Infraorder Platyrrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812 Family Atelidae Gray, 1825 Subfamily Pitheciinae Mivart, 1865 Genus †Propithecia Kay et al., 1998, nom. illeg. see Genus Proteropithecia Kay, Johnson & Meldrum, 1999 1 †Propithecia neuquensis see Proteropithecia neuquensis