Where: Slope County, North Dakota (46.3° N, 103.9° W: paleocoordinates 52.7° N, 76.7° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Hell Creek Formation, Maastrichtian (72.1 - 66.0 Ma)
• within upper third of the 70-90 m thick outcrops of Hell Creek Fm.
• bed-level stratigraphic resolution
Environment/lithology: channel lag; tabular sandstone and fine-grained, concretionary, ferruginous siltstone
Size class: macrofossils
Collected in 1987
Collection methods: surface (float), mechanical,
Primary reference: M. B. Goodwin and R. E. Johnson. 1995. A new skull of the pachycephalosaur Stygimoloch casts doubt on head butting behavior. Journal of Vertebrate Paleontology 15(3, suppl.):32A [M. Carrano/M. Carrano]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 48843: 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
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