GSC 46512, Alaska Highway (Triassic of Canada)

Where: British Columbia, Canada (58.7° N, 124.4° W: paleocoordinates 28.4° N, 34.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: hayesi ammonoid zone, Toad Formation, Bithynian (247.2 - 242.0 Ma)

• 1.7 m above base of unit 2, section 3 (Pelletier, 1963)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by B.R. Pelletier in 1961; 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 137685: authorized by Matthew Clapham, entered by Matthew Clapham on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Gymnitidae
Gymnites compressus Tozer 1994 ceratite
 Ceratitida - Beyrichitidae
Anagymnotoceras columbianum McLearn 1946 ceratite
 Ceratitida - Longobarditidae
Intornites intornatus McLearn 1946 ceratite