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Contogenys ekalakaensis
Taxonomy
Contogenys ekalakaensis was named by Nydam and Fitzpatrick (2009). Its type specimen is YPM-PU 17035, a mandible (right dentary), and it is a 3D body fossil. Its type locality is Medicine Rocks Site 1, which is in a Torrejonian terrestrial sandstone in the Fort Union Formation of Montana.
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Contogenys ekalakaensis Nydam and Fitzpatrick pp. 678-679 |
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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.
†Contogenys ekalakaensis Nydam and Fitzpatrick 2009
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Nydam and B. M. Fitzpatrick 2009 | Differs from Contogenys sloani in the following combination of dentary features: subdental shelf more robust and more vertical in orientation; subdental gutter deeper; intramandibular septum extending posteriorly to last tooth position; ventral portion of facet on dentary for anterior process of coronoid directed more vertically; and weakly developed lingual striae on tooth crowns. |
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Age range: Torrejonian or 63.80000 to 60.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Torrejonian | USA (Montana) | Contogenys sloani (type locality: 14874) |