Adkins, R. M., Walton, A. H., and Honeycutt, R. L. (2002). Higher level systematics of rodents and divergence time estimates based on two congruent nuclear genes. Molecular Phylogenetics and Evolution, 26, 409–20.CrossRefGoogle Scholar

Akersten, W. A. (1988). Affinities of “Pliosaccomys” and “Parapliosaccomys” from the Great Plains. Journal of Vertebrate Paleontology, 8(suppl. to no. 3), p. 8A.Google Scholar

Albright, L. B. (1996). Insectivores, rodents, and carnivores of the Toledo Bend local fauna: an Arikareean (earliest Miocene) assemblage from the Texas Coastal Plain. Journal of Vertebrate Paleontology 16, 458–73.CrossRefGoogle Scholar

(2000). Biostratigraphy and vertebrate paleontology of the San Timoteo Badlands, Southern California. University of California Publications in Geological Sciences, 144, 1–121.

Bailey, B. (1999). New Arikareean/Hemingfordian micromammal faunas from western Nebraska and their biostratigraphic significance. Journal of Vertebrate Paleontology, 19(suppl. to no. 3), pp. 30A–31A.Google Scholar

Barnosky, A. D.(1986a). Arikareean, Hemingfordian, and Barstovian mammals from the Miocene Colter Formation, Jackson Hole, Teton County, Wyoming. Bulletin of the Carnegie Museum of Natural History 26, 1–69.Google Scholar

(1986b). New species of the Miocene rodent Cupidinimus (Heteromyidae) and some evolutionary relationships within the genus. Journal of Vertebrate Paleontology, 6, 46–64.CrossRef

Baskin, J. A. (1979). Small mammals of the Hemphillian age White Cone local fauna, northeastern Arizona. Journal of Paleontology, 53, 695–708.Google Scholar

Becker, J. J. and White, J. A. (1981). Late Cenozoic geomyids (Mammalia, Rodentia) from the Anza Borrego Desert, southern California. Journal of Vertebrate Paleontology, 1, 211–18.CrossRefGoogle Scholar

Black, C. C. (1961). New rodents from the early Miocene deposits of Sixty-Six Mountain, Wyoming. Breviora, Museum of Comparative Zoology, 146, 1–7.Google Scholar

Black, C. C. and Stephens, J. J. III (1973). Rodents from the Paleogene of Guanajuato, Mexico. Occasional Papers of the Museum of Texas Technical University, 14, 1–10.Google Scholar

Bonaparte, C. L. P. (1845). Catologo Metodico dei Mammiferi Europe. Milano: Giacomo Pirola.Google Scholar

Brown, J. H. (1984). Desert rodents: a model system. Acta Zoologica Fennica, 172, 45–9.Google Scholar

Cook,, J. A., Lessa,, E. P., and Hadly,, E. H. (2000). Paleontology, phylogenetic patterns, and macroevolutionary processes in subterranean rodents. In Life Underground: The Biology of Subterranean Rodents, ed. Lacey, E. A., Patton, J. L., and Cameron, G. N., pp. 332–69. Chicago, IL: University of Chicago Press.Google Scholar

Cope, E. D. (1873). Synopsis of new Vertebrata from the Tertiary of Colorado. United States Geological Survey of the Territories, pp. 1–19. Washington, DC: Government Printing Office.Google Scholar

Cope, E. D. (1878). Description of new extinct vertebrates from the upper Tertiary and Dakota formations. Bulletin of the United States Geological and Geographical Survey, 4, 379–96.Google Scholar

Cope, E. D. (1881). Review of the Rodentia of the Miocene period of North America. Bulletin of the United States Geological and Geographical Survey, 6, 361–86.Google Scholar

Coues,, E. (1875). A critical review of North American Saccomyidae. Proceedings of the National Academy of Science, Philadelphia, 27, 272–327.Google Scholar

Dalquest, W. W. (1978). Early Blancan mammals of the Beck Ranch Local Fauna of Texas. Journal of Mammalogy, 59, 269–98.CrossRefGoogle Scholar

Dalquest, W. W. (1983). Mammals of the Coffee Ranch Local Fauna, Hemphillian of Texas. The Pearce-Sellards Series, Texas Memorial Museum, 38, 1–41.Google Scholar

