Vertebrata Cuvier, 1812 - vertebrates
   Gnathostomata
     Teleostomi
       Tetrapoda Hatschek & Cori 1896 [Gauthier, Kluge & Rowe 1988]
         Amniota Haeckel, 1866 [Gauthier, Kluge & Rowe 1988] - amniotes
           Class Mammalia Linnaeus, 1758 - mammals
             Subclass Theria Parker & Haswell, 1897
               Theria of Metatherian-Eutherian grade
                 Infraclass Eutheria Gill, 1872
                   Order Rodentia Bowdich, 1821 - rodents
                     Suborder Sciurognathi (Tullberg, 1899) see Suborder Sciuromorpha Brandt, 1855
                       Infraorder Myomorpha Brandt, 1855 see Suborder Myomorpha Brandt, 1855
                         Superfamily Muroidea Batsch, 1788
                           1 Family Cricetidae Fischer, 1817
                           2 Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils