Class Mammalia Linnaeus, 1758 - mammals
Subclass Theria Parker & Haswell, 1897
Infraclass Eutheria Gill, 1872
Cohort Ferungulata
Superorder Paraxonia (Marsh, 1884)
Order Artiodactyla Owen, 1848 - even-toed ungulates
see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
Suborder Ruminantia Scopoli, 1777
Infraorder Pecora Linnaeus, 1758
Superfamily Bovoidea Gray, 1821
Family Antilocapridae Gray, 1866 - pronghorn