After Barnosky, 1986, McKenna & Bell, 1997, Alroy, 2002-2005, and “NMNH Mammalian specieslist”, 2003-2005

<==o Perognathini Coues, 1875 sensu McKenna & Bell, 1997 [taxonomic history]
   |--o †Mookomys A.E.Wood, 1931; L.-M.Mioc., NA.
   |  |-- †M. altifluminus A.E. Wood, 1931
   |  `-- †M. thrinax Sutton & Korth, 1995
   |--o †Cupidinimus A.E. Wood, 1935 [taxonomic history] L.-U.Mioc. NA.
   |  |?- †C. kleinfelderi (Storer, 1975) [taxonomic history]
   |  |?- †C. prattensis Korth, 1998c
   |  |?- †C. smaragdinus Korth, 1996c
   |  |--+-- †C. boronensis Whistler, 1984
   |  |  `--+-- †C. whitlocki Barnosky, 1986
   |  |     `--+-- †C. madisonensis (Dorr, 1956) [taxonomic history]
   |  |        `--+-- †C. nebraskensis Wood, 1935
   |  |           `-- †C. saskatchewanensis (Storer, 1970a) [taxonomic history]
   |  `--+-- †C. lindsayi Barnosky, 1986
   |     `--+--+?- †C. tertius (Hall, 1930) [taxonomic history]
   |        `--+?- †C. cuyamensis (A.E. Wood, 1935) Korth, 1979 [taxonomic history]
   |           `-- †C. quartus ( Hall, 1930) [taxonomic history]
   |        `--+-- †C. eurekensis (Lindsay, 1972) Korth, 1979 [taxonomic history]
   |           `--+-- †C. avawatzensis Barnosky, 1986
   |              `?- †C. bidahochiensis (Baskin, 1977) [taxonomic history]
   |-- †Trogomys rupinimenthae Reeder, 1960; M.Mioc. NA.
   |-- Perognathus Wied-Neuwied, 1839 [Peraganthus Brandt; 1855 (lapsus calami?] [incl. Cricetodipus Peale, 1848; Abromys, Gray, 1868; Otognosis Coues, 1875]
   |-- †Stratimus strobeli Korth, Bailey & Hunt, 1990; L.Mioc. NA.
   |--o †Oregonomys J.E. Martin, 1984; U.Mioc.-U-Plioc. NA.
   |  |-- †O. magnus (Zakrzewski, 1969) J.E. Martin, 1984 [Perognathus magnus Zakrzewski, 1969]
   |  |-- †O. pebblespringsensis J.E. Martin, 1984
   |  `-- †O. sargenti (Shotwell, 1956) J.E. Martin, 1984 [Perognathus sargenti Shotwell, 1956]
   `--o Chaetodipus Merriam, 1889 [Perognathus (Chaetodipus) Merriam, 1889] [incl. (Burtognathus) Hoffmeister, 1986] R. NA.
      |-- C. arenarius (Merriam, 1894) [Perognathus arenarius Merriam, 1894; Chaetodipus arenarius (Merriam) D. Wilson & Reeder, 1993] [incl. Perognathus dalquesti Roth, 1976; D. Wilson & Reeder, 1993]
      |-- C. artus (Osgood, 1900) D. Wilson & Reeder, 1993 [Perognathus artus Osgood, 1900]
      |-- C. baileyi (Merriam, 1894) D. Wilson & Reeder, 1993 [Perognathus baileyi Merriam, 1894]
      |-- C. californicus (Merriam, 1889) D. Wilson & Reeder, 1993 [Perognathus californicus Merriam, 1889]
      |-- C. fallax (Merriam, 1889) D. Wilson & Reeder, 1993 [Perognathus fallax Merriam, 1889] [incl. Perognathus anthonyi Osgood, 1900; D. Wilson & Reeder, 1993]
      |-- C. formosus (Merriam, 1889) Patton et al., 1981 [Perognathus formosus Merriam, 1889; Chaetodipus formosus (Merriam) Patton et al., 1981, Hafner & Hafner, 1983, and D. Wilson & Reeder, 1993]
      |-- C. goldmani (Osgood, 1900) D. Wilson & Reeder, 1993 [Perognathus goldmani Osgood, 1900]
      |-- C. hispidus (Baird, 1858) Hafner & Hafner, 1983 [Perognathus hispidus Baird, 1858; Chaetodipus hispidus (Baird) Hafner & Hafner, 1983, Dalquest & G. Schultz, 1992, D. Wilson & Reeder, 1993, and Korth, 1998b]
      |-- C. intermedius (Merriam, 1889) D. Wilson & Reeder, 1993 [Perognathus intermedius Merriam, 1889]
      |-- C. lineatus (Dalquest, 1951) D. Wilson & Reeder, 1993 [Perognathus lineatus Dalquest, 1951]
      |-- C. nelsoni (Merriam, 1894) D. Wilson & Reeder, 1993 [Perognathus nelsoni Merriam, 1894]
      |-- C. penicillatus (Woodhouse, 1852) D. Wilson & Reeder, 1993 [Perognathus penicillatus Woodhouse, 1852]
      |-- C. pernix (Allen, 1898) D. Wilson & Reeder, 1993 [Perognathus pernix Allen, 1898]
      `-- C. spinatus (Merriam, 1889) D. Wilson & Reeder, 1993 [Perognathus spinatus Merriam, 1889]

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