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 Genus Leontopithecus Lesson, 1840 - golden tamarins