Where: Alberta, Canada (50.7° N, 111.6° W: paleocoordinates 58.0° N, 76.3° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Brown & Kaisen in 1914; reposited in the AMNH

Primary reference: D. A. Russell. 1970. Tyrannosaurs from the Late Cretaceous of western Canada. National Museum of Natural Sciences, Publications in Paleontology 1:1-34 [M. Carrano/M. Carrano/J. Alroy] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 52484: authorized by Matt Carrano, entered by Matt Carrano on 08.08.2005