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
                 1 [Plecotus austriacus austriacus] (Fischer, 1829)
                 2 Plecotus austriacus ariel Thomas, 1911
                 3 Plecotus austriacus christii Gray, 1838
                 4 Plecotus austriacus macrobullaris Kuzyakin, 1965
                 5 Plecotus austriacus turkmenicus Strelkov, 1988
                 6 Plecotus austriacus wardi Thomas, 1911