Where: Manitoba, Canada (58.7° N, 87.4° W: paleocoordinates 7.6° S, 45.6° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Kockelella trifurcata conodont zone, Severn River Formation, Rhuddanian to Rhuddanian (443.4 - 438.5 Ma)

• PJW: Entered as Aeronian - Telychian, but trifurcata zone is Rhuddanian - Aeronian. This list lumps the entire zone....

• 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 177652: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 07.04.2016

Creative Commons license: CC BY (attribution)