0.5 miles north of Two Medicine River (USNM): Campanian, Montana
collected by G. F. Sternberg 1928
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Hadrosauridae
|
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|
Lambeosaurinae indet.
Parks 1923
|
1 individual | |||||||||
| USNM 11893 | ||||||||||
|
= Hadrosauridae indet.
Cope 1869
|
Lull and Wright 1942 | |||||||||
|
= Hypacrosaurus stebingeri
Horner and Currie 1994
|
Horner and Currie 1994 | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Pondera |
| Coordinates: | 48.5° North, 112.5° West (view map) | ||||
| Paleocoordinates: | 56.0° North, 77.8° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Campanian | 10 m.y. bin: | Cretaceous 7 |
| Key time interval: | Campanian | ||
| Age range of interval: | 83.60000 - 72.10000 m.y. ago |
Stratigraphy
| Geological group: | Montana | Formation: | Two Medicine | Member: | Upper |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | not reported |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | excellent |
| Associated major elements: | all |
| Fragmentation: | none |
| 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: | G. F. Sternberg | Collection dates: | 1928 |
Metadata
| Also known as: | 1928 Smithsonian Paleontological Expedition | ||
| Database number: | 53996 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2005-09-21 06:14:03 | Last modified: | 2015-03-16 15:31:16 |
| Access level: | the public | Released: | 2005-09-21 06:14:03 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 14583. | C. W. Gilmore. 1937. On the detailed skull structure of a crested hadrosaurian dinosaur. Proceedings of the United States National Museum 84(3023):481-491 [M. Carrano/M. Carrano/J. Alroy] |
Secondary references:
| 12559 | ETE | J. R. Horner and P. J. Currie. 1994. Embryonic and neonatal morphology and ontogeny of a new species of Hypacrosaurus (Ornithischia, Lambeosauridae) from Montana and Alberta. In K. Carpenter, K. F. Hirsch, and J. R. Horner (eds.), Dinosaur Eggs and Babies, Cambridge University Press, Cambridge 312-336 [A. Behrensmeyer/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] |