GSC 25092, MacKenzie Creek [Nomad Mbr, Wapiabi Fm] (Cretaceous of Canada)

Where: Alberta, Canada (53.1° N, 117.0° W: paleocoordinates 61.5° N, 80.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Nomad Member (Wapiabi Formation), Early/Lower Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Nomad Mbr of the Wapiabi Fm, which overlies the Chungo Mbr of the Wapiabi Fm. AGE: Early Campanian, on the basis of ammonoid and bivalve biostratigraphy; Scaphites hippocrepis Zone zone. STRATIGRAPHIC POSITION: From unknown position within formation.

• bed-level stratigraphic resolution

Environment/lithology: marine; shale and shale

• ENVIRONMENT: Siliciclastic marine.
• SPECIFIC LITHOLOGY: Shale or siltstone. LITHIFICATION: Not described in text.

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: surface (in situ),

• COLLECTOR: Stott, c. 1960's. REPOSITORY: Geological Survey of Canada.

Primary reference: D. F. Stott. 1963. The Cretaceous Alberta Group and equivalent rocks, Rocky Mountain foothills, Alberta. Geological Survey of Canada Memoir 317:1-306 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 89219: authorized by Austin Hendy, entered by Austin Hendy on 10.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for marine invertebrates. NOMENCLATURE: An authoritative publication, and with relatively antiquated nomenclature but species-resolution identifications.
Show authors, comments, and common names
Bivalvia
 Nuculida - Nuculidae
Nucula assiniboinensis
 Pholadida - Myidae
? Mya sp.
? Mya sp. Linnaeus 1758 softshell clam
 Mytilida - Mytilidae
? Modiolus sp.
? Modiolus sp. Lamarck 1801 mussel