Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Craniata Linnaeus, 1758 see Subphylum Craniata auct.
     Class Mammalia Linnaeus, 1758 - mammals
       Subclass Theria Parker & Haswell, 1897
         Infraclass Placentalia Owen, 1837 see Cohort Placentalia Owen, 1837
           Order Rodentia Bowdich, 1821 - rodents
             Suborder Myomorpha Brandt, 1855 see Infraorder Myomorphi
               Superfamily Muroidea Batsch, 1788
                 1 Family Platacanthomyidae Alston, 1876
                 2 Family Spalacidae Gray, 1821
                 3 Family Calomyscidae Vorontsov & Potapova, 1979
                 4 Family Nesomyidae Forsyth Major, 1897
                 5 Family Cricetidae Fischer, 1817
                 6 Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils