Peace River Fm (Cretaceous of Canada)

Where: Alberta, Canada (56.2° N, 117.3° W: paleocoordinates 56.8° N, 65.2° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Peace River Formation, Middle Albian (109.0 - 105.3 Ma)

• STRATIGRAPHIC RELATIONS: The Peace River Formation is underlain abruptly, though conformably by the Notikewin Member of the Spirit River Formation. It is overlain abruptly by the Shaftesbury Formation, with strong evidence of a hiatus. AGE: Middle Albian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: List representing formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

• ENVIRONMENT: Not stated in text, but apparently marine siliciclastic.
• SPECIFIC LITHOLOGY: Siliciclastic. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Reposited in the NMC

Collection methods: surface (in situ),

• COLLECTOR: Multiple collectors. REPOSITORY: National Museum of Canada.

Primary reference: F. H. McLearn. 1933. Pelecypods of the Lower Cretaceous Clearwater Formation. Transactions of the Royal Society of Canada 27(4):139-156 [A. Hendy/A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87457: authorized by Austin Hendy, entered by Austin Hendy on 17.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for marine invertebrate taxa. NOMENCLATURE: An authoritative publication, with somewhat antiquated nomenclature but with species-resolution identifications.
 Pectinida -
Entolium irenense McLearn 1933 scallop
 Pectinida - Oxytomidae
Oxytoma camselli McLearn 1931 scallop
 Cardiida - Tellinidae
Tellina dowlingi McLearn 1919 tellin clam
 Cardiida - Cardiidae
 Thraciida - Thraciidae
Thracia kissoumi McLearn 1933 clam
 Poromyida - Poromyidae
Psilomya peterpondi McLearn 1933 clam
 Nuculida - Nuculidae
Nucula athabaskensis McLearn 1931 nut clam
 Protobranchia - Yoldiidae
Yoldia kissoumi McLearn 1933 clam