Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Molossidae Gervais, 1856 - free-tailed bats and mastiff bats
         Subfamily Molossinae Gervais, 1856
           Genus Mormopterus Peters, 1865 - little goblin bats
             Mormopterus norfolkensis species group
               1 Mormopterus beccarii Peters, 1881 - Beccari's mastiff-bat
               2 Mormopterus loriae Thomas, 1897 - little northern mastiff-bat
               3 Mormopterus norfolkensis (Gray, 1840) - eastern little mastiff-bat
               4 Mormopterus planiceps (Peters, 1866) - little mastiff bat