YPM 63-28, Crooked Creek: Middle Albian - Early/Lower Cenomanian, Wyoming
collected by J. Ostrom 1963
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Crocodilia
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Crocodilia indet.
Owen 1842
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Database 2011 | 2 specimens | ||||||||
| spelled with current rank as Crocodylia | ||||||||||
| YPM 4902, centrum; 4901, tooth | ||||||||||
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Reptilia
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Testudinata indet.
(Oppel 1811)
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1 specimen | |||||||||
| YPM 4903, humerus ("?Pelomedusidae" in YPM collections) | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Big Horn |
| Coordinates: | 45.0° North, 108.3° West (view map) | ||||
| Paleocoordinates: | 44.3° North, 66.2° West | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 1222 meters | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous |
| Key time interval: | Middle Albian - Early/Lower Cenomanian |
| Age range of interval: | 109.90000 - 93.90000 m.y. ago |
Stratigraphy
| Formation: | Cloverly | Member: | Himes | ||
| Local section: | Crooked Creek | Local bed: | 28.7 m | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: 1 ft above unit VI; member = Ostrom's unit VII | |||||
Lithology and environment
| Primary lithology: | yellow sandstone |
| Includes fossils? | Y |
| Environment: | "channel" |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Disassociated major elements: | some |
| Disassociated minor elements: | none |
| Fragmentation: | occasional |
| Temporal resolution: | snapshot |
| Spatial resolution: | autochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | YPM | ||
| Collectors: | J. Ostrom | Collection dates: | 1963 |
Metadata
| Database number: | 50534 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | G. Varnham | Research group: | vertebrate |
| Created: | 2005-05-17 10:50:33 | Last modified: | 2022-01-27 06:33:35 |
| Access level: | the public | Released: | 2005-05-17 10:50:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 13525. | ETE | J. H. Ostrom. 1970. Stratigraphy and paleontology of the Cloverly Formation (Lower Cretaceous) of the Bighorn Basin area, Wyoming and Montana. Peabody Museum Bulletin 35:1-234 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
| 38581 | Y. P. M. Database. 2011. YPM collections database. Yale Peabody Museum of Natural History collections [M. Carrano/M. Carrano] | |
| 79303 | M. D. D’Emic, B. Z. Foreman, N. A. Jud, B. B. Britt, M. Schmitz and J. L. Crowley. 2019. Chronostratigraphic Revision of the Cloverly Formation (Lower Cretaceous, Western Interior, USA). Bulletin of the Peabody Museum of Natural History 60(1):3-40 [P. Mannion/G. Varnham/G. Varnham] |