Dalquest, W. W. and Carpenter, R. M. (1986). Dental characters of some fossil and Recent kangaroo rats, with description of a new species of Pleistocene Dipodomys. Texas Journal of Science, 38, 251–63.Google Scholar

Dalquest, W. W. and Patrick, D. B. (1989). Small mammals from the early and medial Hemphillian of Texas, with descriptions of a new bat and gopher. Journal of Vertebrate Paleontology, 9, 78–88.CrossRefGoogle Scholar

Dorr, J. A. (1956). Anceny local mammal fauna, latest Miocene, Madison Valley Formation, Montana. Journal of Paleontology, 30, 62–74.Google Scholar

Downs, T. (1956). The Mascall fauna from the Miocene of Oregon. University of California Publications in Geological Sciences, 31, 199–354.Google Scholar

Emry, R. J. (1972). A new heteromyid rodent from the early Oligocene of Natrona County, Wyoming. Proceedings of the Biological Society of Washington, 85, 179–90.Google Scholar

Flynn, L. J. (2006). Evolution of the Diatomyidae, an endemic Asian family of rodents. Vertebrata PalAsiatica, 44, 182–92.Google Scholar

Franzen, D. S. (1947). The pocket gopher, Geomys quinni McGrew, in the Rexroad Fauna, Blancan Age, of southwestern Kansas. Transactions Kansas Academy of Science, 50, 55–9.CrossRefGoogle Scholar

Fries, C., Hibbard, C. W.Jr., and Dunkle, D. H. (1955). Early Cenozoic vertebrates in the red conglomerate at Guanajuato, Mexico. Smithsonian Miscellaneous Collections, 123, 1–25.Google Scholar

Galbreath, E. C. (1948). A new species of heteromyid rodent from the middle Oligocene of northeast Colorado with remarks on the skull. University of Kansas Publications, Museum of Natural History, 1, 285–95.Google Scholar

Gawne, C. E. (1975). Rodents from the Zia Sand Miocene of New Mexico. American Museum Novitates, 2586, 1–25.Google Scholar

Gazin, L. (1930). A Tertiary vertebrate fauna from the upper Cuyama drainage basin, California. Carnegie Institution of Washington, Contributions in Paleontology, 404, 55–76.Google Scholar

Gazin, L. (1932). A new Miocene mammalian fauna from southeastern Oregon. Carnegie Institution of Washington, Contributions in Paleontology, 418, 39–86.Google Scholar

Gazin, L. (1942). The late Cenozoic vertebrate faunas from the San Pedro Valley, Arizona. Proceedings of the United States National Museum, 92, 475–518.CrossRefGoogle Scholar

Gidley, J. W. (1922). Preliminary report on fossil vertebrates of the San Pedro Valley, Arizona, with descriptions of new species of rodents and lagomorphs. United States Geological Survey Professional Paper, 131, 119–31.Google Scholar

Gray, J. E. (1841). A new genus of Mexican glirine Mammalia. Annals and Magazine of Natural History, Series 1, 7, 521–2.Google Scholar

Gray, J. E. (1868). Synopsis of the species of Saccomyinae, or pouched mice, in the collection of the British Museum. Proceedings of the Zoological Society of London, 1868, 199–206.Google Scholar

Green, M. (2002). Variation in Black Bear Quarry II (Hemingfordian, South Dakota) Proheteromys (Geomyoidea: Mammalia) with comments on Mookomys. Institute for Tertiary–Quaternary Studies, TER-QUA, Symposium Series, 3, 187–94.Google Scholar

Green, M. and Bjork, P. R. (1980). On the genus Dikkomys (Geomyoidea, Mammalia). Palaeovertebrata, Mémoire Jubilaire, Réné Lavocat, 1, 343–53.Google Scholar

Hall, E. R. (1930). Rodents and lagomorphs from the later Tertiary of Fish Lake Valley, Nevada. University of California Publications in Geological Sciences, 19, 295–312.Google Scholar

Harris, J. M. and Wood, A. E. (1969). A new genus of eomyid rodent from the Oligocene Ash Spring local fauna of Trans-Pecos Texas. The Pearce-Sellards Series, Texas Memorial Museum, 14, 1–7.Google Scholar

Hatt, R. T. (1932). The vertebral column of ricochetal rodents. Bulletin of American Museum of Natural History 63, 599–738.Google Scholar

Hay, O. P. (1927). The Pleistocene of the western region of North America and its vertebrate animals. Carnegie Institution of Washington, Contributions in Paleontology, 322B, 1–346.Google Scholar

Hibbard,, C. W. (1937). Additional fauna of Edson Quarry of the Middle Pliocene of Kansas. The American Midland Naturalist, 18, 460–4.CrossRefGoogle Scholar

(1939). Notes on additional fauna of Edson Quarry of the middle Pliocene of Kansas. Transactions of the Kansas Academy of Science, 42, 457–62.

