Big Valley Creek (Cretaceous to of Canada)

Where: Alberta, Canada (51.9° N, 112.9° W: paleocoordinates 59.7° N, 78.6° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Edmonton Group, Late/Upper Campanian to Late/Upper Campanian (83.5 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Sternberg in 1926; reposited in the GSC

Primary reference: B. Brown and E. M. Schlaikjer. 1943. A study of the troƶdont dinosaurs with the description of a new genus and four new species. Bulletin of the American Museum of Natural History 82(5):115-150 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 64653: authorized by Matthew Carrano, entered by Matthew Carrano on 11.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Pachycephalosauridae
"Troodon edmontonensis n. sp." = Sphaerotholus edmontonensis
"Troodon edmontonensis n. sp." = Sphaerotholus edmontonensis Brown and Schlaikjer 1943 ornithischian
NMC 8831-8832