Class [Mammalia] Linnaeus, 1758 - mammals
   Order Rodentia Bowdich, 1821 - rodents
     Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
       Subfamily Arvicolinae Gray, 1821 - voles
         01 Genus Dicrostonyx Gloger, 1841 - collared lemmings
         02 Genus Synaptomys Baird, 1857 - bog lemmings
         03 Genus Myopus Miller, 1910 - wood lemming
         04 Genus Lemmus Link, 1795 - true lemmings
         05 Genus Clethrionomys Tilesius, 1850 - red-backed mice
         06 Genus Eothenomys Miller, 1896 - Père David's voles
         07 Genus Alticola Blanford, 1881 - high mountain voles
         08 Genus Hyperacrius Miller, 1896 - Kashmir voles and Punjab voles
         09 Genus Dinaromys Kretzoi, 1955 - Martino's snow vole
         10 Genus Arvicola Lacépède, 1799 - water voles
         11 Genus Ondatra Link, 1795, nom. nud. - muskrat
         12 Genus Neofiber True, 1884 - round-tailed muskrat
         13 Genus Phenacomys Merriam, 1889 - heather vole
         14 Genus Pitymys McMurtrie, 1831 - pine voles see Genus Microtus Schrank, 1798
         15 Genus Microtus Schrank, 1798 - voles
         16 Genus Lemmiscus Thomas, 1912 - sagebrush vole
         17 Genus Lagurus Gloger, 1841 - steppe lemmings
         18 Genus Eolagurus Argyropulo, 1946 - yellow steppe lemmings
         19 Genus Prometheomys Satunin, 1901 - long-clawed mole-vole
         20 Genus Ellobius Fischer de Waldheim, 1814 - mole-voles