Elasmosaurus marshii type locality, Logan County: Late/Upper Coniacian - Santonian, Kansas
collected by Mr H. T. Martin 1889
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Plesiosauria
- Elasmosauridae
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Elasmosaurus marshii n. sp.
Williston 1906
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1 individual | |||||||||
nomen dubium belonging to Styxosaurus | ||||||||||
YPM 1645 (holotype) | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Kansas |
Coordinates: | 39.0° North, 101.2° West (view map) | ||
Paleocoordinates: | 42.0° North, 67.4° West | ||
Basis of coordinate: | based on nearby landmark |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
10 m.y. bin: | Cretaceous 6 | ||
Key time interval: | Late/Upper Coniacian - Santonian | ||
Age range of interval: | 89.30000 - 83.60000 m.y. ago |
Stratigraphy
Formation: | Niobrara | ||||
Stratigraphy comments: "Chalk of Logan County" (Williston 1906, p. 229).
"Niobrara Cretaceous" (Welles 1943, p. 189). "Probably the Smoky Hill Chalk Member (Santonian-Campanian)" (Storrs 1999, p. 7) |
Lithology and environment
Primary lithology: | chalk |
Includes fossils? | Y |
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 | ||
Collectors: | Mr H. T. Martin | Collection dates: | 1889 |
Metadata
Database number: | 117842 | ||
Authorizer: | R. Benson | Enterer: | R. Benson |
Modifier: | P. Mannion | Research group: | vertebrate |
Created: | 2011-09-27 20:57:35 | Last modified: | 2023-08-02 07:54:40 |
Access level: | the public | Released: | 2011-09-27 20:57:35 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
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] |
Secondary references:
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] |