Fort Norman-Fort Good Hope, McKenzie River Valley (Cretaceous of Canada)

Where: Northwest Territories, Canada (64.9° N, 125.6° W: paleocoordinates 66.4° N, 64.4° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Albian (113.0 - 100.5 Ma)

• STRATIGRAPHIC RELATIONS: From the unknown lithostratigraphic unit; possibly correlated with the Loon River Shale and Peace River Sandstone. AGE: Albian, on the basis of ammonoid biostratigraphy; Beaudanticeras affine zone. STRATIGRAPHIC POSITION: From unknown position within regional section.

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; lithified shale

• ENVIRONMENT: Marine siliciclastic.
• SPECIFIC LITHOLOGY: Shale. LITHIFICATION: Lithified, on the basis of figured specimens.

Size class: macrofossils

Preservation: mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Multiple collectors. REPOSITORY: University of Alberta Geological Museum.

Primary reference: P. S. Warren. 1947. Cretaceous fossil horizons in the Mackenzie River valley. Journal of Paleontology 21(2):118-123 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 87435: authorized by Austin Hendy, entered by Austin Hendy on 17.03.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for marine invertebrates. NOMENCLATURE: Not an authoritative publication, and with relatively antiquated nomenclature but species-resolution identifications.
Bivalvia
 Pholadida - Pleuromyidae
Pleuromya borealis n. sp. Warren 1947 clam
 Myalinida - Inoceramidae
"Inoceramus concentricus" = Inoceramus (Actinoceramus) concentricus
"Inoceramus concentricus" = Inoceramus (Actinoceramus) concentricus Parkinson 1819 clam
Cephalopoda
 Ammonitida - Beudanticeratidae
Beudanticeras robustum n. sp. Warren 1947 ammonite
 Ammonitida - Desmoceratidae
"Beudanticeras affine" = Grantziceras affine, "Beudanticeras glabrum" = Grantziceras glabrum, ? Puzosia sp.
"Beudanticeras affine" = Grantziceras affine Whiteaves 1892 ammonite
"Beudanticeras glabrum" = Grantziceras glabrum Whiteaves 1889 ammonite
? Puzosia sp. Bayle 1878 ammonite
 Ammonitida - Cleoniceratidae
 Ammonitida - Hoplitidae
? Sonneratia sp. Bayle 1878 ammonite