Sand Arroyo/ Prairie Elk 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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Triceratops elatus
Marsh 1891
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3 individuals | |||||||||
synonym of Triceratops horridus | ||||||||||
AMNH 5039, 5045, 5033 (3 measurements) | ||||||||||
Reptilia
- Hadrosauridae
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Anatosaurus sp.
Lull and Wright 1942
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Lull and Wright 1942 | 1 specimen | ||||||||
synonym of Edmontosaurus | ||||||||||
AMNH 5046 | ||||||||||
see common names |
Geography
Country: | United States | State/province: | Montana | County: | McCone |
Coordinates: | 47.8° North, 106.2° West (view map) | ||||
Paleocoordinates: | 54.6° North, 78.5° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | outcrop |
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 |
Lithology and environment
Primary lithology: | not reported |
Environment: | terrestrial indet. |
Taphonomy
Modes of preservation: | body |
Size of fossils: | macrofossils |
Preservation of anatomical detail: | good |
Associated major elements: | some |
Disassociated major elements: | some |
Fragmentation: | occasional |
Spatial resolution: | parautochthonous |
Collection methods and comments
Collection methods: | selective quarrying,mechanical,field collection | ||
Reason for describing collection: | general faunal/floral analysis | ||
Museum repositories: | AMNH | ||
Collectors: | B. Brown & P. Kaisen | Collection dates: | 1909 |
Metadata
Also known as: | Sand Creek | ||
Database number: | 49016 | ||
Authorizer: | M. Carrano | Enterer: | M. Carrano |
Modifier: | M. Carrano | Research group: | vertebrate |
Created: | 2005-04-05 14:43:48 | Last modified: | 2017-10-31 12:51:21 |
Access level: | the public | Released: | 2005-04-05 14:43:48 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
13079. | ETE | H. F. Osborn. 1933. Mounted skeleton of Triceratops elatus. American Museum Novitates 654:1-14 [M. Carrano/M. Carrano/M. Carrano] |
Secondary references:
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] |
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] |