Where: British Columbia, Canada (57.8° N, 123.6° W: paleocoordinates 27.5° N, 34.8° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: hayesi ammonoid zone, Toad Formation, Bithynian (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 137096: authorized by Matthew Clapham, entered by Matthew Clapham on 10.12.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Nicomedites moderatus McLearn 1948 ceratite
Anagymnotoceras varium McLearn 1948 ceratite | |
Intornites intornatus McLearn 1946 ceratite
Czekanowskites pinguis McLearn 1946 ceratite | |
Amphipopanoceras selwyni McLearn 1948 ceratite |