South Saskatchewan River (Cretaceous of Canada)

Also known as Foremost Formation vertebrate

Where: Alberta, Canada (53.3° N, 105.1° W: paleocoordinates 58.9° N, 67.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• Uppermost Foremost, middle Campanian

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; lithology not reported

• The Foremost comprised of sediments probably deposited in brackish coastal swamps and estuaries, and in immediately adjacent near-shore waters. Coals, peats and brackish-water indicators...are common in the formation, but freshwater invertebrates occur as well.

Size class: macrofossils

Collection methods: specimen in University of Alberta collection (UA)

Primary reference: R. C. Fox. 1974. A Middle Campanian, Nonmarine Occurrence of the Cretaceous Toothed Bird Hesperornis Marsh. Canadian Journal of Earth Sciences 11(9):1335-1338 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36379: authorized by John Alroy, entered by Erin Leckey on 27.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hesperornithiformes - Hesperornithidae
Hesperornis cf. regalis Marsh 1872 bird
left tarsometatarsus