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 Raphiceros see Genus Raphicerus Hamilton Smith, 1827
         1 Raphiceros campestris Thunberg, 1811 - steenbok see Raphicerus campestris (Thunberg, 1811)
         2 Raphiceros melanotis Thunberg, 1811 - Cape grysbok see Raphicerus melanotis (Thunberg, 1811)
         3 Raphiceros sharpei Thomas, 1896[1897] - Sharpe's grysbok see Raphicerus sharpei Thomas, 1896[1897]