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 Dicerorhinus Gloger, 1841 [monotypic] - Sumatran rhinoceros
             Dicerorhinus sumatrensis (Fischer, 1814) - Sumatran rhinoceros
               1 [Dicerorhinus sumatrensis sumatrensis] (Fischer, 1814)
               2 Dicerorhinus sumatrensis harrissoni Groves, 1965
               3 ‡Dicerorhinus sumatrensis lasiotis (Buckland, 1872)