GSC 42378, Alaska Highway (Triassic of Canada)

Where: British Columbia, Canada (58.8° N, 125.3° W: paleocoordinates 33.2° N, 46.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: welleri ammonoid zone, Pardonet Formation, Tuvalian (232.0 - 221.5 Ma)

• subzone 2

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by E.T. Tozer in 1960; 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 137504: authorized by Matthew Clapham, entered by Matthew Clapham on 17.12.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Clionitidae
Sympolycyclus kellyi Smith 1927 ceratite
 Ceratitida - Tropitidae
Tropites bufonis Tozer 1994 ceratite
Discotropites theron Dittmar 1866 ceratite
 Ceratitida - Juvavitidae
Goniojuvavites kellyi Smith 1927 ceratite