Where: Nunavut, Canada (80.7° N, 88.5° W: paleocoordinates 43.5° N, 12.3° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: nanseni ammonoid zone, Middle Shale Member (Blaa Mountain Formation), Julian (235.0 - 232.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by R. Thorsteinsson, 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 137164: authorized by Matthew Clapham, entered by Matthew Clapham on 11.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Sirenites nanseni Tozer 1961 ceratite |