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Ischyromys
Taxonomy
Ischyromys was named by Leidy (1856). Its type is Ischyromys typus.
It was assigned to Protomyidae by Cope (1879); to Ischyromyinae by Wang et al. (1998); and to Ischyromyidae by Leidy (1856), Hay (1902), Lambe (1908), Johnson (1966), McKenna and Bell (1997), Korth and Emry (2007), Kihm (2013), Korth (2014), Lofgren et al. (2020) and Korth et al. (2022).
It was assigned to Protomyidae by Cope (1879); to Ischyromyinae by Wang et al. (1998); and to Ischyromyidae by Leidy (1856), Hay (1902), Lambe (1908), Johnson (1966), McKenna and Bell (1997), Korth and Emry (2007), Kihm (2013), Korth (2014), Lofgren et al. (2020) and Korth et al. (2022).
Synonyms
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Synonymy list
Year | Name and author |
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1856 | Ischyromys Leidy |
1873 | Colotaxis Cope |
1873 | Gymnoptychus Cope |
1879 | Ischyromys Cope p. 45 |
1902 | Ischyromys Hay p. 725 |
1908 | Ischyromys Lambe |
1920 | Ischyromys parvidens Miller and Gidley |
1920 | Titanotheriomys Miller and Gidley |
1922 | Ischyromys typus nanus Troxell |
1966 | Ischyromys Johnson p. 80 |
1976 | Titanotheriomys Wood |
1980 | Ischyromys parvidens Wood |
1980 | Titanotheriomys Wood |
1993 | Ischyromys parvidens Heaton |
1994 | Ischyromys parvidens Korth |
1997 | Ischyromys McKenna and Bell |
1998 | Ischyromys Wang et al. |
1998 | Titanotheriomys Wang et al. |
2007 | Ischyromys Korth and Emry |
2013 | Ischyromys Kihm |
2014 | Ischyromys Korth p. 374 |
2020 | Ischyromys Lofgren et al. |
2022 | Ischyromys Korth et al. |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Ischyromys Leidy 1856
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†Ischyromys blacki Wood 1974
†Ischyromys brevidens Korth et al. 2022
†Ischyromys douglassi Black 1968
†Ischyromys junctus Russell 1972
†Ischyromys typus Leidy 1856
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Invalid names: Colotaxis cristatus Cope 1873 [synonym], Gymnoptychus chrysodon Cope 1873 [synonym], Ischyromys pliacus Troxell 1922 [synonym], Ischyromys troxelli Wood 1937 [synonym], Ischyromys typus lloydi Troxell 1922 [invalid subgroup]
†Ischyromys veterior Matthew 1903
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Invalid names: Titanotheriomys wyomingensis Wood 1937 [synonym]
Invalid names: Colotaxis Cope 1873 [synonym], Gymnoptychus Cope 1873 [synonym], Ischyromys parvidens Miller and Gidley 1920 [nomen dubium], Ischyromys typus nanus Troxell 1922 [nomen dubium], Titanotheriomys Miller and Gidley 1920 [synonym]
Diagnosis
No diagnoses are available