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 Plecotini Gray, 1866
             Genus Plecotus Geoffroy, 1818 - lump-nosed bats
               Plecotus austriacus (Fischer, 1829) - grey long-eared bat
                 Plecotus austriacus christii Gray, 1838