Class [Mammalia] Linnaeus, 1758 - mammals
   Order Perissodactyla Owen, 1848 - odd-toed ungulates
     Family Rhinocerotidae Gray, 1821 - rhinoceroses
       Genus Rhinoceros Linnaeus, 1758 - Asian one-horned rhinoceroses
         1 Rhinoceros sondaicus Desmarest, 1822 - Javan rhinoceros
         2 Rhinoceros unicornis Linnaeus, 1758 - Indian rhinoceros