Class Mammalia Linnaeus, 1758 - mammals
   Order Chiroptera Blumenbach, 1779 - bats
     Family Vespertilionidae Gray, 1821 - vespertilionid bats
       Subfamily Vespertilioninae Gray, 1821
         Genus Nycticeius Rafinesque, 1819 - evening bats
           01 Nycticeius balstoni (Thomas, 1906) - western broad-nosed bat see Scotorepens balstoni (Thomas, 1906)
           02 Nycticeius greyii (Gray, 1842) see Scotorepens greyii (Gray, 1842)
           03 Nycticeius humeralis (Rafinesque, 1818) - evening bat
           04 Nycticeius rueppellii (Peters, 1866) - greater broad-nosed bat see Scoteanax rueppellii (Peters, 1866)
           05 Nycticeius sanborni (Troughton, 1937) see Scotorepens sanborni (Troughton, 1937)
           06 Nycticeius schlieffeni (Peters, 1859) - Schlieffen's twilight bat see Nycticeinops schlieffeni (Peters, 1859)
           07 Subgenus Scotorepens Troughton, 1943 - lesser broad-nosed bats see Genus Scotorepens Troughton, 1943
           08 Subgenus Nycticeius Rafinesque, 1819 - evening bats see Genus Nycticeius Rafinesque, 1819
           09 Subgenus Scoteanax Troughton, 1943 - greater broad-nosed bat see Genus Scoteanax Troughton, 1943
           10 Subgenus Nycticeinops Hill & Harrison, 1987 - Schlieffen's twilight bat see Genus Nycticeinops Hill & Harrison, 1987