Hibbard, C. W. (1941). New mammals from the Rexroad fauna, upper Pliocene of Kansas. The American Midland Naturalist, 26, 337–68.CrossRefGoogle Scholar

Hibbard, C. W. (1943). Etadonomys, a new Pleistocene heteromyid rodent, and notes on other Kansas mammals. Transactions of the Kansas Academy of Science, 46, 185–91.CrossRefGoogle Scholar

Hibbard, C. W. (1944). Stratigraphy and vertebrate paleontology of Pleistocene deposits of southwestern Kansas. Bulletin of the Geological Society of America, 55, 707–54.CrossRefGoogle Scholar

Hibbard, C. W. (1949). Pliocene Saw Rock Canyon fauna in Kansas. Contributions from the Museum of Paleontology, University of Michigan, 7, 91–105.Google Scholar

Hibbard, C. W. (1950). Mammals of the Rexroad Formation from Fox Canyon, Kansas. Contributions from the Museum of Paleontology, University of Michigan, 8, 113–92.Google Scholar

Hibbard, C. W. (1954). A new Pliocene vertebrate fauna from Oklahoma. Papers of the Michigan Academy of Science, Arts, and Letters, 39, 339–59.Google Scholar

Hibbard, C. W. (1962). Two new rodents from the early Pleistocene of Idaho. Journal of Mammalogy, 43, 482–5.CrossRefGoogle Scholar

Hibbard, C. W. (1967). New rodents from the late Cenozoic of Kansas. Papers of the Michigan Academy of Science, Arts, and Letters, 52, 115–31.Google Scholar

Hibbard, C. W. and Keenmon, K. A. (1950). New evidence of the lower Miocene age of the Blacktail Deer Creek Formation in Montana. Contributions from the Museum of Paleontology, University of Michigan, 8, 193–204.Google Scholar

Hibbard, C. W. and Riggs, E. S. (1949). Upper Pliocene vertebrates from Keefe Canyon, Meade County, Kansas. Bulletin of the Geological Society of America, 60, 829–60.CrossRefGoogle Scholar

Hibbard, C. W. and Wilson, J. A. (1950). A new rodent from subsurface stratus in Bee County, Texas. Journal of Paleontology, 24, 621–3.Google Scholar

Honey, J. G., Peláez-Campomanes, P., and Martin, R. A. (2005). Stratigraphic framework of Early Pliocene fossil localities along the North bank of the Cimarrron River, Meade County, Kansas. Ameghiniana42, 461–72.Google Scholar

Huchon, D., Madsen, O., Sibbald, M. J. J. B., et al. (2002). Rodent phylogeny and a timescale for the evolution of Glires: evidence from an extensive taxon sampling using three nuclear genes. Molecular Biology and Evolution, 19, 1053–65.CrossRefGoogle Scholar

Jacobs, L. L. (1977). Rodents of the Hemphillian age Redington local fauna, San Pedro Valley, Arizona. Journal of Paleontology, 51, 505–19.Google Scholar

James, G. T. (1963). Paleontology and nonmarine stratigraphy of the Cuyama Valley Badlands, California. University of California Publications in Geological Sciences, 45, 1–145.Google Scholar

Kalthoff, D. (2000). Die Schmelzmikrostruktur in den Incisiven der hamsterartigen Nagetiere und anderer Myomorpha (Rodentia, Mammalia). Palaeontographica A, 259, 1–193.Google Scholar

Kellogg, L. (1910). Rodent fauna of the late Tertiary beds at Virgin Valley and Thousand Creek, Nevada. University of California Publications in Geological Sciences, 5, 421–37.Google Scholar

Kelly, T. S. (1992). New Uintan and Duchesnean (Middle and Late Eocene) rodents from the Sespe Formation, Simi Valley, California. Bulletin of the Southern California Academy of Science, 91, 97–120.Google Scholar

Kelly, T. S. (1994). Two Pliocene (Blancan) vertebrate faunas from Douglas County, Nevada. PaleoBios, 16, 1–23.Google Scholar

