Where: British Columbia, Canada (58.7° N, 124.3° W: paleocoordinates 28.4° N, 34.5° W)
• coordinate based on nearby landmark
When: deleeni ammonoid zone, Toad Formation, Illyrian (247.2 - 242.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine; lithified siliciclastic sediments
Size class: macrofossils
Collected by P.K. Sutherland in 1948; reposited in the GSC
Primary reference: F. H. McLearn. 1969. Middle Triassic (Anisian) ammonoids from northeastern British Columbia and Ellesmere Island. Geological Survey of Canada Bulletin 170:1-90 [M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 137093: authorized by Matthew Clapham, entered by Matthew Clapham on 10.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
"Gymnotoceras smithi" = Gymnotoceras rotelliformis, "Gymnotoceras deleeni" = Eogymnotoceras deleeni
"Gymnotoceras smithi" = Gymnotoceras rotelliformis Meek 1877 ceratite
"Gymnotoceras deleeni" = Eogymnotoceras deleeni McLearn 1946 ceratite |