GSC 10694, 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

• outcrop-level geographic resolution

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 F.H. McLearn in 1944; 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 137065: authorized by Matthew Clapham, entered by Matthew Clapham on 10.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Gymnitidae
Anagymnites viaalaska McLearn 1946 ceratite
 Ceratitida - Parapopanoceratidae
Amphipopanoceras tetsa McLearn 1946 ceratite
 Ceratitida - Beyrichitidae
"Beyrichites deleeni n. sp." = Eogymnotoceras deleeni, "Gymnotoceras smithi" = Gymnotoceras rotelliformis
"Beyrichites deleeni n. sp." = Eogymnotoceras deleeni McLearn 1946 ceratite
"Gymnotoceras smithi" = Gymnotoceras rotelliformis Meek 1877 ceratite
 Ceratitida - Longobarditidae
Intornites canadensis McLearn 1946 ceratite