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 michaeli Zukowsky, 1965