Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Pteropodidae Gray, 1821 - Old World fruit bats
         Genus Pteropus Brisson, 1762 - flying foxes
           Pteropus pselaphon species group
             1 Pteropus insularis Hombron & Jacquinot, 1842 - Truk flying fox
             2 Pteropus leucopterus Temminck, 1853
             3 Pteropus nitendiensis Sanborn, 1930
             4 ‡Pteropus pilosus Andersen, 1908 - Palau flying fox
             5 Pteropus pselaphon Lay, 1829
             6 ‡Pteropus tokudae Tate, 1934 - little Mariana fruit bat
             7 Pteropus tuberculatus Peters, 1869
             8 Pteropus vetulus Jouan, 1863