Rangely South (SDNHM): Late Campanian - Early Maastrichtian, Colorado
collected by D. Hammond 1985
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Ceratopsidae
|
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|
Chasmosaurinae indet.
Lambe 1915
|
1 individual | |||||||||
| SDNHM 43470 | ||||||||||
|
= Pentaceratops sternbergii
Osborn 1923
|
Lucas et al. 2006 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Colorado | County: | Rio Blanco |
| Coordinates: | 40.0° North, 108.8° West (view map) | ||||
| Paleocoordinates: | 47.5° North, 80.3° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Campanian - Maastrichtian | 10 m.y. bin: | Cretaceous 7 - Cretaceous 8 |
| Key time interval: | Late Campanian - Early Maastrichtian | ||
| Age range of interval: | 83.6 - 66 m.y. ago |
Stratigraphy
| Formation: | Williams Fork | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: correlated to between the Baculites baculus and Exiteloceras jennyi ammonite zones | |||||
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | all |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,field collection | ||
| Reason for describing collection: | biostratigraphic analysis | ||
| Collectors: | D. Hammond | Collection dates: | 1985 |
Metadata
| Database number: | 76715 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2007-11-29 08:50:26 | Last modified: | 2016-05-18 16:34:35 |
| Access level: | the public | Released: | 2007-11-29 08:50:26 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 25956. | ETE | S. Diem and J. D. Archibald. 2005. Range extension of southern chasmosaurine ceratopsian dinosaurs into northwestern Colorado. Journal of Paleontology 79(2):251-258 [M. Carrano/M. Carrano] |
Secondary references:
| 59189 | N. R. Longrich. 2014. The horned dinosaurs Pentaceratops and Kosmoceratops from the upper Campanian of Alberta and implications for dinosaur biogeography. Cretaceous Research 51:292-308 [M. Carrano/M. Carrano] | |
| 25955 | ETE | S. G. Lucas, R. M. Sullivan, and A. P. Hunt. 2006. Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia: Ceratopsidae) in the Upper Cretaceous of the Western Interior. In S. G. Lucas and R. M. Sullivan (eds.), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:367-370 [M. Carrano/M. Carrano] |