Class Mammalia Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855
       Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
         Subfamily Murinae Batsch, 1788 - Old World mice and rats
           Genus Mallomys Thomas, 1898 - giant tree rats
             1 Mallomys aroaensis (De Vis, 1907)
             2 Mallomys gunung Flannery et al., 1989
             3 Mallomys istapantap Flannery et al., 1989
             4 Mallomys rothschildi Thomas, 1898 - smooth-tailed giant rat