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 Uromys Peters, 1867 - giant naked-tailed rats
             1 Uromys anak Thomas, 1907 - black-tailed tree rat
             2 Uromys caudimaculatus (Krefft, 1867) - giant white-tailed rat
             3 Uromys hadrourus (Winter, 1983) - Thornton Peak melomys
             4 Uromys imperator (Thomas, 1888)
             5 Uromys neobritanicus Tate & Archbold, 1935
             6 Uromys porculus Thomas, 1904
             7 Uromys rex (Thomas, 1888)
             8 Subgenus Uromys Peters, 1867
             9 Subgenus Cyromys