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 Catarrhini Geoffroy Saint-Hilaire, 1812 1 Superfamily Cercopithecoidea Gray, 1821 2 Superfamily Hominoidea Gray, 1825