Niobrara River (coll. Merrill 1865): Barstovian - Clarendonian, Nebraska
collected by Merrill 1865
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Testudines
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Toxochelys serrifer n. sp.
Cope 1875
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| synonym of Toxochelys latiremis | ||||||||||
| AMNH 1835, partial skull and two peripheral bones | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Nebraska | County: | Sheridan |
| Coordinates: | 42.7° North, 102.5° West (view map) | ||||
| Paleocoordinates: | 43.2° North, 99.7° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Neogene | Epoch: | Miocene |
| Key time interval: | Barstovian - Clarendonian | ||
| Age range of interval: | 16.30000 - 9.40000 m.y. ago |
Stratigraphy
| Formation: | Loop Fork | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Wang et al. (1999) considers the Niobrara River localities to be Barstovian - Clarendonian in age | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | Merrill | Collection dates: | 1865 |
Metadata
| Database number: | 196802 | ||
| Authorizer: | E. Vlachos | Enterer: | E. Vlachos |
| Modifier: | B. Allen | Research group: | vertebrate |
| Created: | 2018-10-08 09:01:58 | Last modified: | 2023-07-29 08:10:13 |
| Access level: | the public | Released: | 2018-10-08 09:01:58 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 63647. | E. D. Cope. 1875. The Vertebrata of the Cretaceous formations of the west. Report of the United States Geological and Geographical Survey of the Territories 2:1-303 [M. Carrano/M. Carrano/M. Carrano] |