Shell: Early/Lower Oxfordian, Wyoming
collected by F. R. O'Keefe
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Plesiosauria
- Cryptoclididae
|
||||||||||
|
Tatenectes laramiensis
(Knight 1900)
|
||||||||||
|
Pantosaurus striatus
(Marsh 1891)
|
Wilhelm and O'Keefe 2010 | |||||||||
| USNM 536965, partial skeleton | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Natrona |
| Coordinates: | 43.6° North, 107.8° West (view map) | ||||
| Paleocoordinates: | 38.3° North, 51.9° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Late/Upper Jurassic |
| Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Early/Lower Oxfordian | ||
| Age range of interval: | 161.50000 - 154.80000 m.y. ago |
Stratigraphy
Lithology and environment
| Primary lithology: | glauconitic poorly lithified "shale" |
| Secondary lithology: | poorly lithified sandstone |
| Includes fossils? | Y |
| Environment: | marginal marine indet. |
| Glacial or sequence phase: | transgressive |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Abundance in sediment: | few |
| Fragmentation: | frequent |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),surface (in situ),mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | UNSM,UW |
| Collectors: | F. R. O'Keefe |
Metadata
| Database number: | 96690 | ||
| Authorizer: | M. Carrano, P. Mannion | Enterer: | H. Street, J. Tennant |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2010-06-25 12:50:44 | Last modified: | 2010-12-08 15:01:58 |
| Access level: | the public | Released: | 2010-06-25 12:50:44 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 32950. | F. R. O'Keefe and H. P. Street. 2009. Osteology of the cryptocleidoid plesiosaur Tatenectes laramiensis, with comments on the taxonomic status of the Cimoliasauridae. Journal of Vertebrate Paleontology 29(1):48-57 [M. Carrano/H. Street] |
Secondary references:
| 35010 | B. C. Wilhelm and F. R. O'Keefe. 2010. A new partial skeleton of a cryptocleidoid plesiosaur from the Upper Jurassic Sundance Formation of Wyoming. Journal of Vertebrate Paleontology 30(6):1736-1742 [M. Carrano/H. Street] |