Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Carnivora Bowdich, 1821 - carnivores
       Suborder Caniformia Kretzoi, 1943
         Family Ursidae Batsch, 1788 - bears
           Genus Helarctos Horsfield, 1825 [monotypic] - Malayan sun bear
             Helarctos malayanus (Raffles, 1821) - sun bear
               1 [Helarctos malayanus malayanus] (Raffles, 1821)
               2 Helarctos malayanus euryspilus Horsfield, 1825