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 Nürnberg on 05.01.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Cenoceras sp. Hyatt 1884 nautiloid | |
Phymatoceras sp., "Phymatoceras crassicosta" = Denckmannia crassicosta
Phymatoceras sp. ammonite
"Phymatoceras crassicosta" = Denckmannia crassicosta Merla 1932 ammonite | |
Bivalvia | |
"Trigonioida indet." = Trigoniida
"Trigonioida indet." = Trigoniida Dall 1889 clam |