Where: Alberta, Canada (50.7° N, 111.4° W: paleocoordinates 57.9° N, 75.1° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Oldman Formation (Belly River Group), Campanian (83.6 - 72.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by L. Sternberg in 1935; reposited in the ROM

Collection methods: quarrying, mechanical,

Primary reference: L. S. Russell. 1946. The lower jaw of the theropod dinosaur Troödon. Transactions of the Royal Society of Canada, series 3 60:171 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 58808: authorized by Matthew Carrano, entered by Matthew Carrano on 24.02.2006

Creative Commons license: CC BY (attribution)