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 Bison Smith, 1827 - bison
           1 Bison bison (C. Linnaeus, 1758) - bison
           2 Bison bonasus (C. Linnaeus, 1758) - European bison