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
Triceratops elatus Marsh 1891
3 individuals
synonym of Triceratops horridus
AMNH 5039, 5045, 5033 (3 measurements)
Reptilia - Hadrosauridae
Anatosaurus sp. Lull and Wright 1942
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:

12314ETE 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]
12319ETE 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]