After Korth, Wahlert & Emry, 1991, McKenna & Bell, 1997, Korth & Chaney, 1999, and Alroy, 2002-2005

<==o Geomorpha Thaler, 1966 sensu McKenna & Bell, 1997 [taxonomic history]
   |?-o †Griphomys R.W. Wilson, 1940 [Criphomys (lapsus calami)] M.-U.Eoc. NA.
   |  |-- †G. alecer R.W. Wilson, 1940b
   |  `-- †G. toltecus Lillegraven, 1977
   |?-o †Meliakrouniomys Harris & A.E. Wood, 1969; U.Eoc. NA.
   |  |-- †M. skinneri Emry, 1972b
   |  `-- †M. wilsoni Harris & A.E. Wood, 1969
   |--o †Eomyoidea Winge, 1887 [taxonomic history]
   |  |--o †Pipestoneomyidae Korth & Emry, 2013
   |  |  |-- †Agrorheomys septentrionalis Korth & Emry, 2013
   |  |  `--o †Pipestoneomys Donahoe, 1956
   |  |     |-- †P. bisulcatus Donahoe, 1956
   |  |     `-- †P. pattersoni Alf, 1962
   |  `-- †Eomyidae Winge, 1887 [taxonomic history]
   `--o Geomyoidea Bonaparte, 1845 [taxonomic history] (taskurottiensukuiset jyrsijät)
      |?- †Floresomys guanajuatoensis Fries, Hibbard & Dunkle, 1955; M.-?U.Eoc. NA.
      |?-o †Jimomys Wahlert, 1976; L.-M.Mioc. NA.
      |  |-- †J. labaughi Wahlert, 1976
      |  |-- †J. lulli (A.E. Wood, 1936) Wahlert, 1976 [Florentiamys lulli A.E. Wood, 1936; Jimomys lulli (Wood) Wahlert, 1976; Jimomys lulli (Wood) Korth, 1994c]
      |  `-- †J. ritchiei [=? †Texomys ritchiei]
      |?-o †Texomys Slaughter, 1981; L.-M.Mioc. NA., L.Mioc. CA.
      |  |-- †T. ritchiei Slaughter, 1981
      |  `-- †T. stewardi Slaughter, 1981
      |?- †Trogomys rupinimenthae Reeder, 1960; M.Mioc. NA.
      |--o †Heliscomyidae Korth, Wahlert & Emry, 1991 [paraphyletic??]
      |  |-- †Apletotomeus crassus Reeder, 1960; U.Olig. NA. [Proheteromys crassus (Reeder, 1960) A.E. Wood, 1980; Apletotomeus crassus Reeder; Korth, 1989a, 1994c, 1997a] [jr. syn. Heliscomys Cope, 1873 sensu McKenna & Bell, 1997]
      |  `--o †Heliscomys Cope, 1873 [incl. †Apletotomeus Reeder, 1960; †Heliscomys (Syphyriomys) Korth, 1995]; M.Eoc.-L.Mioc. NA.
      |     |-- †H. senex A.E. Wood, 1935; Korth, 1995a [= Heliscomys vetus Cope, 1873; Korth, Wahlert & Emry, 1991]
      |     |-- †H. subtilis (Lindsay, 1972) Korth, 1994c [Mookomys subtilis Lindsay, 1972; Heliscomys subtilis (Lindsay) Korth, 1994c, 1997a]
      |     |--+-- †H. ostranderi Korth, Wahlert & Emry, 1991
      |     |  `--+-- †H. hatcheri A.E. Wood, 1935; Korth, Wahlert & Emry, 1991 [Heliscomys gregoryi Korth, 1989a]
      |     |     `-- †H. gregoryi A.E. Wood, 1933
      |     `--+-- †H. vetus Cope, 1873 [incl. Heliscomys senex A.E. Wood, 1935 sensu Korth, Wahlert & Emry, 1991]
      |        `--+-- †H. mcgrewi Korth, 1989
      |           `-- †H. woodi McGrew, 1941
      |-- †Florentiamyidae A.E. Wood, 1936 [taxonomic history]
      `-- Geomyidae Bonaparte, 1845 sensu McKenna & Bell, 1997 [incl. Heteromyidae Gray, 1868] [taxonomic history]

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