Where: British Columbia, Canada (59.3° N, 125.3° W: paleocoordinates 30.4° N, 40.7° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: sutherlandi ammonoid zone, Liard Formation, Julian (235.0 - 232.0 Ma)
• subzone 2 (placed in Ladinian by Tozer, but sutherlandi zone spans Ladinian-Carnian boundary and Daxatina is marker for base of Carnian)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by Shell Oil Company in 1959; 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 141652: authorized by Matthew Clapham, entered by Matthew Clapham on 30.03.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Daxatina megabrotheus n. sp. Tozer 1994 ceratite
Frankites sutherlandi McLearn 1947 ceratite |