Where: British Columbia, Canada (57.5° N, 128.9° W: paleocoordinates 33.0° N, 71.0° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Freboldi ammonoid zone, Ibex (189.6 - 183.0 Ma)

• Freboldi Zone

• 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,

• H. Gabrielse, 1981.

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 53181: authorized by Martin Aberhan, entered by Sabine Nürnberg on 07.09.2005

Creative Commons license: CC BY (attribution)