Where: British Columbia, Canada (57.7° N, 129.1° W: paleocoordinates 33.2° N, 71.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Early/Lower Pliensbachian (189.6 - 183.0 Ma)

• Cold Fish? Fm., Early Pliensbachian probably

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: mechanical,

• D. Thorkelson, 1987.

Primary reference: M. Aberhan. 1998. Early Jurassic Bivalvia of western Canada. Part I. Subclasses Palaeotaxodonta, Pteriomorpha, and Isofilibranchia . Beringeria 21:57-150 [M. Aberhan/S. Nurnberg/S. Nurnberg] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53865: authorized by Martin Aberhan, entered by Sabine Nürnberg on 15.09.2005