S357 (Cretaceous of Canada)

Also known as Canadian Pacific Oil and Gas EV Strathmore well, depth 2299-2303.5 feet

Where: Alberta, Canada (51.1° N, 113.3° W: paleocoordinates 58.8° N, 77.9° W)

• coordinate stated in text

When: Foremost Formation (Belly River Group), Middle Campanian (83.5 - 70.6 Ma)

• This locality is in the lower Campanian.

•Foremost Formation is likely middle Campanian in age, see Fowler et al. 2017 supplementary data for more details on age constraints of the Foremost Formation.

Environment/lithology: terrestrial; lithology not reported

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 intermedia: AS-S357-S-0-1, GSC 30866; AS-S357-S-3-7, GSC 30865. Azollopsis pusilla: AS-S357-S-0-14, GSC 30887.

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 34047: authorized by Rick Lupia, entered by Brooke Wilborn on 13.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Polypodiopsida
 Salviniales - Polypodiidae
Azollopsis pusilla
massulae, microsporangia
Azollopsis intermedia Sweet and Hills 1974
massulae, microsporangia