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 Hippotragus Sundevall, 1846 - roan and sable antelope
         1 Hippotragus equinus (Desmarest, 1804) - Roan antelope
         2 ‡Hippotragus leucophaeus (Pallas, 1766) - blue buck
         3 Hippotragus niger (Harris, 1838) - sable antelope