Class [Mammalia] Linnaeus, 1758 - mammals Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997 Family Tayassuidae Palmer, 1897 (1849) - peccaries 1 Genus Tayassu Fischer de Waldheim, 1814 - collared and white-lipped peccaries 2 Genus Catagonus Ameghino, 1904 - Chacoan peccary