Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Nycteridae van der Hoeven, 1855 - slit-faced bats
         Genus Nycteris Geoffroy & Cuvier, 1795 - slit-faced bats
           Nycteris arge species group
             1 Nycteris arge Thomas, 1903 - Bate's slit-faced bat
             2 Nycteris intermedia Aellen, 1959
             3 Nycteris major (Andersen, 1912) - Ja slit-faced bat
             4 Nycteris nana (Andersen, 1912) - dwarf slit-faced bat