Where: British Columbia, Canada (49.2° N, 124.1° W: paleocoordinates 55.7° N, 94.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Pseudoschloenbachia umbulazi ammonoid zone, Haslam Formation, Early/Lower Campanian (83.5 - 70.6 Ma)

• Haslam Formation, upper part. Age: Latest Santonian. Later revised to Early Campanian (Pseudoschloenbachia umbulazi zone) by Haggart & Graham, 2018.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified shale

Size class: macrofossils

Collected by R. Graham in 1999; reposited in the GSC

• 103851 CGS.

Primary reference: R. L. Squires and L. R. Saul. 2009. Cretaceous opine bivalves from the pacific slope of North America and palaeobiogeography of subfamily Opinae Chavan, 1969. Palaeontology 52(6):1311-1347 [M. Aberhan/D. Wellmanns/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 119447: authorized by Martin Aberhan, entered by Daniel Wellmanns on 26.10.2011, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)