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
       Genus Bos Linnaeus, 1758 - oxen
         1 Bos gaurus H. Smith, 1827 - gaur see Bos frontalis gaurus H. Smith, 1827
         2 Bos frontalis Lambert, 1804 - domestic mithan see Bos frontalis Lambert, 1804
         3 Bos javanicus d'Alton, 1823 - banteng see Bos javanicus d'Alton, 1823
         4 Bos mutus (Przewalski, 1883) - yak see Bos grunniens mutus Przewalski, 1883
         5 Bos grunniens Linnaeus, 1766 - yak see Bos grunniens xxx
         6 Bos primigenius Bojanus, 1827 - aurochs see Bos taurus primigenius Bojanus, 1827
         7 Bos taurus Linnaeus, 1758 - aurochs and domestic cattle
         8 Bos indicus Linnaeus, 1758 - zebu see Bos taurus indicus Linnaeus, 1758
         9 Bos sauveli Urbain, 1937 - kouprey see Bos sauveli Urbain, 1937