Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Pteropodidae Gray, 1821 - Old World fruit bats
         Genus Harpyionycteris Thomas, 1896 - harpy fruit bats
           1 Harpyionycteris celebensis Miller & Hollister, 1921
           2 Harpyionycteris whiteheadi Thomas, 1896 - harpy fruit bat