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 Bovidae Gray, 1821 - antelope, cattle, bison, buffalo, goats, and sheep
                     1 Subfamily Bovinaeᵀ Gray, 1821
                     2 Subfamily Cephalophinae Gray, 1872
                     3 Subfamily Hippotraginae Retzius & Lovén, 1845
                     4 Subfamily Antilopinae Gray, 1821
                     5 Subfamily Caprinae Gray, 1821