S257-258 (Cretaceous of Canada)

Also known as Canadian Pacific Oil and Gas EV Strathmore well, depth 1843-1849 feet

Where: Alberta, Canada (51.1° N, 113.3° W: paleocoordinates 58.7° N, 77.0° W)

• coordinate stated in text

When: Oldman Formation (Belly River Group), Campanian (83.6 - 72.1 Ma)

• This locality is in the upper Campanian.

Environment/lithology:

Size class: microfossils

Preservation: original sporopollenin

Collection methods: core, chemical, sieve,

• The specimens figured in the paper have slide and collection number information. They also have more detailed locality information. Azollopsis coccoides: AS-S257-258-C-1-1, GSC 30832.

Primary reference: A.R. Sweet and L.V. Hills. 1974. A detailed study of the genus Azollopsis. Canadian Journal of Botany 52:1625-1642 [R. Lupia/B. Wilborn/B. Wilborn]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 34262: authorized by Rick Lupia, entered by Brooke Wilborn on 25.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
 Salviniales - Polypodiidae