Korth, W. W. (1979). Geomyoid rodents from the Valentine Formation of Knox County, Nebraska. Annals of the Carnegie Museum, 48, 287–310.Google Scholar

Korth, W. W. (1987). New rodents (Mammalia) from the late Barstovian (Miocene) Valentine Formation, Nebraska. Journal of Paleontology, 61, 1058–64.CrossRefGoogle Scholar

Korth, W. W. (1989). Geomyoid rodents from the Orellan (middle Oligocene) of Nebraska. [In Papers on Fossil Rodents in Honor of Albert Elmer Wood, ed. Black, C. C. and Dawson, M. R..] Los Angeles: Science Series, Natural History Museum of Los Angeles County, 33, 31–46.Google Scholar

Korth, W. W. (1992). Fossil small mammals from the Harrison Formation (Late Arikareean: earliest Miocene), Cherry County, Nebraska. Annals of the Carnegie Museum, 61, 69–131.Google Scholar

Korth, W. W. (1993a). The skull of Hitonkala (Florentiamyidae, Rodentia) and relationships within Geomyoidea. Journal of Mammalogy, 74, 168–74.CrossRefGoogle Scholar

Korth, W. W. (1993b). A review of the Oligocene (Orellan and Arikareean) genus Tenudomys Rensberger (Geomyoidea: Rodentia). Journal of Vertebrate Paleontology, 13, 335–41.CrossRefGoogle Scholar

Korth, W. W. (1994). The Tertiary Record of Rodents in North America. New York: Plenum Press.CrossRefGoogle Scholar

Korth, W. W. (1995a). The skull and upper dentition of Heliscomys senex Wood (Heliscomyidae: Rodentia). Journal of Paleontology, 69, 191–4.CrossRefGoogle Scholar

Korth, W. W. (1995b). A new heteromyid rodent (Mammalia) from the Barstovian (Miocene) of Saskatchewan. Canadian Journal of Earth Science, 32, 21–3.CrossRefGoogle Scholar

Korth, W. W. (1995c). Rodents from the late Hemphillian (latest Miocene), Sioux County, Nebraska. Transactions of the Nebraska Academy of Sciences, 22, 87–92.Google Scholar

Korth, W. W. (1996a). Geomyoid rodents (Mammalia) from the Bijou Hills, South Dakota (Barstovian, Miocene). Contributions to Geology, University of Wyoming, 31, 49–55.Google Scholar

Korth, W. W. (1996b). A new species of Pleurolicus (Rodentia, Geomyidae) from the early Miocene (Arikareean) of Nebraska. Journal of Vertebrate Paleontology, 16, 781–4.CrossRefGoogle Scholar

Korth, W. W. (1997). A new subfamily of primitive pocket mice (Rodentia, Heteromyidae) from the middle Tertiary of North America. Paludicola, 1, 33–66.Google Scholar

Korth, W. W. (1998). Cranial morphology of two Tertiary pocket mice, Perognathus and Cupidinimus (Rodentia, Heteromyidae). Paludicola 1, 132–42.Google Scholar

Korth, W. W. and Chaney, D. S. (1999). A new subfamily of geomyoid rodents (Mammalia) and a possible origin of Geomyidae. Journal of Paleontology, 73, 1191–200.CrossRefGoogle Scholar

Korth, W. W. and Eaton, J. G. (2004). Rodents and a marsupial (Mammalia) from the Duchesnean (Eocene) Turtle Basin local fauna, Sevier Plateau, Utah. Bulletin of the Carnegie Museum of Natural History, 36, 109–19.CrossRefGoogle Scholar

Korth, W. W. and Reynolds, R. E. (1994). A hypsodont gopher (Rodentia, Geomyidae) from the Clarendonian (Miocene) of California. San Bernardino County Museum Association, Special Publication, 94, 91–5.Google Scholar

Korth, W. W., Bailey, B. E., and Hunt, R. M. Jr. (1990). Geomyoid rodents from the early Hemingfordian (Miocene) of Nebraska. Annals of the Carnegie Museum, 59, 2–47.Google Scholar

Korth, W. W., Wahlert, J. H., and Emry, R. J. (1991). A new species of Heliscomys and recognition of the family Heliscomyidae (Geomyoidea: Rodentia). Journal of Vertebrate Paleontology, 11, 247–56.CrossRefGoogle Scholar

Lillegraven, J. A. (1977). Small rodents (Mammalia) from Eocene deposits of San Diego County, California. Bulletin of the American Museum of Natural History, 158, 221–62.Google Scholar

Lindsay, E. H. (1972). Small mammal fossils from the Barstow Formation, California. University of California Publications in Geological Sciences, 93, 1–104.Google Scholar

(1974). The Hemingfordian mammal fauna of the Vedder Locality, Branch Canyon Formation, Santa Barbara County, California. Part II: Rodentia (Eomyidae and Heteromyidae). Geobios, 16, 1–20.

