Where: Manitoba, Canada (58.6° N, 86.2° W: paleocoordinates 9.4° S, 47.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Amorphognathus ordovicicus conodont zone, Chasm Creek Formation (Churchill River Group), Richmondian (449.6 - 445.5 Ma)

• PJW: Formation not named, but should be Chasm Creek.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; limestone and dolomite

Size class: microfossils

Primary reference: S. Zhang and C. R. Barnes. 2007. Late Ordovician- Early Silurian conodont biostratigraphy and thermal maturity, Hudson Bay Basin. Bulletin of Canadian Petroleum Geology 55(3):179-216 [E. Jarochowska/P. Nätscher]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177659: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 07.04.2016

Creative Commons license: CC BY (attribution)