GSC 14841, Alaska Highway (Triassic of Canada)

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
 Ceratitida - Ceratitidae
"Gymnotoceras smithi" = Gymnotoceras rotelliformis, "Gymnotoceras deleeni" = Eogymnotoceras deleeni
"Gymnotoceras smithi" = Gymnotoceras rotelliformis Meek 1877 ceratite
"Gymnotoceras deleeni" = Eogymnotoceras deleeni McLearn 1946 ceratite