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 Melursus Meyer, 1793 [monotypic] - sloth bear
             Melursus ursinus (Shaw, 1791) - sloth bear
               1 [Melursus ursinus ursinus] (Shaw, 1791)
               2 Melursus ursinus inornatus Pucheran, 1855