spring on Rock Creek (AMNH): Maastrichtian, Montana
collected by B. Brown & P. Kaisen 1909
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Reptilia
- Ceratopsidae
|
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|
Ceratopsia indet.
(Marsh 1890)
|
1 individual | |||||||||
| "Skeleton of a Horned Dinosaur, probably new" | ||||||||||
|
= Triceratops maximus n. sp.
Brown 1933
|
Brown 1933 | |||||||||
| nomen dubium belonging to Ceratopsidae | ||||||||||
| AMNH 5040 | ||||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Montana | County: | McCone |
| Coordinates: | 47.7° North, 106.2° West (view map) | ||||
| Paleocoordinates: | 54.5° North, 78.6° 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: | group of beds | ||||
| Stratigraphy comments: found in the "basal sandstones of the Hell Creek Beds" | |||||
Lithology and environment
| Primary lithology: | sandstone |
| Includes fossils? | Y |
| Lithology description: "sandstones" | |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | medium |
| Associated major elements: | all |
| Fragmentation: | occasional |
| Encrustation: | none |
| Temporal resolution: | snapshot |
Collection methods and comments
| Collection methods: | surface (float),surface (in situ),mechanical,field collection | ||
| Reason for describing collection: | taxonomic analysis | ||
| Museum repositories: | AMNH | ||
| Collectors: | B. Brown & P. Kaisen | Collection dates: | 1909 |
Metadata
| Also known as: | T. maximus type | ||
| Database number: | 35510 | ||
| Authorizer: | M. Carrano | Enterer: | M. Carrano |
| Modifier: | M. Carrano | Research group: | vertebrate |
| Created: | 2003-12-18 13:06:14 | Last modified: | 2017-10-31 12:52:37 |
| Access level: | the public | Released: | 2003-12-18 13:06:14 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 54103. | H. F. Osborn. 1910. Department of Vertebrate Palaeontology. Forty-First Annual Report of the American Museum of Natural History for the Year 1909 71-72 [M. Carrano/M. Carrano] |
Secondary references:
| 9592 | B. Brown. 1933. A gigantic ceratopsian dinosaur, Triceratops maximus, new species. American Museum Novitates 649:1-9 [M. Carrano/M. Carrano/M. Carrano] | |
| 12314 | ETE | R. S. Lull. 1933. A revision of the Ceratopsia or horned dinosaurs. Memoirs of the Peabody Museum of Natural History 3(3):1-175 [M. Carrano/M. Carrano/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] |