Where: British Columbia, Canada (58.7° N, 132.9° W: paleocoordinates 33.7° N, 73.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Takwahoni Formation (Laberge Group), Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• Late Pliensbachian probably

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: mechanical,

• H. W. Tipper, 1979.

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 53118: authorized by Martin Aberhan, entered by Sabine Nürnberg on 06.09.2005

Creative Commons license: CC BY (attribution)