MCZ 1589 locality, Logan County: Late/Upper Coniacian, Kansas
collected by G. F. Sternberg
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Mosasauridae
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Tylosaurus kansasensis
Everhart 2005
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| MCZ 1589 (fragments of the skull of an adult, including the premaxilla, left maxilla, right dentary and left quadrate). Originally identified as Tylosaurus dyspelor | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Kansas | County: | Logan |
| Coordinates: | 38.9° North, 101.1° West (view map) | ||||
| Paleocoordinates: | 41.1° North, 67.0° West | ||||
| Basis of coordinate: | based on political unit |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Coniacian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Late/Upper Coniacian | ||
| Age range of interval: | 89.80000 - 86.30000 m.y. ago |
Stratigraphy
| Geological group: | Colorado | Formation: | Niobrara | Member: | Smoky Hill Chalk |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | chalk |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Feeding/predation traces: | tooth marks |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Collectors: | G. F. Sternberg |
| Collection method comments: Acquired by the MCZ in 1894 (per telecom with Charles Schaff, MCZ, 8/16/2004) | |
Metadata
| Also known as: | Tylosaurus kansasensis referred specimen | ||
| Database number: | 118162 | ||
| Authorizer: | P. Mannion | Enterer: | P. Mannion |
| Modifier: | M. Carrano | ||
| Created: | 2011-10-06 22:52:04 | Last modified: | 2016-03-10 16:30:30 |
| Access level: | the public | Released: | 2011-10-06 22:52:04 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 38037. | M. J. Everhart. 2005. Tylosaurus kansasensis, a new species of tylosaurine (Squamata, Mosasauridae) from the Niobrara Chalk of western Kansas, USA. Netherlands Journal of Geosciences — Geologie en Mijnbouw 84(3):231-240 [P. Mannion/P. Mannion] |