Where: Alberta, Canada (50.4° N, 110.3° W: paleocoordinates 57.5° N, 74.9° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Dinosaur Park Formation (Belly River Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by H. Johnson in 1978; reposited in the TMP

• Collected by H. Johnson

Primary reference: P. M. Galton and H.-D. Sues. 1983. New data on pachycephalosaurid dinosaurs (Reptilia: Ornithischia) from North America. Canadian Journal of Earth Sciences 20(3):462-472 [M. Carrano/M. Carrano/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 47629: authorized by Matt Carrano, entered by Matt Carrano on 28.02.2005, edited by Roger Benson