Where: British Columbia, Canada (53.4° N, 132.3° W: paleocoordinates 4.2° N, 126.4° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Whiteaves Formation (Maude Group), Middle Toarcian (182.0 - 175.6 Ma)
• Crassicosta Zone; Meters indicate distance from base of section
• bed-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 59237: authorized by Martin Aberhan, entered by Sabine Nürnberg on 21.03.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Denckmannia cf. tumefacta Buckman 1898 ammonite |