Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Chiroptera Blumenbach, 1779 - bats
       Family Pteropodidae Gray, 1821 - Old World fruit bats
         Genus Rousettus Gray, 1821 - rousette fruit bats
           Subgenus Stenonycteris Gray, 1871
             1 Rousettus lanosus Thomas, 1906 - Ruwenzori long-haired rousette
             2 Rousettus madagascariensis Grandidier, 1928 - Madagascar rousette