Class Mammalia Linnaeus, 1758 - mammals
   Subclass Theria Parker & Haswell, 1897
     Order Scandentia Wagner, 1855 - tree shrews
       Family Tupaiidae Gray, 1825 - tree shrews
         Genus Tupaia Raffles, 1821 - tree shrews
           Tupaia montana Thomas, 1892 - mountain tree shrew
             1 [Tupaia montana montana]ᵀ Thomas, 1892
             2 Tupaia montana baluensis Lyon, 1913