GSC loc. C-81948 - Tulsequah (Jurassic of Canada)

Where: British Columbia, Canada (58.7° N, 132.9° W: paleocoordinates 33.7° N, 73.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Distal facies Member (Takwahoni Formation), Late/Upper Pliensbachian (189.6 - 183.0 Ma)

• Kunae Zone

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified siliciclastic sediments

• Coarse grained, near-shore Takwahoni Fm.
• The Takwahoni Fm is a thick (3350 m) assemblage of interbedded conglomerate, greywacke, silstone, and shale.

Size class: macrofossils

Preservation: mold/impression

Reposited in the GSC

Collection methods: mechanical,

• H. W. Tipper, 1979.

Primary reference: M. Aberhan. 1998. Early Jurassic Bivalvia of western Canada. Part I. Subclasses Palaeotaxodonta, Pteriomorpha, and Isofilibranchia. Beringeria 21:57-150 [M. Aberhan/S. Nurnberg/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 53801: authorized by Martin Aberhan, entered by Sabine Nürnberg on 14.09.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Pectinida - Neitheoidae
Weyla (Weyla) bodenbenderi
Weyla (Weyla) bodenbenderi Behrendsen 1891 scallop
Cephalopoda
 Ammonitida - Eoderoceratidae
? Fanninoceras sp.
? Fanninoceras sp. McLearn 1930 ammonite
Frebold 1980
 Ammonitida - Hildoceratidae
? Leptaleoceras sp., Arieticeras sp., ? Protogrammoceras sp.
? Leptaleoceras sp. Buckman 1918 ammonite
small specimens; Frebold 1980
Arieticeras sp. Seguenza 1885 ammonite
small specimens; Frebold 1980
? Protogrammoceras sp. Spath 1913 ammonite
small specimens; Frebold 1980