Crooked Creek (AMNH): Maastrichtian, Montana
collected by O. Hunter 1902-1906
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Hadrosauridae
|
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|
Trachodon sp.
Leidy 1856
|
1 individual | |||||||||
| AMNH 5886 | ||||||||||
|
= Anatosaurus copei
Lull and Wright 1942
|
Lull and Wright 1942 | |||||||||
| synonym of Edmontosaurus annectens | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana |
| Coordinates: | 47.6° North, 107.0° West (view map) | ||
| Paleocoordinates: | 54.5° North, 79.5° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Late/Upper Cretaceous |
| Stage: | Maastrichtian | 10 m.y. bin: | Cretaceous 8 |
| Key time interval: | Maastrichtian | ||
| Age range of interval: | 72.10000 - 66.00000 m.y. ago |
Stratigraphy
| Formation: | Hell Creek |
| 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: | good |
| Articulated whole bodies: | all |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),mechanical,survey of museum collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | O. Hunter | Collection dates: | 1902-1906 |
| Collection method comments: discovered by Oscar Hunter, purchased from Sensiba Brothers by AMNH in 1904. | |||
Metadata
| Database number: | 74009 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2007-07-16 12:44:21 | Last modified: | 2017-10-23 16:35:05 |
| Access level: | the public | Released: | 2007-07-16 12:44:21 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 63664. | Anonymous. 1905. Department of Vertebrate Paleontology. The American Museum Journal 5(1):9-11 [M. Carrano/M. Carrano] |
Secondary references:
| 58798 | B. Brown. 1908. The Trachodon group. The American Museum Journal 8(4):50-56 [M. Carrano/M. Carrano] | |
| 12549 | ETE | R. Chapman and M. K. Brett-Surman. 1990. Morphometric observations on hadrosaurid ornithopods. In K. Carpenter and P. J. Currie (eds.), Dinosaur Systematics: Perspectives and Approaches, Cambridge University Press, Cambridge 163-177 [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] |
| 24837 | ETE | W. D. Matthew. 1915. Dinosaurs, with Special Reference to the American Museum Collections. American Museum of Natural History, New York 1-162 [M. Carrano/M. Carrano] |