between Moreau and Grand Rivers (USGS): Late/Upper Maastrichtian, South Dakota
collected by F. V. Hayden & Sully 1860
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Hadrosauridae
|
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|
Thespesius occidentalis n. gen., n. sp.
Leidy 1856
|
2 specimens | |||||||||
| nomen dubium belonging to Hadrosauridae | ||||||||||
| USNM 219–221 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | South Dakota | County: | Corson |
| Coordinates: | 45.7° North, 101.4° West (view map) | ||||
| Paleocoordinates: | 51.4° North, 74.9° West | ||||
| Basis of coordinate: | based on nearby landmark | ||||
| Geographic resolution: | local area |
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 | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: originally Great Lignite Formation (Miocene); "lowest member of the lignite formation" | |||||
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: | some |
| Disassociated minor elements: | some |
| Fragmentation: | occasional |
Collection methods and comments
| Collection methods: | surface (float),field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | USGS,USNM | ||
| Collectors: | F. V. Hayden & Sully | Collection dates: | 1860s |
Metadata
| Also known as: | L&W locality 38a | ||
| Database number: | 69214 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2007-02-21 14:33:41 | Last modified: | 2023-08-23 10:38:19 |
| Access level: | the public | Released: | 2007-02-21 14:33:41 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 19954. | ETE | J. Leidy. 1860. Extinct vertebrates from the Judith River and Great Lignite Formations of Nebraska. Transactions of the American Philosophical Society 11:139-154 [M. Carrano/M. Carrano] |
Secondary references:
| 85707 | B. H. Breithaupt. 1999. The first discoveries of dinosaurs in the American west. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:59-65 [M. Carrano/M. Carrano] | |
| 58984 | E. D. Cope. 1869. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part I. Transactions of the American Philosophical Society, New Series 14:1-104 [R. Butler/E. Dunne/M. Carrano] | |
| 35435 | E. D. Cope. 1870. Synopsis of the Extinct Batrachia, Reptilia and Aves of North America. Part II. Transactions of the American Philosophical Society, New Series 14:105-235 [M. Carrano/M. Carrano/M. Uhen] | |
| 63646 | E. D. Cope. 1874. Review of the Vertebrata of the Cretaceous Period found west of the Mississippi River. Bulletin of the United States Geological and Geographical Survey of the Territories, First Series 2:3-48 [M. Carrano/M. Carrano/M. Carrano] | |
| 17555 | ETE | E. D. Cope. 1875. Report on the vertebrate paleontology of Colorado. Annual Report of the United States Geological and Geographical Survey of the Territories 1873:427-533 [M. Carrano/M. Carrano/M. Carrano] |
| 12319 | ETE | R. S. Lull and N. E. Wright. 1942. Hadrosaurian dinosaurs of North America. Geological Society of America Special Paper 40:1-242 [M. Carrano/M. Carrano/M. Carrano] |