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 Cercopithecus Linnaeus, 1758 - guenons
                     Cercopithecus mitis Wolf, 1822 - diademed monkey
                       1 [Cercopithecus mitis mitis]ᵀ Wolf, 1822
                       2 Cercopithecus mitis boutourlinii Giglioli, 1887
                       3 Cercopithecus mitis elgonis Lönnberg, 1919
                       4 Cercopithecus mitis heymansi Colyn & Verheyen, 1987
                       5 Cercopithecus mitis opisthostictus Sclater, 1894
                       6 Cercopithecus mitis stuhlmanni Matschie, 1893