Where: British Columbia, Canada (50.5° N, 115.1° W: paleocoordinates 1.4° S, 63.1° W)

• small collection-level geographic resolution

When: lower Member (Beaverfoot-Brisco Formation), Hirnantian to Hirnantian (445.2 - 440.8 Ma)

• Beaverfoot-Brisco name is a "mongrel" name but the best authors could do. Authors also unsure exactly of unit age, claiming "late Late Ordovician or early Llandovery."

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, cherty/siliceous dolomite

Reposited in the GSC

Primary reference: B. S. Norford. 1962. The Beaverfoot - Brisco Formation in the Stanford Range, British Columbia. Journal of the Alberta Society of Petroleum Geologists 10(7):443-453 [J. Alroy/M. Sommers]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3353: authorized by John Alroy, entered by Mike Sommers on 30.07.1999

Creative Commons license: CC BY (attribution)