Where: British Columbia, Canada (56.1° N, 122.9° W: paleocoordinates 27.7° N, 40.9° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: sutherlandi ammonoid zone, Liard Formation, Julian (235.0 - 232.0 Ma)
• subzone 2 (sutherlandi zone now spans Ladinian-Carnian boundary)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by F.H. McLearn in 1938; 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 137041: authorized by Matthew Clapham, entered by Matthew Clapham on 09.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Asklepioceras laurenci" = Asklepioceras laurenci, "Asklepioceras mahaffii" = Asklepioceras laurenci
"Asklepioceras laurenci" = Asklepioceras laurenci McLearn 1940 ceratite
"Asklepioceras mahaffii" = Asklepioceras laurenci McLearn 1940 ceratite |