Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Mormoopidae Saussure, 1860 - naked-backed bats, moustached bats, ghost-faced bats
         1 Genus Mormoops Leach, 1821 - ghost-faced bats
         2 Genus Pteronotus Gray, 1838 - naked-backed bats, moustached bats