GSC 46499, 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)

• 10 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 137683: authorized by Matthew Clapham, entered by Matthew Clapham on 18.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Parapopanoceratidae
Amphipopanoceras medium McLearn 1948 ceratite