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 Tupaia montana baluensis Lyon, 1913