This mentioned taxonomy is an attempt to make an conclusive assignment from the different classifications of various scientists. Because the taxonomy may change due to the latest investigative methods and other findings, our map is a guide only.
L. Rekovets, 2014 - Vertebrates from the Middle Pleistocene locality Lysa Gora 1 in Ukraine - Quaternary International (326-327), 481-491 (journal article, English)
T. Galewski, 2006 - The evolutionary radiation of Arvicolinae rodents (voles and lemmings): relative contribution of nuclear and mitochondrial DNA phylogenies - BMC Evolutionary Biology (6), - (journal article, English)
C. J. Bell, 2006 - Description and significance of the Microtus (Rodentia : Arvicolinae) from the type Irvington fauna, Alameda County, California - Journal of Vertebrate Paleontology (26), 371-380 (journal article, English)
K. L. Seymour, 2004 - Pleistocene vertebrates from the pre-late Wisconsinan Mill Creek site, St. Clair County, Michigan - Michigan Academician (36), 181-211 (journal article, English)
J. E. Storer, 2004 - A Middle Pleistocene (late Irvingtonian) mammalian fauna from Thistle Creek, Klondike Goldfields region of Yukon Territory, Canada - Paludicola (4), 137-150 (journal article, English)
J. Alroy, 2002 - Synonymies and reidentifications of North American fossil mammals - (), - (unpublished, English)
A. J. van der Meulen, 2001 - The Early Biharian rodent fauna from Tourkoubounia 2 - Lynx ns (32), 255-277 (journal article, English)
L. B. Albright, 1999 - Biostratigraphy and Vertebrate Paleontology of the San Timoteo Badlands, Southern California - University of California Publications in Geological Sciences (144), 1-121 (journal article, English)
D. A. Guthrie, 1998 - Fossil vertebrates from Pleistocene terrestrial deposits on the norhtern Channel Islands, Southern California - American Association of Petroleum Geologists, Pacific Section MP (45), 187-192 (journal article, English)
M. C. McKenna, 1997 - - Classification of Mammals Above the Species Level (), 1-640 (book, English)
R. A. Martin, 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 in North America - Journal of Vertebrate Paleontology (15), 171-186 (journal article, English)
R. A. Martin, 1987 - Notes on the Classification and Evolution of Some North American Fossil Microtus (Mammalia; Rodentia) - Journal of Vertebrate Paleontology (7), 270-283 (journal article, English)
C. A. Repenning, 1983 - Pitymys meadensis Hibbard from the Valley of Mexico and the classification of North American species of Pitymys (Rodentia: Cricetidae) - Journal of Vertebrate Paleontology (2), 471-482 (journal article, English)
E. R. Hall, 1981 - - The Mammals of North America (), 1-1181 (book, English)
L. M. Reich, 1981 - Microtus pennsylvanicus - Mammalian Species (159), 1-8 (journal article, English)
B. Kurten, 1980 - - Pleistocene mammals of North America (), 1-442 (book, English)
Z.-h. Zhang, 1980 - The discovery of fossil mammals at Anping, Liaoyang - Vertebrata PalAsiatica (18), 154-162 (journal article, Chinese)
A. J. van der Meulen, 1978 - Microtus and Pitymys (Arvicolidae) from Cumberland Cave, Maryland, with a comparison of some New World and Old World species - Annals of Carnegie Museum (47), 110-145 (journal article, English)
J. Ayarzaguena, 1976 - Estudio filogenetico y comparativo de Microtus cabrerae y Microtus brecciensis; A phylogenetic and comparative study of Microtus cabrerae and Microtus brecciensis - Donana, Acta Vertebrata (3), 181-204 (journal article, Spanish)
R. A. Martin, 1974 - Fossil mammals from the Coleman IIA fauna, Sumter County - Pleistocene Mammals of Florida (), 35-99 (book/book chapter, English)
G. Crile, 1940 - A record of the body weight and certain organ and gland weights of 3690 animals - Ohio Journal of Science (40), 219-259 (journal article, English)
C. W. Hibbard, 1937 - A New Pitymys from the Pleistocene of Kansas - Journal of Mammalogy (18), - (journal article, English)
E. R. Hall, 1931 - Description of a New Mustelid from the Later Tertiary of Oregon, with Assignment of Parictis Primaevus to the Canidae - Journal of Mammalogy (12), 156-158 (journal article, English)
O. Thomas, 1911 - The Mammals of the Tenth Edition of Linnaeus; an Attempt to fix the Types of the Genera and the exact Bases and Localities of the Species - Proceedings of the Zoological Society of London (81), 120-158 (journal article, English)
C. L. Herrick, 1892 - The mammals of Minnesota: a scientific and popular account of their features and habits - Geological and Natural History Survey of Minnesota Bulletin (7), 1-320 (serial monograph, English)
C. Linnaeus, 1758 - - Systema Naturae per Regna Tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis. Editio Decima (1), 1-824 (book, other)