Elasmosaurus type, McAllaster Butte: Early/Lower Campanian - Middle Campanian, Kansas
collected by Theophilis H. Turner 1868
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
- Plesiosauria
- Elasmosauridae
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Elasmosaurus platyurus n. gen., n. sp.
Cope 1868
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1 individual | |||||||||
ANSP 10081 | ||||||||||
Actinopteri
- Aulopiformes
- Enchodontidae
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Enchodus sp.
Agassiz 1835
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Cope 1869 | |||||||||
Sphyraena carinata n. sp.
Cope 1869
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Cope 1869 | |||||||||
recombined as Enchodus carinatus | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Kansas | County: | Logan |
Coordinates: | 39.0° North, 101.4° West (view map) | ||||
Paleocoordinates: | 44.7° North, 71.3° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | small collection |
Time
Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
Key time interval: | Early/Lower Campanian - Middle Campanian | Ammonoid zone: | Baculites sp. (weakly ribbed) - Baculites perplexus |
Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
Geological group: | Montana | Formation: | Pierre Shale | Member: | Sharon Springs |
Stratigraphic resolution: | bed | ||||
Stratigraphy comments: The Sharon Springs Member spans the Bacculites sp (weakly ribbed) - Bacculites perplexus Zones in Kansas (Gill et al. 1972) |
Lithology and environment
Primary lithology: | gypsiferous not reported |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Associated major elements: | many |
Fragmentation: | occasional |
Collection methods and comments
Collection methods: | field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | ANSP | ||
Collectors: | Theophilis H. Turner | Collection dates: | c. 1868 |
Collection method comments: ANSP collection (Academy of Natural Sciences, Philadelphia) |
Metadata
Also known as: | McAllister Butte | ||
Database number: | 77321 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | P. Wagner | Research group: | vertebrate |
Created: | 2008-01-08 15:21:41 | Last modified: | 2021-02-12 15:39:51 |
Access level: | the public | Released: | 2008-01-08 15:21:41 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
15622. | ETE | E. D. Cope. 1868. On a new large enaliosaur. The American Journal of Science, series 2 46(137):263-264 [M. Carrano/M. Carrano] |
Secondary references:
26172 | ETE | K. Carpenter. 1999. Revision of North American elasmosaurs from the Cretaceous of the Western Interior. Paludicola 2(2):148-173 [M. Carrano/M. Carrano] |
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] | |
48141 | J. R. Gill, W. A. Cobban, and L. G. Schultz. 1972. Stratigraphy and Composition of the Sharon Springs Member of the Pierre Shale in Western Kansas. Geological SUrvey Professional Paper 728:1-50 [R. Benson/R. Benson] | |
37869 | S. Sachs. 2005. Redescription of Elasmosaurus platyurus Cope 1868 (Plesiosauria: Elasmosauridae) from the Upper Cretaceous (Lower Campanian) of Kansas, U.S.A. Paludicola 5(3):92-106 [R. Benson/R. Benson] | |
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] |