Class [Mammalia] Linnaeus, 1758 - mammals
Status: extant
   Order Rodentia Bowdich, 1821 - rodents
  Status: extant
     Family Muridae Batsch, 1788 - rats, mice, hamsters, voles, lemmings, and gerbils
    Status: extant
       Subfamily Hesperomyinae Murray, 1866 - New-World mice and rats see Subfamily Sigmodontinae Wagner, 1843
      Status: extant
         01 Genus Oryzomys Baird, 1857 - rice rats
        Status: extant
         02 Genus Nesoryzomys Heller, 1904 - Galapagos rice rats
        Status: extant
         03 Genus ‡Megalomys Trouessart, 1881 - West Indian giant rice rats
        Status: extinct
         04 Genus Wiedomys Hershkovitz, 1959 - red-nosed mouse
        Status: extant
         05 Genus Neacomys Thomas, 1900 - bristly mice
        Status: extant
         06 Genus Scolomys Anthony, 1924 - spiny mouse
        Status: extant
         07 Genus Nectomys Peters, 1861 - Neotropical water rats
        Status: extant
         08 Genus Rhipidomys Tschudi, 1844 - climbing mice
        Status: extant
         09 Genus Thomasomys Coues, 1884 - Thomas's paramo mice
        Status: extant
         10 Genus Aepeomys Thomas, 1898
        Status: extant
         11 Genus Phaenomys Thomas, 1917 - Rio de Janeiro rice rat
        Status: extant
         12 Genus Chilomys Thomas, 1897 - Colombian forest mouse
        Status: extant
         13 Genus Tylomys Peters, 1866 - climbing rats
        Status: extant
         14 Genus Ototylomys Merriam, 1901 - big-eared climbing rat
        Status: extant
         15 Genus Nyctomys Saussure, 1860 - vesper rat
        Status: extant
         16 Genus Otonyctomys Anthony, 1932 - Yucatan vesper rat
        Status: extant
         17 Genus Rhagomys Thomas, 1917 - Brazilian arboreal mouse
        Status: extant
         18 Genus Reithrodontomys Giglioli, 1873 - American harvest mice
        Status: extant
         19 Genus Peromyscus Gloger, 1841 - white-footed mice
        Status: extant
         20 Genus Habromys Hooper & Musser, 1964 - crested-tailed deer mice and slender-tailed deer mice
        Status: extant
         21 Genus Isthmomys Hooper & Musser, 1964 - yellow deer mouse and Mount Pirri deer mouse
        Status: extant
         22 Genus Megadontomys Merriam, 1898 - Thomas's deer mouse
        Status: extant
         23 Genus Osgoodomys Hooper & Musser, 1964 - Michoacán deer mouse
        Status: extant
         24 Genus Podomys Osgood, 1909 - Florida mouse
        Status: extant
         25 Genus Ochrotomys Osgood, 1909 - golden mouse
        Status: extant
         26 Genus Baiomys True, 1894 - pygmy mice
        Status: extant
         27 Genus Onychomys Baird, 1857 - grasshopper mice
        Status: extant
         28 Genus Akodon Meyen, 1833 - South American field mice
        Status: extant
         29 Genus Bolomys Thomas, 1916
        Status: extant
         30 Genus Microxus Thomas, 1909 see Genus Akodon Meyen, 1833
        Status: extant
         31 Genus Zygodontomys Allen, 1897 - cane mice
        Status: extant
         32 Genus Podoxymys Anthony, 1929 - Mount Roraima mouse
        Status: extant
         33 Genus Lenoxus Thomas, 1909 - Andean rat
        Status: extant
         34 Genus Oxymycterus Waterhouse, 1837 - burrowing mice
        Status: extant
         35 Genus Juscelinomys Moojen, 1965
        Status: extant
         36 Genus Blarinomys Thomas, 1896 - Brazilian shrew-mouse
        Status: extant
         37 Genus Notiomys Thomas, 1890 - long-clawed mouse
        Status: extant
         38 Genus Geoxus Thomas, 1919 - long-clawed mole mouse
        Status: extant
         39 Genus Chelemys Thomas, 1903 - greater long-clawed mice
        Status: extant
         40 Genus Kunsia Hershkovitz, 1966 - South American giant rats
        Status: extant
         41 Genus Scapteromys Waterhouse, 1837 - water rat
        Status: extant
         42 Genus Bibimys Massoia, 1979 - crimson-nosed rats
        Status: extant
         43 Genus Scotinomys Thomas, 1913 - brown mice
        Status: extant
         44 Genus Calomys Waterhouse, 1837 - vesper mice
        Status: extant
         45 Genus Eligmodontia Cuvier, 1837 - highland desert mice
        Status: extant
         46 Genus Graomys Thomas, 1916
        Status: extant
         47 Genus Andalgalomys Williams & Mares, 1978 see Genus Graomys Thomas, 1916
        Status: extant
         48 Genus Pseudoryzomys Hershkovitz, 1959
        Status: extant
         49 Genus Phyllotis Waterhouse, 1837 - leaf-eared mice
        Status: extant
         50 Genus Auliscomys Osgood, 1915
        Status: extant
         51 Genus Irenomys Thomas, 1919 - Chilean rat
        Status: extant
         52 Genus Chinchillula Thomas, 1898 - Altiplano chinchilla mouse
        Status: extant
         53 Genus Punomys Osgood, 1943 - puna mouse
        Status: extant
         54 Genus Neotomys Thomas, 1894 - Andean swamp rat
        Status: extant
         55 Genus Reithrodon Waterhouse, 1837 - coney rat
        Status: extant
         56 Genus Euneomys Coues, 1874 - Patagonian chinchilla-mice
        Status: extant
         57 Genus Holochilus Brandt, 1835 - web-footed rats
        Status: extant
         58 Genus Sigmodon Say & Ord, 1825 - cotton rats
        Status: extant
         59 Genus Andinomys Thomas, 1902 - Andean mouse
        Status: extant
         60 Genus Neotomodon Merriam, 1898 - Mexican volcano mouse
        Status: extant
         61 Genus Neotoma Say & Ord, 1825 - woodrats
        Status: extant
         62 Genus Hodomys Merriam, 1894 - Allen's wood rat
        Status: extant
         63 Genus Nelsonia Merriam, 1897 - Nelson's wood rat
        Status: extant
         64 Genus Xenomys Merriam, 1892 - Magdalena rat
        Status: extant
         65 Genus Ichthyomys Thomas, 1893 - fish-eating rats
        Status: extant
         66 Genus Anotomys Thomas, 1906 - fish-eating rat
        Status: extant
         67 Genus Chibchanomys Voss, 1988 - Chibchan water mouse
        Status: extant
         68 Genus Rheomys Thomas, 1906 - water mice
        Status: extant
         69 Genus Neusticomys Anthony, 1921 - fish-eating rats
        Status: extant