Where: British Columbia, Canada (53.4° N, 132.3° W: paleocoordinates 1.3° N, 127.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Late/Upper Sinemurian to Late/Upper Sinemurian (196.5 - 183.0 Ma)

• Sinemurian-Pliensbachian boundary, Tetraspidoceras Assemblage

• 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,

• J. Palfy, 1989.

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/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53589: authorized by Martin Aberhan, entered by Sabine Nürnberg on 12.09.2005

Creative Commons license: CC BY (attribution)