St. Joseph, east of Point Levis (Ordovician of Canada)

Where: Quebec, Canada (46.8° N, 71.2° W: paleocoordinates 29.5° S, 58.0° W)

• coordinate based on nearby landmark

When: Cassinian (478.6 - 468.1 Ma)

• in a "limestone boulder believed to be Upper Ozarkian"

Environment/lithology: marine; limestone

Size class: macrofossils

Preservation: original aragonite, replaced with calcite

Primary reference: E. O. Ulrich, A. F. Foerste, and A.K. Miller. 1943. Ozarkian and Canadian cephalopods. Part II, Brevicones. Geological Society of America Special Papers 49:1-240 [P. Wagner/P. Wagner/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 189338: authorized by Björn Kröger, entered by Björn Kröger on 12.10.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ellesmerocerida - Ellesmeroceratidae
Clarkoceras lawrencense Ulrich et al. 1943