Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Primates Linnaeus, 1758 - primates
       Suborder Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918
         Infraorder Simiiformes Haeckel, 1866
           Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
             Superfamily Cercopithecoidea Gray, 1821
               Family Cercopithecidae Gray, 1821 - Old World monkeys
                 Subfamily Cercopithecinae Gray, 1821
                   Genus Papio Müller, 1773 - baboons
                     Papio ursinus (R. Kerr, 1792) - Chacma baboon
                       1 [Papio ursinus ursinus]ᵀ (R. Kerr, 1792)
                       2 Papio ursinus griseipes Pocock, 1911
                       3 Papio ursinus ruacana Shortridge, 1942