Lindsay, E. H. and Jacobs, L. L. (1985). Pliocene small mammal fossils from Chihuahua, Mexico. Paleontologia Mexicana, 51, 1–53.Google Scholar

Lindsay, E. H. and Reynolds, R. E. (2007). Heteromyid rodents from Miocene faunas of Southern California. [In Geology and Vertebrate Paleontology of Western and Southern North America: Contributions in Honor of David P. Whistler, ed. Wang, X. and Barnes, L..] Contributions in Science, Los Angeles County Museum of Natural History, in press.Google Scholar

Macdonald,, J. R. (1963). The Miocene Wounded Knee faunas of southwestern South Dakota. Bulletin of the American Museum of Natural History, 125, 141–238.Google Scholar

Macdonald, J. R. (1970). Review of the Miocene faunas from the Wounded Knee area of western South Dakota. Bulletin of the Los Angeles County Museum of Natural History, Science, 8, 1–82.Google Scholar

McGrew, P. O. (1941). Heteromyids from the Miocene and lower Oligocene. Geological Series of the Field Museum of Natural History, 8, 55–7.Google Scholar

McGrew, P. O. (1944). An early Pleistocene (Blancan) fauna from Nebraska. Geological Series of the Field Museum of Natural History, 9, 33–66.Google Scholar

McKenna, M. C. and Bell, S. K. (1997). Classification of Mammals Above the Species Level. New York: Columbia University Press.Google Scholar

Martin, J. E. (1976). Small mammals from the Miocene Batesland Formation of South Dakota. Contributions to Geology, University of Wyoming, 14, 69–98.Google Scholar

Martin, J. E. (1984). A survey of Tertiary species of Perognathus (Perognathinae) and a description of a new genus of Heteromyinae. [In Papers in Vertebrate Paleontology Honoring Robert Warren Wilson, ed. Mengel, R. M..] Carnegie Museum of Natural History, Special Publication, 9, 90–121.Google Scholar

Martin, L. D. (1974). New rodents from the lower Miocene Gering Formation of western Nebraska. Occasional Papers of the Museum of Natural History, University of Kansas, 32, 1–12.Google Scholar

Martin, R. A., Honey, J. G., and Peláez-Campomanes, P. (2000). The Meade Basin rodent project: a progress report. Paludicola, 3, 1–32.Google Scholar

Martin, R. A., Goodwin, H. T., and Farlow, J. L. (2002). Late Neogene (Late Hemphillian) rodents from the Pipe Creek Sinkhole, Grant County. Indiana. Journal of Vertebrate Paleontology, 22, 137–51.CrossRefGoogle Scholar

Martin, R. A., Honey, J. G., Peláez-Campomanes, P., et al. (2002). Blancan lagomorphs and rodents of the Deer Park assemblages, Meade County, Kansas. Journal of Paleonotology, 76, 1072–90.CrossRefGoogle Scholar

Martin, R. A., Hurt, R. T., Honey, J. G., and Peláez-Campomanes, P. (2003). Late Pliocene and early Pleistocene rodents from the northern Borchers Badlands (Meade County, Kansas), with comments on the Blancan–Irvingtonian boundary in the Meade Basin. Journal of Paleontology, 77, 985–1001.CrossRefGoogle Scholar

Matthew, W. D. (1907). A lower Miocene fauna from South Dakota. Bulletin of the American Museum of Natural History, 23, 169–219.Google Scholar

Matthew, W. D. (1924). Third contribution to the Snake Creek fauna. Bulletin of the American Museum of Natural History, 50, 59–210.Google Scholar

Merriam, C. H. (1891). Description of a new genus and species of dwarf kangaroo rat from Nevada (Microdipodops megacephalus). North American Fauna, 5, 115–17.CrossRefGoogle Scholar

