living organisms see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superkingdom Eukaryotae see Domain Eukaryota Chatton, 1925
     Kingdom Animalia Linnaeus, 1758 - animals
       Subkingdom Eumetazoa Butschli, 1910 see [unranked] Eumetazoa Bütschli, 1910
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Theria Parker & Haswell, 1897
                 Infraclass Eutheria Gill, 1872
                   Order Primates Linnaeus, 1758 - primates
                     Suborder Haplorhini Pocock, 1918
                       Infraorder Catarrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
                         Family Cercopithecidae Gray, 1821 - Old World monkeys
                           Subfamily Cercopithecinae Gray, 1821
                             1 Genus Papio Müller, 1773 - baboons
                             2 Genus Madrillus orth. inval. see Genus Mandrillus Ritgen, 1824
                             3 Genus Theropithecus Geoffroy Saint-Hilaire, 1843 - gelada
                             4 Genus Cercocebus Geoffroy Saint-Hilaire, 1812 - mangabeys
                             5 Genus Cercopithecus Linnaeus, 1758 - guenons
                             6 Genus Erythrocebus Trouessart, 1897 - patas monkey
                             7 Genus Macaca Lacépède, 1799 - macaques
                             8 Genus Cynopithecus Geoffroy, 1835 see Genus Macaca Lacépède, 1799