Order Primates Linnaeus, 1758 - primates
   Semiorder Euprimates Hoffstetter, 1978 see Clade Euprimates
     Suborder Haplorhini Pocock, 1918
       Hyporder Anthropoidea Mivart, 1864 see Infraorder Simiiformes Haeckel, 1866
         Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 [monotypic] see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
           Superfamily Ateloidea Gray, 1825
             Family Cebidae Bonaparte, 1831 - New World monkeys
               Subfamily Callitrichinae Gray, 1821 see Family Callitrichidae Gray, 1821
                 Tribe Callitrichini
                   1 Genus Saguinus Hoffmannsegg, 1807 - tamarins
                   2 Genus Leontopithecus Lesson, 1840 - golden tamarins
                   3 Genus Callithrix Erxleben, 1777 - marmosets
                   4 Genus Cebuella Gray, 1866 - pygmy marmoset