Some North American Microtus -species after Repenning, 1983
<==o Microtus Schrank, 1798 sensu lato; U.Plioc.-R. As. Eu. NA., R. Af. CA. (voles; myyrät) [taxonomic history] |--o Phaiomys [†Allophaiomys Kormos, 1933; Microtus (Phaiomys)] | |?- P. leucurus (lumimyyrä) | |-- P. umbrosus Merriam, 1898 ()? [Microtus umbrosus] | `--o ?†(Allophaiomys) Kormos, 1933 | |-- †P. pliocaenicus (Kormos, 1933) | `-- †P. guildayi (van der Maulen, 1978) `--+--o Pitymys McMurtie, 1831 [Pedomys Baird, 1858; Herpetomys Merriam, 1898; Microtus (Pitymys) McMurtie, 1831] ()? | |?- †P. henseli | |?- P. ludoviacus | |--+-- †P. cumberlandensis (van der Maulen, 1978) | | `--+-- P. guatemalensis Merriam, 1898 ()? | | `-- P. oaxacensis Goodwin, 1966 ()? | `--+-- †P. meadensis (Hibbard, 1944) | `--+-- P. quasiater (Coues, 1874) (Cuidad de Mexicon tunnelimyyrä??) | `--+--+-- †P. llanensis (Hibbard, 1944) | | `-- P. ochrogaster (Wagner, 1842) (preeriamyyrä) | `--+?- †P. aratai (Martin, 1974) | |?- †P. hibbardi (Holman, 1959) | |-- †P. mcnowni Hibbard, 1937 [+ P. aratai, P. hibbardi, synon. to P. nemoralis?] | `--o P. pinetorum -species-group | |-- P. pinetorum (Le Conte, 1830) (amerikantunnelimyyrä) | |-- P. nemoralis ()? | `-- P. parvulus ()? `--+--+-- †Microtus paroperarius | `-- Microtus oeconomus (lapinmyyrä) `-- Microtus Schrank, 1798 sensu stricto?; U.Plioc.-R. As. Eu. NA., R. Af. CA. (voles; myyrät) [taxonomic history]
Reference(s):
- Martin, R. A., 1987: Notes on the classification and evolution of some North American fossil Microtus (Mammalia: Rodentia).
–Journal of Vertebrate Paleontology: Vol. 7, #3, pp. 270-283 - Martin, R. A., 1989: Arvicolid rodents of the Early Pleistocene Java local fauna
from north-central South Dakota.
–Journal of Vertebrate Paleontology: Vol. 9, #4, pp. 438-450 - Martin, R. A., 1995: A new Middle Pleistocene species of Microtus (Pedomys) from
the southern United States, with comments on the taxonomy and early evolution of Pedomys and Pitymys of North America.
–Journal of Vertebrate Paleontology: Vol. 15, #1, pp. 171-186 - Nowak, R. M., 1991: Walker's Mammals of the World; Part 1.
–The Johns Hopkins University Press, Baltimore and London, 1991. xlviii-642-lxiii. - Nowak, R. M., 1991: Walker's mammals of the World; Part 2.
–The Johns Hopkins University Press, Baltimore and London, 1991, xii-643-1629 - Repenning, C. A. 1983: Pitymys meadensis Hibbard from the Valley of Mexico and the classification of North American species of Pitymys (Rodentia: Cricetidae)
–Journal of Vertebrate Paleontology: vol. 2, #4,, pp. 471-482.