Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Primates Linnaeus, 1758 - primates Suborder Haplorrhini Pocock, 1918 see Suborder Haplorhini Pocock, 1918 Infraorder Simiiformes Haeckel, 1866 Parvorder Platyrrhini Geoffroy Saint-Hilaire, 1812 Family Aotidae Poche, 1908 Genus Aotus Illiger, 1811 - douroucoulis red-necked species group