GSC 74738, Chischa River (Triassic of Canada)

Where: British Columbia, Canada (58.6° N, 123.9° W: paleocoordinates 28.2° N, 34.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by E.T. Tozer in 1966; 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 139097: authorized by Matthew Clapham, entered by Matthew Clapham on 08.02.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ceratitida - Beyrichitidae
Nicomedites moderatus McLearn 1948 ceratite