Where: Yukon, Canada (68.8° N, 138.7° W: paleocoordinates 69.5° N, 55.4° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Early/Lower Callovian (164.7 - 161.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

Size class: macrofossils

Preservation: mold/impression

Collected by Triad Oil Company; reposited in the GSC

Primary reference: H. Frebold. 1964. The Jurassic faunas of the Canadian Arctic, Cadoceratinae. Geological Survey of Canada Bulletin 119:1-27more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 236667: authorized by Matthew Clapham, entered by Matthew Clapham on 19.10.2024

Creative Commons license: CC BY (attribution)