GSC loc. C-159874 - Louise Island (Jurassic of Canada)

Where: British Columbia, Canada (53.0° N, 131.6° W: paleocoordinates 4.1° N, 125.8° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Whiteaves Formation (Maude Group), Middle Toarcian (182.0 - 175.6 Ma)

• Crassicosta Zone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, concretionary, calcareous siltstone

Size class: macrofossils

Reposited in the GSC

Primary reference: G. K. Jakobs. 1997. Toarcian (Early Jurassic) ammonoids from western North America. Geological Survey of Canada, Bulletin 428:137pp. [M. Aberhan/S. Nurnberg/S. Nurnberg]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 57816: authorized by Martin Aberhan, entered by Sabine N├╝rnberg on 05.01.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Unionata -
"Trigonioida indet." = Trigoniida
"Trigonioida indet." = Trigoniida Dall 1889 clam
 Ammonitida - Phymatoceratidae
Phymatoceras sp., "Phymatoceras crassicosta" = Denckmannia crassicosta
"Phymatoceras crassicosta" = Denckmannia crassicosta Merla 1932 ammonite
 Nautilida - Cenoceratidae
Cenoceras sp. Hyatt 1884 nautiloid