Where: Nunavut, Canada (80.5° N, 94.3° W: paleocoordinates 48.6° N, 19.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: welleri ammonoid zone, Middle Shale Member (Blaa Mountain Formation), Tuvalian (232.0 - 221.5 Ma)
• subzone 1
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by E.T. Tozer in 1961; reposited in the GSC
Primary reference: E. T. Tozer. 1994. Canadian Triassic Ammonoid Faunas. Geological Survey of Canada Bulletin 467:1-663 [A. McGowan/A. McGowan/A. McGowan]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 137937: authorized by Matthew Clapham, entered by Matthew Clapham on 02.01.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Arctosirenites canadensis Tozer 1961 ceratite |