After McKenna & Bell, 1997, and Alroy, 2002-2005

<==o Geomyinae Bonaparte, 1845 [taxonomic history] (taskurotat)
   |?-o †Tenudomys Rensberger, 1973 L.-U.Olig. NA. [however, see basal Geomyidae]
   |  |-- †T. macdonaldi Rensberger, 1973
   |  |-- †T. bodei (Wilson, 1949) Korth, 1993 [Mookomys? bodei Wilson, 1949]
   |  |-- †T. dakotensis (MacDonald, 1963) Rensberger, 1973 [Granerimus dakotensis MacDonald, 1963; Tenudomys? dakotensis (MacDonald, 1963) Rensberger, 1973]
   |  `-- †T. basilaris Korth, 1989
   |?-o †Phelosaccomys Korth & Reynolds, 1994; M.-U.Mioc. NA. [however, see basal Geomyidae]
   |  |-- †P. annae (Korth, 1987) Korth & Reynolds, 1994 [Parapliosaccomys annae Korth, 1987; Phelosaccomys annae (Korth) Korth & Reynolds, 1994, Sutton & Korth, 1995, and Korth & Chaney, 1999]
   |  |-- †P. hibbardi (Storer, 1973) [Lignimus hibbardi Storer, 1973; Parapliosaccomys hibbardi (Storer) Korth, 1987; Phelosaccomys hibbardi (Storer) Korth & Reynolds, 1994, Korth, 1997b, Korth, 1998c, and Korth & Chaney, 1999]
   |  |-- †P. neomexicanus Korth & Chaney, 1999
   |  `-- †P. shotwelli Korth & Reynolds, 1994
   `--+--o †Dikkomyini R.J. Russell, 1968
      |  |-- †Dikkomys matthewi A.E. Wood, 1936; L.Mioc. NA.
      |  |--o †Parapliosaccomys Shotwell, 1967; M.-U.Mioc. NA.
      |  |  |-- †P. oregonensis Shotwell, 1967b
      |  |  `-- †P. transversus (Barnosky, 1986b) Korth, 1987 [Lignimus transversus Barnosky, 1986b]
      |  |?-o †Mojavemys Lindsay, 1972; M.Mioc. NA. [however, see basal Geomyidae]
      |  |  |-- †M. alexandrae Lindsay, 1972
      |  |  |-- †M. galushai Korth & Chaney, 1999
      |  |  |-- †M. magnumarcus Barnosky, 1986b
      |  |  `-- †M. wilsoni (James, 1963) Korth & Chaney, 1999 [Pliosaccomys wilsoni James, 1963]
      |  `--o †Pliosaccomys R.W. Wilson, 1936; U.Mioc. NA.
      |     |-- †P. dubius R.W. Wilson, 1936
      |     |-- †P. magnus (Kellogg, 1910) Shotwell, 1967b [Diprionomys magnus Kellogg, 1910; Cupidinimus magnus (Kellogg) A.E. Wood, 1935, R.W. Wilson, 1936, A.E. Wood, 1936c, and R.W. Wilson, 1937b; Dipodomys magnus (Kellogg) James, 1963]
      |     `-- †P. higginsensis Dalquest & Patrick, 1989
      `--+?- †Progeomys sulcatus Dalquest, 1983
         |-- Thomomyini [taxonomic history]
         `-- Geomyini Bonaparte, 1845 [taxonomic history] (aitotaskurotat

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