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Ischyromys veterior
Taxonomy
Ischyromys veterior was named by Matthew (1903). Its type specimen is AMNH 9658, a mandible (dentary), and it is a 3D body fossil. Its type locality is Pipestone Springs, which is in a Chadronian terrestrial claystone in the Renova Formation of Montana.
It was recombined as Titanotheriomys veterior by Miller and Gidley (1920), Wood (1937), Wood (1976) and Wood (1980).
It was recombined as Titanotheriomys veterior by Miller and Gidley (1920), Wood (1937), Wood (1976) and Wood (1980).
Synonyms
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Synonymy list
Year | Name and author |
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1903 | Ischyromys veterior Matthew p. 211 |
1920 | Titanotheriomys veterior Miller and Gidley |
1937 | Titanotheriomys veterior Wood |
1937 | Titanotheriomys wyomingensis Wood |
1969 | Ischyromys veterior Wood |
1976 | Titanotheriomys veterior Wood |
1980 | Titanotheriomys veterior Wood |
1994 | Ischyromys veterior Korth |
1996 | Ischyromys veterior Heaton p. 393 |
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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.
†Ischyromys veterior Matthew 1903
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Invalid names: Titanotheriomys wyomingensis Wood 1937 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Lillegraven 1979, Nowak 1999, Hendy et al. 2009, Ji et al. 2002, Carroll 1988 |
Age range: base of the Chadronian to the top of the Orellan or 37.20000 to 33.30000 Ma
Collections (30 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Chadronian | USA (Nebraska) | Ischyromys veterior (16917 16930 16940 17014 17031) Titanotheriomys wyomingensis (16929) | |
Chadronian | USA (Wyoming) | Ischyromys sp. (16961) Ischyromys veterior (16952 16955 17009) Titanotheriomys veterior (16920 16942 16960 16962 16963 16964 16965) Titanotheriomys wyomingensis (16902 16908) | |
Chadronian | USA (Colorado) | Titanotheriomys veterior (16977) | |
Chadronian | USA (North Dakota) | Ischyromys veterior (16991) | |
Chadronian | USA (Montana) | Ischyromys veterior (16959 16988 type locality: 17010 17041) Titanotheriomys veterior (16924 16935 17028) | |
Middle Chadronian | Canada (Saskatchewan) | Ischyromys veterior (16928) | |
Orellan | USA (Nebraska) | Ischyromys typus (17297) |