Where: Blaine County, Montana (47.8° N, 109.4° W: paleocoordinates 54.8° N, 75.5° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Judith River Formation (Montana Group), Middle Campanian to Middle Campanian (83.5 - 70.6 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by K. Olson
• specimen in Blaine County Museum, collected by K. Olson
Primary reference: W. P. Wall and P. M. Galton. 1979. Notes on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America, with comments on their status as ornithopods. Canadian Journal of Earth Sciences 16:1176-1186 [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 48620: authorized by Matthew Carrano, entered by Matthew Carrano on 24.03.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
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