Class Mammalia Linnaeus, 1758 - mammals
   Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
     Family Bovidae Gray, 1821 - antelope, cattle, bison, buffalo, goats, and sheep
       1 Subfamily Aepycerotinae Gray, 1872 see Tribe Aepycerotini Gray, 1872
       2 Subfamily Alcelaphinae Rochebrune, 1883
       3 Subfamily Antilopinae Gray, 1821
       4 Subfamily Bovinae Gray, 1821
       5 Subfamily Caprinae Gray, 1821
       6 Subfamily Cephalophinae Gray, 1872
       7 Subfamily Hippotraginae Retzius & Lovén, 1845
       8 Subfamily Peleinae Gray, 1872 see Tribe Peleini Gray, 1872
       9 Subfamily Reduncinae Lydekker & Blaine, 1914 see Tribe Reduncini Lydekker & Blaine, 1914