ammonites
Grassy Lake, Medicine Hat (P. Boston 1973 collection) (Cretaceous of Canada)

Also known as Canadian amber

Where: Alberta, Canada (49.8° N, 111.7° W: paleocoordinates 57.2° N, 76.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Taber coal Member (Foremost Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; amber

Size class: mesofossils

Preservation: original chitin, amber

Collected by P. Boston

• Specimens sometime given CAS numbers, sometimes CNC numbers, but all are deposited in the Canadian National Collection.

Primary reference: A. Borkent. 1995. Biting Midges in the Cretaceous Amber of North America (Diptera: Ceratopogonidae) 1-237 [M. Clapham/M. Clapham] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123143: authorized by Matthew Clapham, entered by Matthew Clapham on 12.01.2012

Creative Commons license: CC BY-NC-ND (attribution-noncommercial-no derivatives)