Trego County (YPM): Late/Upper Coniacian - Early/Lower Santonian, Kansas
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Mosasauridae
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Platecarpus planifrons
(Cope 1874)
|
1 individual | |||||||||
| YPM 40508 (disarticulated and fragmentary cranial and postcranial material including premaxilla, left maxilla, nearly complete frontal, right jugal, ectopterygoid(?), pterygoids, left squamosal, left quadrate, lower jaw fragments, several vertebrae, and phalanges) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Kansas | County: | Trego |
| Coordinates: | 38.8° North, 100.1° West (view map) | ||||
| Paleocoordinates: | 41.6° North, 66.4° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| 10 m.y. bin: | Cretaceous 6 | ||
| Key time interval: | Late/Upper Coniacian - Early/Lower 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 | ||||
| Stratigraphy comments: lower part of member | |||||
Lithology and environment
| Primary lithology: | chalk |
| Includes fossils? | Y |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | YPM |
Metadata
| Also known as: | Platecarpus planifrons referred material | ||
| Database number: | 123572 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2012-01-26 01:33:49 | Last modified: | 2012-01-31 15:57:20 |
| Access level: | the public | Released: | 2012-01-26 01:33:49 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 33389. | T. Konishi and M. W. Caldwell. 2007. New specimens of Platecarpus planifrons (Cope, 1874) (Squamata: Mosasauridae) and a revised taxonomy of the genus. Journal of Vertebrate Paleontology 27(1):59-72 [M. Carrano/H. Street/P. Mannion] |