YPM 335, Lance Creek: Late/Upper Maastrichtian, Wyoming
collected by J. B. Hatcher 1890
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
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Triceratops sp.
Marsh 1889
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1 specimen | |||||||||
| YPM 335 | ||||||||||
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= Ceratopsia indet.
Marsh 1890
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Hatcher et al. 1907 | |||||||||
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= Pachycephalosaurus sp.
Brown and Schlaikjer 1943
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Brown and Schlaikjer 1943 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Niobrara |
| Coordinates: | 43.2° North, 104.6° West (view map) | ||||
| Paleocoordinates: | 49.6° North, 79.4° West | ||||
| Basis of coordinate: | based on nearby landmark |
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 order: | top to bottom |
| Stratigraphic resolution: | bed |
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: | medium |
| Disassociated major elements: | all |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | YPM | ||
| Collectors: | J. B. Hatcher | Collection dates: | 1890 |
Metadata
| Database number: | 64645 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2006-09-11 13:17:34 | Last modified: | 2022-04-07 06:09:24 |
| Access level: | the public | Released: | 2006-09-11 13:17:34 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 14074. | ETE | O. C. Marsh. 1896. The dinosaurs of North America. United States Geological Survey, 16th Annual Report, 1894-95 55:133-244 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 12773 | ETE | B. Brown and E. M. Schlaikjer. 1943. A study of the troödont dinosaurs with the description of a new genus and four new species. Bulletin of the American Museum of Natural History 82(5):115-150 [M. Carrano/M. Carrano/M. Carrano] |
| 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] |