Merriam, C. H. (1895). Monographic revision of the pocket gophers, Family Geomyidae (exclusive of the species of Thomomys). North American Fauna, 8, 1–259.CrossRefGoogle Scholar

Miller, G. S. and Gidley, J. W. (1918). Synopsis of the supergeneric groups of rodents. Journal of the Washington Academy of Science, 8, 431–48.CrossRefGoogle Scholar

Munthe, J. (1977). A new species of Gregorymys (Rodentia, Geomyidae) from the Miocene of Colorado. PaleoBios, 26, 1–12.Google Scholar

Munthe, J. (1988). Miocene mammals of the Split Rock area, Granit Mountains Basin, Central Wyoming. University of California Publications in Geological Sciences, 126, 1–136.Google Scholar

Nichols, R. (1976). Early Miocene mammals from the Lemhi Valley of Idaho. Tebiwa, 18, 9–47.Google Scholar

Nowak, R. M. and Paradiso, J. L. (1983). Walker's Mammals of the World, Vol. II, 4th edn. Baltimore, MD: Johns Hopkins University Press.Google Scholar

Paulson, G. R. (1961). The mammals of the Cudahy fauna. Papers of the Michigan Academy of Science, Arts and Letters, 46, 127–53.Google Scholar

Rafinesque, C. S. (1817). Description of seven new genera of North American quadrupeds. American Monthly Magazine, New York, 2, 44–6.Google Scholar

Reeder, W. G. (1960a). Two new rodent genera from the Oligocene Whiter River Formation. Fieldiana, Geology, 10, 511–24.Google Scholar

Reeder, W. G. (1960b). A new rodent genus (Family Heteromyidae) from the Tick Canyon Formation of California. Bulletin of the Southern California Academy of Sciences, 59, 121–32.Google Scholar

Rensberger, J. M. (1971). Entoptychine pocket gophers (Mammalia, Geomyoidea) of the early Miocene John Day Formation, Oregon. University of California Publications in Geological Sciences, 90, 1–163.Google Scholar

Rensberger, J. M. (1973). Pleurolicine rodents (Geomyoidea) of the John Day Formation, Oregon. University of California Publications in Geological Sciences, 102, 1–95.Google Scholar

Richardson, J. (1828). Short characters of a few quadrupeds procured on Capt. Franklin's last expedition. Zoological Journal, 3, 516–20.Google Scholar

Ruez, D. R. Jr. (2001). Early Irvingtonian (latest Pliocene) rodents from Inglis 1C, Citrus County, Florida. Journal of Vertebrate Paleontology, 21, 53–71.CrossRefGoogle Scholar

Ryan, J. M. (1989). Comparative myology and phylogenetic systematics of the Heteromyidae (Mammalia, Rodentia). Miscellaneous Publications, Museum of Zoology, University of Michigan, 176, 1–103.Google Scholar

Shotwell, J. A. (1956). Hemphillian mammalian assemblage from northeastern Oregon. Bulletin of the Geological Society of America, 67, 717–38.CrossRefGoogle Scholar

Shotwell, J. A. (1967). Late Tertiary geomyoid rodents of Oregon. Bulletin of the Museum of Natural History, University of Oregon, 9, 1–51.Google Scholar

Skinner,, M. F. and Hibbard,, C. W. (1972). Pleistocene pre-glacial and glacial rocks and faunas of North-Central Nebraska. Bulletin of the American Museum of Natural History, 148, 1–148.Google Scholar

Sinclair,, W. J. (1905). New or imperfectly known rodents and ungulates from the John Day series. Bulletin of the University of California Department of Geology, 4, 125–43.Google Scholar

Slaughter, B. H. (1981). A new genus of Geomyoid rodent from the Miocene of Texas and Panama. Journal of Vertebrate Paleontology, 1, 111–15.CrossRefGoogle Scholar

Spradling, T. A., Brant, S. V., Hafner, M. S., and Dickerson, C. J. (2004). DNA data support a rapid radiation of pocket gopher genera (Rodentia: Geomyidae). Journal of Mammalian Evolution, 11, 105–25.CrossRefGoogle Scholar

Stevens, M. S. (1977). Further study of the Castolon local fauna (early Miocene) Big Bend National Park, Texas. The Pearce-Sellards Series, Texas Memorial Museum, 28, 1–69.Google Scholar

