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 Cricetinae Fischer de Waldheim, 1817 - hamsters
           Genus Cansumys Allen, 1928
             1 Cansumys canus G. M. Allen, 1928 - Gansu hamster