Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812 Family Atelidae Gray, 1825 Subfamily Pitheciinae Mivart, 1865 Genus †Homunculus Ameghino, 1891 †Homunculus patagonicus Ameghino, 1891