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 Geomyoidea Bonaparte, 1845
                           1 Family †Eomyidae Winge, 1887
                           2 Family †Florentiamyidae Wood, 1936
                           3 Family Geomyidae Bonaparte, 1845 - pocket gophers
                           4 Family Heteromyidae Gray, 1868 - pocket mice, kangaroo rats, and kangaroo mice