Hat Creek: Early/Lower Oligocene, Wyoming
collected 1924
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
- Testudinidae
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Stylemys nebrascensis
Leidy 1851
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| see common names | |||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Niobrara |
| Coordinates: | 42.9° North, 104.4° West (view map) | ||||
| Paleocoordinates: | 43.9° North, 97.2° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Paleogene | Epoch: | Oligocene |
| Stage: | Rupelian | 10 m.y. bin: | Cenozoic 4 |
| Key time interval: | Early/Lower Oligocene | ||
| Age range of interval: | 33.90000 - 27.82000 m.y. ago |
Stratigraphy
| Stratigraphy comments: "Oligocene clay" (presumably Brule equivalent, early Oligocene in modern usage) |
Lithology and environment
| Primary lithology: | claystone |
| Lithology description: "clay" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | general faunal/floral analysis |
| Museum repositories: | UMMP | Collection dates: | 1924 |
Metadata
| Database number: | 99836 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy | Research group: | vertebrate |
| Created: | 2010-11-24 21:09:07 | Last modified: | 2010-11-24 04:09:07 |
| Access level: | the public | Released: | 2010-11-24 21:09:07 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 34333. | E. C. Case. 1925. A specimen of Stylemys nebrascensis Leidy, with the skull preserved. Contributions from the Museum of Geology, University of Michigan 2(4):87-91 [J. Alroy/J. Alroy] |