canyon in Gove County: Santonian, Kansas
collected 1996-1997
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Mosasauridae
|
||||||||||
|
Tylosaurus proriger
(Cope 1869)
|
1 specimen | |||||||||
| FFHM 1997-10 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Kansas | County: | Gove |
| Coordinates: | 38.0° North, 100.0° West (view map) | ||||
| Paleocoordinates: | 41.1° North, 66.9° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Santonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Santonian | Ammonoid zone: | Spinaptychus sternbergi |
| Age range of interval: | 86.30000 - 83.60000 m.y. ago |
Stratigraphy
| Geological group: | Colorado | Formation: | Niobrara | Member: | Smoky Hill Chalk |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Deposited 87-82 Ma; recovered from below Marker Unit 10 | |||||
Lithology and environment
| Primary lithology: | planar lamination lithified chalk |
| Lithology description: composed of "compacted skeletal remains (coccoliths) of planktonic, golden-brown algae (Chrysophyceae)"; deposited 200 miles from the eastern and 600 miles from the western shoreline of the Western Interior Seaway; deposited in water depths of 150 and 300 m | |
| Environment: | deep subtidal shelf |
| Glacial or sequence phase: | regressive |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Spatial orientation: | random |
| Preservation of anatomical detail: | good |
| Abundance in sediment: | rare |
| Fragmentation: | occasional |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection size: | 1 specimens |
| Reason for describing collection: | biostratigraphic analysis | Collection dates: | 1996-1997 |
Metadata
| Database number: | 99384 | ||
| Authorizer: | M. Carrano | Enterer: | H. Street |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2010-11-09 11:34:00 | Last modified: | 2011-06-15 17:30:50 |
| Access level: | the public | Released: | 2010-11-09 11:34:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 34156. | M. J. Everhart. 2001. Revisions to the biostratigraphy of the Moasasauridae (Squamata) in the Smoky Hill Chalk Member of the Niobara Chalk (Late Cretaceous) of Kansas. Transactions of the Kansas Academy of Science 104(1-2):59-78 [M. Carrano/H. Street] |