Where: Carter County, Montana (45.9° N, 104.8° W: paleocoordinates 52.4° N, 78.0° W)
• coordinate based on unpublished field data
• small collection-level geographic resolution
When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial
Size class: macrofossils
Reposited in the UCMP
Primary reference: M. B. Goodwin, E. A. Buccholtz, and R. E. Johnson. 1998. Cranial anatomy and diagnosis of Stygimoloch spinifer (Ornithischia: Pachycephalosauria) with comments on cranial display structures in agonistic behavior. Journal of Vertebrate Paleontology 18(2):363-375 [M. Carrano/M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 48846: authorized by Matthew Carrano, entered by Matthew Carrano on 31.03.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Stygimoloch spinifer" = Pachycephalosaurus wyomingensis
| |
Eubaena sp. Hay 1908 turtle | |
Mammalia | |
Didelphodon sp. Marsh 1889 metatherian |