Class Mammalia Linnaeus, 1758 - mammals
   Order Chiroptera Blumenbach, 1779 - bats
     Family Emballonuridae Gervais, 1855 - sheath-tailed bats
       Genus Balantiopteryx Peters, 1867 - least sac-winged bats
         1 Balantiopteryx infusca (Thomas, 1897)
         2 Balantiopteryx io Thomas, 1904 - Thomas's least sac-winged bat
         3 Balantiopteryx plicata Peters, 1867 - Peters' bat