Where: Ontario, Canada (46.0° N, 81.9° W: paleocoordinates 22.0° S, 54.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lorraine Formation, Maysvillian (450.2 - 449.6 Ma)

• "Pholadomorpha zone = Lorraine Fm", in Foerste (1924)

Environment/lithology: marine; limestone and lithified lime mudstone

Size classes: macrofossils, mesofossils

Primary reference: A. F. Foerste. 1924. Upper Ordovician faunas of Ontario and Quebec. Geological Survey of Canada Memoir 138(121):1-99 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 173200: authorized by Björn Kröger, entered by Susan Scholze on 12.09.2015

Creative Commons license: CC BY (attribution)