Eptesicus Rafinesque, 1820 - big brown bats
               Subgenus Eptesicus Rafinesque, 1820
                 Eptesicus furinalis (d'Orbigny, 1847) - Argentine brown bat
                   1 [Eptesicus furinalis furinalis] (d'Orbigny, 1847)
                   2 Eptesicus furinalis carteri Davis, 1965
                   3 Eptesicus furinalis findleyi Williams, 1978
                   4 Eptesicus furinalis gaumeri Allen, 1897