Rangely South (SDNHM): Late/Upper Campanian - Early/Lower Maastrichtian, Colorado
collected by D. Hammond 1985

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Ceratopsidae
Chasmosaurinae indet. Lambe 1915
1 individual
SDNHM 43470
    = Pentaceratops sternbergii Osborn 1923
Lucas et al. 2006
see common names

Geography
Country:United States State/province:Colorado County:Rio Blanco
Coordinates: 40.0° North, 108.8° West (view map)
Paleocoordinates:47.5° North, 80.3° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Key time interval:Late/Upper Campanian - Early/Lower Maastrichtian
Age range of interval:83.50000 - 66.00000 m.y. ago
Stratigraphy
Formation:Williams Fork
Stratigraphic resolution:bed
Stratigraphy comments: correlated to between the Baculites baculus and Exiteloceras jennyi ammonite zones
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
Associated major elements:all
Fragmentation:frequent
Temporal resolution:snapshot
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:biostratigraphic analysis
Collectors:D. Hammond Collection dates:1985
Metadata
Database number:76715
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2007-11-29 08:50:26 Last modified:2016-05-18 16:34:35
Access level:the public Released:2007-11-29 08:50:26
Creative Commons license:CC BY
Reference information

Primary reference:

25956.ETE S. Diem and J. D. Archibald. 2005. Range extension of southern chasmosaurine ceratopsian dinosaurs into northwestern Colorado. Journal of Paleontology 79(2):251-258 [M. Carrano/M. Carrano]

Secondary references:

59189 N. R. Longrich. 2014. The horned dinosaurs Pentaceratops and Kosmoceratops from the upper Campanian of Alberta and implications for dinosaur biogeography. Cretaceous Research 51:292-308 [M. Carrano/M. Carrano]
25955ETE S. G. Lucas, R. M. Sullivan, and A. P. Hunt. 2006. Re-evaluation of Pentaceratops and Chasmosaurus (Ornithischia: Ceratopsidae) in the Upper Cretaceous of the Western Interior. In S. G. Lucas and R. M. Sullivan (eds.), Late Cretaceous Vertebrates from the Western Interior. New Mexico Museum of Natural History and Science Bulletin 35:367-370 [M. Carrano/M. Carrano]