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

Where: Northwest Territories, Canada (64.9° N, 125.6° W: paleocoordinates 69.2° N, 71.8° W)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Inoceramus labiatus ammonoid zone, Slater River Formation, Early/Lower Turonian (93.5 - 89.3 Ma)

• STRATIGRAPHIC RELATIONS: From the unknown lithostratigraphic unit; possibly correlated with the Loon River Shale and Peace River Sandstone. AGE: Turonian, on the basis of ammonoid biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within regional section. PJW: Macrostrat gives the Cenomanian - Turonian aged rock in this area as Slater River Formation.

• 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 87436: 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.
Cephalopoda
 Belemnitida - Belemnitidae
 Ammonitida - Acanthoceratidae
 Ammonitida - Scaphitidae
Scaphites delicatulus Warren 1930 ammonite
Bivalvia
 Pectinida - Pectinoidae
Pecten cf. silentiensis McLearn 1926 scallop
 Myalinida - Inoceramidae
Inoceramus corpulentus McLearn 1926 clam
"Inoceramus labiatus" = Mytiloides labiatus Schlotheim 1813 clam