Rattlesnake Butte, ANSP MT:WH-2: Campanian, Montana
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Hadrosauridae
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cf. Maiasaura sp.
Horner and Makela 1979
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1 individual | |||||||||
| ANSP 15805 | ||||||||||
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= Brachylophosaurus canadensis
Sternberg 1953
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Horner et al. 2001 | |||||||||
| ungual phalanx | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | Wheatland |
| Coordinates: | 46.5° North, 109.5° West (view map) | ||||
| Paleocoordinates: | 53.4° North, 75.6° West | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | outcrop |
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
| Formation: | Claggett |
| Stratigraphic resolution: | bed |
Lithology and environment
| Environment: | marine indet. |
| Glacial or sequence phase: | transgressive |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | variable |
| Articulated whole bodies: | none |
Collection methods and comments
| Collection methods: | selective quarrying,surface (float),surface (in situ),mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 53146 | ||
| Authorizer: | M. Carrano | Enterer: | K. Maguire, M. Carrano |
| Modifier: | K. Maguire | Research group: | vertebrate |
| Created: | 2005-09-06 11:02:17 | Last modified: | 2005-09-06 14:02:17 |
| Access level: | the public | Released: | 2005-09-06 11:02:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 14357. | ETE | A. R. Fiorillo. 1990. The first occurrence of hadrosaur (Dinosauria) remains from the marine Claggett Formation, Late Cretaceous of south-central Montana. Journal of Vertebrate Paleontology 10(4):515-517 [M. Carrano/K. Maguire/M. Carrano] |
Secondary references:
| 4217 | J. R. Horner, J. G. Schmitt, F. Jackson and R. Hanna. 2001. Bones and rocks of the Upper Cretaceous Two Medicine-Judith River clastic wedge complex, Montana. In C. L. Hill (ed), Society of Vertebrate Paleontology, 61st Annual Meeting, Bozeman. Guidebook for the Field Trips: Mesozoic and Cenozoic Paleontology in the Western Plains and Rocky Mountains, Museum of the Rockies Occasional Paper 3:3-13 [J. Alroy/J. Alroy/M. Carrano] |