Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Perissodactyla Owen, 1848 - odd-toed ungulates
       Family Rhinocerotidae Gray, 1821 - rhinoceroses
         Subfamily [Rhinocerotinae] Gray, 1821
           Genus Ceratotherium Gray, 1868 [monotypic] - white rhinoceros
             Ceratotherium simum (Burchell, 1817) - white rhinoceros
               Ceratotherium simum cottoni (Lydekker, 1908)