Clearwater Fm (Cretaceous of Canada)

Where: Alberta, Canada (53.3° N, 117.9° W: paleocoordinates 54.2° N, 67.7° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Beudanticeras affine ammonoid zone, Clearwater Formation, Albian (113.0 - 100.5 Ma)

• STRATIGRAPHIC RELATIONS: From the Clearwater Fm, for which lithostratigraphic relations are not discussed. AGE: Albian, on the basis of ammonoid biostratigraphy; Beudanticeras affine zone. STRATIGRAPHIC POSITION: List representing formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, black, green shale and lithified sandstone

• ENVIRONMENT: Not stated in text, but apparently marine siliciclastic.
• SPECIFIC LITHOLOGY: Black and green shale and sandstone interbeds. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: surface (in situ),

• COLLECTOR: Multiple collectors. REPOSITORY: Geological Survey of Canada (GSC) and National Museum of Canada.

Primary reference: J. A. Jeletzky. 1968. Macrofossil zones of the marine Cretaceous of the Western Interior of Canada and their correlation with the zones and stages of Europe and the Western Interior of the United States. Geological Survey of Canada Paper 67(72):1-66 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87418: authorized by Austin Hendy, entered by Austin Hendy on 17.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to characteristic Ammonoidea but exhaustive for bivalvia. NOMENCLATURE: From a range of publications, with nomenclature of variable antiquity but with species-resolution identifications.
 Myalinida - Inoceramidae
Inoceramus dowlingi McLearn 1931 clam
 Pectinida - Pectinoidae
Camptonectes matonabbei McLearn 1933 scallop
Pecten alcesianus McLearn 1933 scallop
 Pectinida -
Entolium irenense McLearn 1933 scallop
 Cardiida - Arcticidae
Arctica limpidiana McLearn 1933 clam
 Cardiida - Tellinidae
Tellina dowlingi McLearn 1919 tellin clam
 Cardiida - Cardiidae
Protocardia alcesiana McLearn 1933 cockle
 Hiatellida - Hiatellidae
"Psilomya elongatissima" = Panope elongatissima
"Psilomya elongatissima" = Panope elongatissima McLearn 1933 clam
 Poromyida - Poromyidae
Psilomya peterpondi McLearn 1933 clam
 Pholadomyida - Pholadomyidae
Goniomya matonabbei McLearn 1933 clam
 Myoida -
Turnus lacombi McLearn 1933 clam
 Nuculida - Nuculidae
Nucula athabaskensis McLearn 1931 nut clam
 Protobranchia - Yoldiidae
Yoldia kissoumi McLearn 1933 clam
 Ammonitida - Desmoceratidae
? Puzosia sp. Bayle 1878 ammonite
 Ammonitida - Cleoniceratidae
"Lemuroceras belli" = Arcthoplites (Subarcthoplites) belli, "Lemuroceras cf. irenense" = Subarctoplites irenense
"Lemuroceras belli" = Arcthoplites (Subarcthoplites) belli McLearn 1945 ammonite
"Lemuroceras cf. irenense" = Subarctoplites irenense McLearn 1945 ammonite