Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812
   Family Cebidae Bonaparte, 1831 - New World monkeys
     Subfamily Callitrichinae Gray, 1821 see Family Callitrichidae Gray, 1821
       1 Genus Callithrix Erxleben, 1777 - marmosets
       2 Genus Saguinus Hoffmannsegg, 1807 - tamarins
       3 Genus Leontopithecus Lesson, 1840 - golden tamarins
       4 Genus Callimico Miranda-Ribeiro, 1912 - Goeldi's marmoset
       5 Genus Cebuella Gray, 1866 - pygmy marmoset
       6 Genus †Mohanamico Luchterhand, Kay & Madden, 1986
       7 Genus †Patasola Kay & Meldrum, 1997
       8 Genus †Micodon Setoguchi & Rosenberger, 1985