Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Primates Linnaeus, 1758 - primates
       Suborder Strepsirrhini Geoffroy Saint-Hilaire, 1812
         Infraorder Lorisiformes Gregory, 1915
           Family Galagidae Gray, 1825, orth. cons.
             Genus Otolemur Coquerel, 1859 - greater bush babies
               1 Otolemur crassicaudatus (É. Geoffroy Saint-Hilaire, 1812)
               2 Otolemur garnettii (Ogilby, 1838)
               3 Otolemur monteiri (Bartlett, 1863)