Storer, J. E. (1970). New rodents and lagomorphs from the upper Miocene Wood Mountain Formation of southern Saskatchewan. Canadian Journal of Earth Sciences, 7, 1125–9.CrossRefGoogle Scholar

Storer, J. E. (1973). The entoptychine geomyid Lignimus (Mammalia: Rodentia) from Kansas and Nebraska. Canadian Journal of Earth Sciences, 10, 72–83.CrossRefGoogle Scholar

Storer, J. E. (1975). Tertiary mammals of Saskatchewan. Part III: The Miocene fauna. Life Sciences Contributions, Royal Ontario Museum, 103, 1–134.Google Scholar

Strain, W. S. (1966). Blancan mammalian fauna and Pleistocene formations, Hudspeth County, Texas. Bulletin of the Texas Memorial Museum, 10, 1–55.Google Scholar

Sutton, J. F. and Korth, W. W. (1995). Rodents (Mammalia) from the Barstovian (Miocene) Anceny local fauna, Montana. Annals of the Carnegie Museum, 64, 267–314.Google Scholar

Thaler,, L. (1966). Les rongeurs fossiles du Bas-Languedoc dans leurs rapports avec l'histoire des faunes et la stratigraphie du Tertiare d'Europe. Mémoires du Muséum National d'Histoire Naturelle, Nouvelle Série C, 17, 1–295.Google Scholar

Thomas, O. (1892). Diagnosis of a new Mexican Geomys. Annals and Magazine of Natural History, Series 6, 10, 196.CrossRefGoogle Scholar

Thomas, O. (1893). On some larger species of Geomys. Annals and Magazine of Natural History, Series 6, 12, 269–73.CrossRefGoogle Scholar

Thomas, O. (1894). On two new Neotropical mammals. Annals and Magazine of Natural History, Series 6, 13, 436–9.CrossRefGoogle Scholar

Tomida, Y. (1987). Monograph 3: Small Mammal Fossils and Correlation of Continental Deposits, Safford and Duncan Basins, Arizona, USA. Tokyo: National Science Museum.Google Scholar

Troxell, E. L. (1923). Diplolophus, a new genus of rodents. American Journal of Science, 5, 157–9.CrossRefGoogle Scholar

True,, F. W. (1888). Description of Geomys personatus and Dipodomys compactus, two new species of rodents from Padre Island, Texas. Proceedings of United States National Museum, 11, 159–60.

Voorhies, M. R. (1975). A new genus and species of fossil kangaroo rat and its burrow. Journal of Mammalogy, 56, 160–76.CrossRefGoogle Scholar

Wahlert, J. H. (1976). Jimomys labaughi, a new geomyoid rodent from the early Barstovian of North America. American Museum Novitates, 2591, 1–6.Google Scholar

Wahlert, J. H. (1983). Relationships of the Florentiamyidae (Rodentia, Geomyoidea) based on cranial and dental morphology. American Museum Novitates, 2769, 1–23.Google Scholar

Wahlert, J. H. (1984). Kirkomys, a new florentiamyid (Rodentia, Geomyoidea) from the Whitneyan of Sioux County, Nebraska. American Museum Novitates, 2793, 1–8.Google Scholar

Wahlert, J. H. (1985). Skull morphology and relationships of geomyoid rodents. American Museum Novitates, 2812, 1–20.Google Scholar

Wahlert, J. H. (1991). The Harrymyinae, a new heteromyid subfamily (Rodentia, Geomorpha) based on cranial and dental morphology of Harrymys Munthe, 1988. American Museum Novitates, 3013, 1–23.Google Scholar

Wahlert, J. H. (1993). The fossil record. [In Biology of the Heteromyidae, ed. Genoways, H. H. and Brown, J. H..] American Society of Mammalogists Special Publication, 10, 1–37.Google Scholar

Wahlert, J. H. and Souza, R. A. (1988). Skull morphology of Gregorymys and relationships of the Entoptychinae (Rodentia, Geomyidae). American Museum Novitates, 2922, 1–13.Google Scholar

Whistler, D. P. (1984). An early Hemingfordian (early Miocene) fossil vertebrate fauna from Boron, western Mojave Desert, California. Contributions in Science, Los Angeles County Museum of Natural History, 355, 1–36.Google Scholar

