Kingdom [Animalia] Linnaeus, 1758 - animals
   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
       Subdivision Bilateralia
         Phylum Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Eutheria Gill, 1872 see Infraclass Eutheria Gill, 1872
                 Order Rodentia Bowdich, 1821 - rodents
                   Suborder Myomorpha Brandt, 1855 see Infraorder Myomorphi
                     Superfamily Muroidea Batsch, 1788
                       Family Cricetidae Fischer, 1817
                         Subfamily Microtinae see Subfamily Arvicolinae Gray, 1821
                           Tribe Microtini (Miller, 1896) Simpson, 1945 see Tribe Arvicolini Gray, 1821
                             Genus Microtus Schrank, 1798 - voles
                               Microtus agrestis (Linnaeus, 1761) - field vole
                               Microtus arvalis (Pallas, 1779) - common vole
                               Microtus brandti (Radde, 1861) see Microtus brandtii (Radde, 1861)
                               Microtus breweri (Baird, 1858) - beach vole
                               Microtus californicus (Peale, 1848) - California vole
                               Microtus chrotorrhinus (Miller, 1894) - rock vole
                               Microtus guentheri (Danford & Alston, 1880) - Gunther's vole
                               Microtus longicaudus (Merriam, 1888) - long-tailed vole
                               Microtus mexicanus (Saussure, 1861) - Mexican vole
                               Microtus miurus Osgood, 1901 - singing vole
                               Microtus nivalis (Martins, 1842) - snow vole see Chionomys nivalis (Martins, 1842)
                               Microtus ochrogaster (Wagner, 1842) - prairie vole
                               Microtus oeconomus (Pallas, 1776) - root vole
                               Microtus oregoni (Bachman, 1839) - creeping vole
                               Microtus pennsylvanicus (Ord, 1815) - meadow vole
                               Microtus richardsoni (de Kay, 1842) - American water vole
                               Microtus townsendi (Bachman, 1839) see Microtus townsendii (Bachman, 1839)
                               Microtus xanthognathus (Leach, 1815) - yellow-cheeked vole