Where: British Columbia, Canada (51.1° N, 123.0° W: paleocoordinates 22.1° N, 66.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: rursicostatum ammonoid zone, Castle Pass Member (Last Creek Formation), Angulata (201.3 - 196.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

Size class: macrofossils

Reposited in the GSC

Primary reference: H. Frebold. 1967. Hettangian ammonite faunas of the Taseko Lakes area British Columbia. Geological Survey of Canada Bulletin 158:1-35 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 157366: authorized by Matthew Clapham, entered by Matthew Clapham on 16.06.2014

Creative Commons license: CC BY (attribution)