PTRM V96022, Cannonball Creek: Maastrichtian, North Dakota
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Amphibia
- Temnospondyli
- Urodela
|
|||||||
|
Scapherpeton tectum
Cope 1876
|
2 specimens | ||||||
|
Reptilia
- Tyrannosauridae
|
|||||||
|
Tyrannosaurus rex
Osborn 1905
|
1 specimen | ||||||
|
Reptilia
- Testudines
- Adocidae
|
|||||||
|
Adocus sp.
Cope 1868
|
1 specimen | ||||||
|
Reptilia
- Testudines
- Trionychidae
|
|||||||
|
Trionychidae indet.
Gray 1825
|
1 specimen | ||||||
| see common names | |||||||
Geography
| Country: | United States | State/province: | North Dakota | County: | Slope |
| Coordinates: | 46.5° North, 104.0° West (view map) | ||||
| Paleocoordinates: | 52.9° North, 77.0° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Altitude: | 853 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Hell Creek | ||||
| Local section: | Cannonball Creek | Local bed: | 4.90 m | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: datum -4.90, K-T section 9653 | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | concentrated |
| Size of fossils: | macrofossils,mesofossils |
| Disassociated major elements: | many |
| Disassociated minor elements: | many |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 45141 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2004-10-07 12:34:05 | Last modified: | 2005-06-09 16:07:36 |
| Access level: | the public | Released: | 2004-10-07 12:34:05 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11749. | ETE | D. A. Pearson, T. Schaefer, K. R. Johnson, D. J. Nichols, and J. P. Hunter. 2002. Vertebrate biostratigraphy of the Hell Creek Formation in southwestern North Dakota and northwestern South Dakota. In J. H. Hartman, J. R. Johnson, and D. J. Nichols (eds.), The Hell Creek Formation and the Cretaceous-Tertiary Boundary in the Northern Great Plains: An Integrated Continental Record of the End of the Cretaceous, Geological Society of America Special Paper 361:145-167 [M. Carrano/M. Carrano/M. Carrano] |