Class Mammalia Linnaeus, 1758 - mammals
   Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
     01 Family Suidae Gray, 1821 - pigs
     02 Family Tayassuidae Palmer, 1897 (1849) - peccaries
     03 Family Hippopotamidae Gray, 1821 - hippopotamuses
     04 Family Camelidae Gray, 1821 - camels, guanaco, llama, alpaca, and vicuña
     05 Family Tragulidae Milne-Edwards, 1864 - chevrotains
     06 Family Giraffidae Gray, 1821 - okapi and giraffe
     07 Family Moschidae Gray, 1821 - musk deer
     08 Family Cervidae Batsch, 1788 - deer
     09 Family Antilocapridae Gray, 1866 - pronghorn
     10 Family Bovidae Gray, 1821 - antelope, cattle, bison, buffalo, goats, and sheep