BMRP 2007.1: Maastrichtian, Montana
collected 2007
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
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cf. Pachycephalosaurus sp.
Brown and Schlaikjer 1943
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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] |