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
       Subfamily Bovinae Gray, 1821
         Genus Bos Linnaeus, 1758 - oxen
           1 Bos frontalis Lambert, 1804 - domestic mithan see Bos frontalis Lambert, 1804
           2 Bos grunniens Linnaeus, 1766 - yak see Bos grunniens xxx
           3 Bos javanicus d'Alton, 1823 - banteng see Bos javanicus d'Alton, 1823
           4 Bos sauveli Urbain, 1937 - kouprey see Bos sauveli Urbain, 1937
           5 Bos taurus Linnaeus, 1758 - aurochs and domestic cattle