Where: Alberta, Canada (51.3° N, 115.2° W: paleocoordinates 43.6° N, 52.4° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Witchellia borealis ammonoid zone, Fernie Group, Bajocian (170.3 - 168.3 Ma)

• W. borealis is associated with the mid-Bajocian according to Frebold's 1957 report on the Fernie Group.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Reposited in the GSC

Primary reference: C. H. Crickmay. 1933. Attempt to Zone the North American Jurassic on the Basis of its Brachiopods. Geological Society America Bulletin 44:871-894 [M. Clapham/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 164682: authorized by Matthew Clapham, entered by Marko Manojlovic on 10.12.2014

Creative Commons license: CC BY (attribution)