Kingdom [Animalia] Linnaeus, 1758 - animals Phylum Chordata Bateson, 1885 - chordates Subphylum Vertebrata Cuvier, 1812 - vertebrates Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Infraclass Eutheria Gill, 1872 Order Perissodactyla Owen, 1848 - odd-toed ungulates Suborder †Ancylopoda Cope, 1889 see Superfamily Chalicotherioidea Gill, 1872