Where: British Columbia, Canada (58.7° N, 124.3° 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)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Collected by F.H. McLearn in 1944; reposited in the GSC

Primary reference: F. H. McLearn. 1969. Middle Triassic (Anisian) ammonoids from northeastern British Columbia and Ellesmere Island. Geological Survey of Canada Bulletin 170:1-90 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177599: authorized by Matthew Clapham, entered by Matthew Clapham on 06.04.2016

Creative Commons license: CC BY (attribution)