Where: Nunavut, Canada (79.5° N, 87.6° W: paleocoordinates 47.2° N, 18.2° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: welleri ammonoid zone, Blaa Mountain Formation, Tuvalian (232.0 - 221.5 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by E.T. Tozer in 1956; 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 43801: authorized by Alistair McGowan, entered by Alistair McGowan on 26.08.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Sirenites costatus n. sp." = Arctoarpadites costatus
"Sirenites costatus n. sp." = Arctoarpadites costatus Tozer 1961 ceratite |