Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812 Family Atelidae Gray, 1825 Subfamily Atelinae Gray, 1825 Genus †Protopithecus Lund, 1838 1 †Protopithecus brasiliensis Lund, 1838