BMRP 2007.1: Maastrichtian, Montana
collected 2007

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
cf. Pachycephalosaurus sp. Brown and Schlaikjer 1943
1 specimen
BMRP 2007.4.4
see common names

Geography
Country:United States State/province:Montana County:Carter
Coordinates: 45.8° North, 104.8° West (view map)
Paleocoordinates:52.3° North, 77.9° West
Basis of coordinate:estimated from map
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:bed
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
Disassociated major elements:all
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collection dates:2007
Metadata
Database number:88988
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2009-04-27 08:20:35 Last modified:2009-04-27 11:20:44
Access level:the public Released:2009-04-27 08:20:35
Creative Commons license:CC BY
Reference information

Primary reference:

29828.ETE T. E. Williamson, T. D. Carr, S. A. Williams and K. Tremaine. 2009. Early ontogeny of pachycephalosaurine squamosals as revealed by juvenile specimens from the Hell Creek Formation, eastern Montana. Journal of Vertebrate Paleontology 29(1):291-294 [M. Carrano/M. Carrano/M. Carrano]