White, J. A. and Downs, T. (1961). A new Geomys from the Vallecito Creek Pleistocene of California, with notes on variation in Recent and fossil species. Contributions in Science, Los Angeles County Museum of Natural History, 42, 1–34.Google Scholar

Wied-Neuwied, , Prinz, Maximilian zu (1839). Ber einige Nager mit äusseren Backentaschen aus dem westlichen Nord-America. I. Uber ein paar neue Gattungen der Nagethiere mit äusseren Backentaschen. Nova Acta Physico-Medica, Academiae Caesareae Leopoldino-Carolinae, Naturae Curiosoorum, 19, 365–74.Google Scholar

Wilkins, K. T. (1984). Evolutionary trends in Florida Pleistocene pocket gophers (genus Geomys), with description of a new species. Journal of Vertebrate Paleontology, 3, 166–81.CrossRefGoogle Scholar

Williams, D. F., Genoways, H. H., and Braun, J. K. (1993). Taxonomy. [In Biology of the Heteromyidae, ed. Genoways, H. H. and Brown, J. H..] American Society of Mammalogists, Special Publication, 10, 38–196.Google Scholar

Wilson, R. W. (1933). A rodent fauna from the later Cenozoic beds of southwestern Idaho. Carnegie Institution of Washington Publication, 440, 117–35.Google Scholar

Wilson, R. W. (1936). A Pliocene rodent fauna from Smith Valley, Nevada. Carnegie Institution of Washington Publication, 473, 17–34.Google Scholar

Wilson, R. W. (1939). Rodents and lagomorphs of the late Teriary Avawatz fauna, California. Carnegie Institution of Washington Publication, 514, 31–8.Google Scholar

(1940). Two new Eocene rodents from California. Carnegie Institution of Washington Publication, 514, 85–95.

Wilson, R. W. (1949). Early Tertiary rodents of North America. Carnegie Institution of Washington Publication, 584, 67–164.Google Scholar

Wilson, R. W. (1960). Early Miocene rodents and insectivores from northeastern Colorado. University of Kansas Paleontological Contributions, Vertebrata, 7, 1–92.Google Scholar

Wood, A. E. (1931). Phylogeny of the heteromyid rodents. American Museum Novitates, 501, 1–19.Google Scholar

Wood, A. E. (1932). New heteromyid rodents from the Miocene of Florida. Florida State Geological Survey Bulletin, 10, 43–51.Google Scholar

Wood, A. E. (1935a). Evolution and relationship of the heteromyid rodents. Annals of the Carnegie Museum, 24, 73–262.Google Scholar

Wood, A. E. (1935b). Two new rodents from the John Day Miocene. American Journal of Science, 30, 368–72.CrossRefGoogle Scholar

Wood, A. E. (1936a). A new subfamily of heteromyid rodents from the Miocene of western United States. American Journal of Science, 31, 41–9.CrossRefGoogle Scholar

Wood, A. E. (1936b). Geomyoid rodents from the middle Tertiary. American Museum Novitates, 866, 1–31.Google Scholar

Wood, A. E. (1936c). Fossil heteromyid rodents in the collections of the University of California. American Journal of Science, 32, 112–19.CrossRefGoogle Scholar

Wood, A. E. (1937). Additional material from the Tertiary of the Cuyama Basin of California. American Journal of Science, 33, 29–43.CrossRefGoogle Scholar

Wood, A. E. (1950). A new geomyid rodent from the Miocene of Montana. Annals of the Carnegie Museum, 31, 335–8.Google Scholar

Wood, A. E. (1974). Early Tertiary vertebrate faunas, Vieja Group, Trans-Pecos Texas: Rodentia. Bulletin of the Texas Memorial Museum, 21, 1–112.Google Scholar

Wood, A. E. (1980). The Oligocene rodents of North America. Transactions of the American Philosophical Society, 70, 1–68.CrossRefGoogle Scholar

Zakrzewski, R J. (1969). The rodents from the Hagerman local fauna, upper Pliocene of Idaho. Contributions from the Museum of Paleontology, University of Michigan, 23, 1–36.Google Scholar

Zakrzewski, R J. (1970). Notes on kangaroo rats from the Pliocene of southwestern Kansas, with the description of a new species. Journal of Paleontology, 44, 474–7.Google Scholar

(1981). Kangaroo rats from the Borchers local fauna, Blancan, Meade County, Kansas. Transactions of the Kansas Academy of Sciences, 84, 78–88.CrossRef