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 Hippotraginae Retzius & Lovén, 1845
         Genus Oryx Blainville, 1816 - oryx and gemsbok
           Oryx gazella (C. Linnaeus, 1758) - gemsbok