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 Cricetulus Milne-Edwards, 1867 - dwarf hamsters
             1 Cricetulus alticola Thomas, 1917 - Ladak hamster
             2 Cricetulus barabensis (Pallas, 1773) - striped hamster
             3 Cricetulus kamensis Satunin, 1903 - Tibetan hamster
             4 Cricetulus longicaudatus (Milne-Edwards, 1867) - lesser long-tailed hamster
             5 Cricetulus migratorius (Pallas, 1773) - grey hamster
             6 Cricetulus sokolovi Orlov & Malygin, 1988