Where: Alberta, Canada (51.6° N, 112.9° W: paleocoordinates 59.4° N, 78.8° W)

• coordinate stated in text

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by C. M. Sternberg in 1922; reposited in the GSC

Primary reference: D. A. Russell. 1972. Ostrich dinosaurs from the late Cretaceous of western Canada. Canadian Journal of Earth Sciences 9:375-402 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 191253: authorized by Matthew Carrano, entered by Matthew Carrano on 18.01.2018

Creative Commons license: CC BY (attribution)