Class Mammalia Linnaeus, 1758 - mammals Subclass Theria Parker & Haswell, 1897 Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997 Family Suidae Gray, 1821 - pigs Genus Babyrousa Perry, 1811 - babirusa Babyrousa celebensis (Deninger, 1909)