22.5 km east of Fort Wallace: Late/Upper Coniacian - Santonian, Kansas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Plesiosauria
- Polycotylidae
|
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Polycotylus latipinnis
Cope 1869
|
Williston 1906 | 1 individual | ||||||||
| YPM 1125 (paratype, nearly complete postcranial skeleton and skull fragments) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Kansas |
| Coordinates: | 38.9° North, 101.3° West (view map) | ||
| Paleocoordinates: | 42.0° North, 67.6° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| 10 m.y. bin: | Cretaceous 6 | ||
| Key time interval: | Late/Upper Coniacian - Santonian | ||
| Age range of interval: | 89.80000 - 83.60000 m.y. ago |
Stratigraphy
| Geological group: | Colorado | Formation: | Niobrara | Member: | Smoky Hill Chalk |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | selective quarrying |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | YPM |
Metadata
| Also known as: | Polycotylus latipinnis paratype locality | ||
| Database number: | 117847 | ||
| Authorizer: | R. Benson | Enterer: | R. Benson |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2011-09-27 22:02:08 | Last modified: | 2023-08-02 07:40:40 |
| Access level: | the public | Released: | 2011-09-27 22:02:08 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 34117. | K. Carpenter. 1996. A review of short-necked plesiosaurs of the Western Interior, North America. Neues Jahrbuch fur Geologie und Palaontologie, Abhandlungen 201(2):259-287 [M. Carrano/H. Street] |
Secondary references:
| 26148 | ETE | S. W. Williston. 1906. North American plesiosaurs: Elasmosaurus, Cimoliasaurus, and Polycotylus. The American Journal of Science, series 4 21:221-236 [M. Carrano/M. Carrano] |