Phylum Chordata Bateson, 1885 - chordates Count: - Subphylum Vertebrata Cuvier, 1812 - vertebrates Count: - Class Mammalia Linnaeus, 1758 - mammals Count: - Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997 Count: [*] 8f; †21f Family †Dichobunidae Turner, 1849 Count: -