GSC 99581, Liard River (Triassic of Canada)

Where: British Columbia, Canada (59.4° N, 124.9° W: paleocoordinates 29.2° N, 34.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: caurus ammonoid zone, Toad Formation, Aegean (247.2 - 242.0 Ma)

• subzone 1

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by E.T. Tozer, M.J. Orchard in 1983; 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 141755: authorized by Matthew Clapham, entered by Matthew Clapham on 31.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Longobarditidae
Lenotropites caurus McLearn 1948 ceratite
Grambergia liardensis Tozer 1994 ceratite
Azarianites bufonis McLearn 1948 ceratite
 Phylloceratida - Ussuritidae
Ussurites muskwa McLearn 1946 ammonite