Where: British Columbia, Canada (49.5° N, 121.9° W: paleocoordinates 41.9° N, 62.5° W)

• coordinate stated in text

When: Billhook Formation, Callovian (166.1 - 163.5 Ma)

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils, microfossils

Preservation: cast, mold/impression

Collected by T. P. Poulton in 1972

Primary reference: T. P. Poulton. 1979. Jurassic Trigoniid Bivalves from Canada and Western United States of America. Geological Survey of Canada Bulletin 282 [G. Stanley/H. Shepherd/H. Shepherd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 139227: authorized by George Stanley, entered by Hannah Shepherd on 09.02.2013

Creative Commons license: CC BY (attribution)