3 miles southwest of Lightning Creek: Late/Upper Maastrichtian, Wyoming
collected by J. B. Hatcher & W. Utterback 1891
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Ceratopsidae
|
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Diceratops hatcheri n. gen., n. sp.
Lull 1905
|
1 individual | |||||||||
| synonym of Triceratops horridus | ||||||||||
| USNM 2412 (= Sk. 25) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Niobrara |
| Coordinates: | 43.2° North, 104.6° West (view map) | ||||
| Paleocoordinates: | 49.7° North, 79.4° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Late/Upper Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Lance | ||
| Local section: | Lull Lance Creek | Local bed: | 25 |
| Local order: | top to bottom | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | concretionary lithified sandstone |
| Includes fossils? | Y |
| Lithology description: "the concretion in which the skull was embedded had entirely weathered out of the surrounding sandstone" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body,concretion |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Associated major elements: | all |
| Fragmentation: | occasional |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | selective quarrying,surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USNM | ||
| Collectors: | J. B. Hatcher & W. Utterback | Collection dates: | 1891 |
Metadata
| Also known as: | Diceratops type, Lance Creek, Hatcher Sk. 25 | ||
| Database number: | 46133 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-01-04 12:15:43 | Last modified: | 2023-07-20 15:08:09 |
| Access level: | the public | Released: | 2005-01-04 12:15:43 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 14728. | ETE | J. B. Hatcher and R. S. Lull. 1905. Two new Ceratopsia from the Laramie of Converse County, Wyoming. The American Journal of Science, series 4 20(120):413-419 [M. Carrano/M. Carrano] |
Secondary references:
| 12304 | ETE | J. B. Hatcher, O. C. Marsh, and R. S. Lull. 1907. The Ceratopsia. Monographs of the United States Geological Survey 49:1-198 [M. Carrano/M. Carrano/M. Carrano] |
| 13599 | ETE | T. M. Lehman. 1990. The ceratopsian subfamily Chasmosaurinae: sexual dimorphism and systematics. In K. Carpenter and P. J. Currie (eds.), Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge 211-229 [M. Carrano/M. Carrano/M. Carrano] |
| 14177 | ETE | R. S. Lull. 1915. The mammals and horned dinosaurs of the Lance Formation of Niobrara County, Wyoming. The American Journal of Science, series 4 40(238):319-348 [M. Carrano/M. Carrano/M. Carrano] |
| 12314 | ETE | R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 [M. Carrano/M. Carrano/M. Carrano] |