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Eutypomys montanensis
Taxonomy
Eutypomys montanensis was named by Wood and Konizeski (1965). Its type specimen is USNM 22819, a mandible (left lower jaw with P4-M2, the alveolus of M3, and a crushed and broken incisor), and it is a 3D body fossil. Its type locality is Tavenner Ranch 2, which is in an Arikareean terrestrial horizon in the Renova Formation of Montana.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Eutypomys montanensis Wood and Konizeski |
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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.
†Eutypomys montanensis Wood and Konizeski 1965
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Ji et al. 2002, Nowak 1999, Lillegraven 1979 | |||||
Age range: base of the Geringian to the top of the Monroecreekian or 29.50000 to 23.10000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Geringian | USA (South Dakota) | Eutypomys montanensis (17658) | |
| Arikareean | USA (Montana) | Eutypomys montanensis (type locality: 17700) | |
| Monroecreekian | USA (South Dakota) | Eutypomys montanensis (17564) | |
| Monroecreekian | Canada (Saskatchewan) | Eutypomys sp. (17526) |