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 Diceros Gray, 1821 [monotypic] - black rhinoceros
             Diceros bicornis (Linnaeus, 1758) - black rhinoceros
               Diceros bicornis chobiensis Zukowsky, 1965