Where: British Columbia, Canada (56.2° N, 126.3° W: paleocoordinates 35.4° N, 68.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Smithers Formation, Middle Toarcian (182.0 - 175.6 Ma)

• Crassicosta Zone; Meters indicate distance from base of section

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Preservation: cast

Reposited in the GSC

Collection methods: mechanical,

Primary reference: G. K. Jakobs. 1997. Toarcian (Early Jurassic) ammonoids from western North America. Geological Survey of Canada, Bulletin 428:137pp. [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53587: authorized by Martin Aberhan, entered by Sabine Nürnberg on 12.09.2005

Creative Commons license: CC BY (attribution)