8 km east of Fort Wallace: Santonian, Kansas
collected by W. E. Webb
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Plesiosauria
- Polycotylidae
|
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Polycotylus latipinnis n. gen., n. sp.
Cope 1869
|
1 individual | |||||||||
| Holotype (USNM 27678/AMNH1735) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Kansas | County: | Logan County |
| Coordinates: | 38.9° North, 101.5° West (view map) | ||||
| Paleocoordinates: | 42.4° North, 68.0° West | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Santonian | ||
| Age range of interval: | 86.30000 - 83.60000 m.y. ago |
Stratigraphy
| Geological group: | Colorado | Formation: | Niobrara | Member: | Smoky Hill Chalk |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | yellow "limestone" |
| Includes fossils? | Y |
| Lithology description: "a yellow Cretaceous limestone" | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Temporal resolution: | snapshot |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | AMNH,USNM |
| Collectors: | W. E. Webb |
Metadata
| Also known as: | Polycotylus latipinnis type locality | ||
| Database number: | 117846 | ||
| Authorizer: | R. Benson | Enterer: | R. Benson |
| Modifier: | P. Mannion | Research group: | vertebrate |
| Created: | 2011-09-27 21:56:57 | Last modified: | 2023-08-02 07:54:56 |
| Access level: | the public | Released: | 2011-09-27 21:56:57 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 58984. | E. D. Cope. 1869. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part I. Transactions of the American Philosophical Society, New Series 14:1-104 [R. Butler/E. Dunne/M. Carrano] |
Secondary references:
| 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] | |
| 38181 | G. W. Storrs. 1999. An examination of Plesiosauria (Diapsida: Sauropterygia) from the Niobrara Chalk (Upper Cretaceous) of Central North America. Paleontological Contributions of the University of Kansas 11:1-15 [R. Benson/R. Benson] |