Where: British Columbia, Canada (54.5° N, 127.1° W: paleocoordinates 27.2° N, 69.2° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Nilkitkwa Formation (Hazelton Group), Late/Upper Sinemurian (196.5 - 189.6 Ma)

• Late Sinemurian 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,

• P. Desjardins and D. MacIntyre, 1988.

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 53627: authorized by Martin Aberhan, entered by Sabine Nürnberg on 13.09.2005

Creative Commons license: CC BY (attribution)