1.5 miles up Horse Creek (41 ft): Late/Upper Maastrichtian, Wyoming
collected by E. M. Schlaikjer 1930
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Reptilia
- Ceratopsidae
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Triceratops eurycephalus n. sp.
Schlaikjer 1935
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Schlaikjer 1935 | 1 specimen | ||||||||
| synonym of Triceratops horridus | ||||||||||
| MCZ 1102 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Wyoming | County: | Goshen |
| Coordinates: | 41.9° North, 104.2° West (view map) | ||||
| Paleocoordinates: | 48.4° North, 79.5° West | ||||
| Basis of coordinate: | stated in text | ||||
| Altitude: | 1280 meters | ||||
| 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 | Member: | Torrington |
| Local section: | Horse Creek | Local bed: | 41 ft |
| Local order: | bottom to top | ||
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | yellow sandstone |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Lithology description: "Yellow sandstone grading laterally into variegated shales with Triceratops." | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Degree of concentration: | dispersed |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Fragmentation: | frequent |
| Temporal resolution: | snapshot |
| Spatial resolution: | parautochthonous |
Collection methods and comments
| Collection methods: | selective quarrying,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Collectors: | E. M. Schlaikjer | Collection dates: | 1930 |
Metadata
| Also known as: | Torrington | ||
| Database number: | 52107 | ||
| Authorizer: | M. Carrano | Enterer: | K. Maguire |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-07-22 11:44:26 | Last modified: | 2015-06-25 16:56:23 |
| Access level: | the public | Released: | 2005-07-22 11:44:26 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 53986. | Anonymous. 1934. Harvard exhibits new-found triple-horned dinosaur. Science News Letter 25:375 [M. Carrano/M. Carrano] |
Secondary references:
| 14868 | ETE | P. Dodson, C. A. Forster, and S. D. Sampson. 2004. Ceratopsidae. In D. B. Weishampel, P. Dodson & H. Osmólska (eds.), The Dinosauria (second edition). University of California Press, Berkeley 494-513 [M. Carrano/M. Carrano/M. Carrano] |
| 13950 | ETE | J. H. Ostrom. 1965. Cretaceous vertebrate faunas of Wyoming. Wyoming Geological Association Guidebook 19:35-41 [M. Carrano/K. Maguire/M. Carrano] |
| 55599 | J. H. Ostrom and P. Wellnhofer. 1986. The Munich specimen of Triceratops with a revision of the genus. Zitteliana 14:111-158 [M. Carrano/M. Carrano] | |
| 53992 | E. M. Schlaikjer. 1935. Contributions to the stratigraphy and palaeontology of the Goshen Hole area, Wyoming. II. The Torrington Member of the Lance Formation and a study of a new Triceratops. Bulletin of the Museum of Comparative Zoology 7(2):31-68 [M. Carrano/M. Carrano] |