Where: Alberta, Canada (49.6° N, 114.7° W: paleocoordinates 54.3° N, 75.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Coniacian (89.8 - 86.3 Ma)

• STRATIGRAPHIC RELATIONS: In the Rocky Mountain Foothills of Alberta the units corresponding to the Colorado Group are the Crowsnest Volcanics, Blackstone Formation, Cardium Formation, and the lower part of the Wapiabi Formation, in order of decreasing age. The Colorado Shale is obsolete as a lithostratigraphic unit in Alberta, but a reliable replacement name for these collections could not be found. AGE: Coniacian?, assumed on the basis of stratigraphic position; just below Scaphites ventricosus zone. STRATIGRAPHIC POSITION: From 30 ft above base of section.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, argillaceous shale

Size class: macrofossils

Preservation: mold/impression

Collected by McLearn; reposited in the NMC

Collection methods: surface (in situ),

• COLLECTOR: Not stated, but possibly F. H. McLearn. REPOSITORY: National Museum of Canada.

Primary reference: F. H. McLearn. 1929. Mesozoic Palaeontology of Blairmore Region: Stratigraphic Palaeontology. National Museum of Canada Bulletin 58:80-107 [A. Hendy/A. Hendy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 87507: authorized by Austin Hendy, entered by Austin Hendy on 18.03.2009

Creative Commons license: CC BY (attribution)