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Ardynomys olseni
Taxonomy
Ardynomys olseni was named by Matthew and Granger (1925). Its type specimen is AMNH 20368, a mandible, and it is a 3D body fossil. Its type locality is Ergilin Dzo [AMNH], which is in an Eocene terrestrial sandstone in the Ergilin Dzo Formation of Mongolia. It is the type species of Ardynomys.
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Ardynomys olseni Matthew and Granger |
| 1996 | Ardynomys russelli Dashzeveg |
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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.
†Ardynomys olseni Matthew and Granger 1925
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Invalid names: Ardynomys russelli Dashzeveg 1996 [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: Carroll 1988, Nowak 1999, Hendy et al. 2009, Ji et al. 2002, Lillegraven 1979 | |||||
Age range: Late/Upper Eocene or 37.71000 to 33.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Eocene | Mongolia (Dornogov) | Ardynomys russelli (174918) | |
| Late/Upper Eocene | Mongolia | Ardynomys olseni (type locality: 73781) | |
| Ulangochuian | China (Nei Mongol) | Ardynomys olseni (73811) |