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 Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
                         Family Cebidae Bonaparte, 1831 - New World monkeys
                           Subfamily Cebinae Bonaparte, 1831
                             1 Genus Saimiri Voigt, 1831 - squirrel monkeys
                             2 Genus Cebus Erxleben, 1777 - capuchins