Where: Alberta, Canada (50.5° N, 111.1° W: paleocoordinates 57.7° N, 75.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Oldman Formation (Belly River Group), Middle Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Malach in 1972

• discovered by Mr. Malach, of Ralston, Alberta

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 72144: authorized by Matthew Carrano, entered by Matthew Carrano on 25.05.2007

Creative Commons license: CC BY (attribution)