Where: Manitoba, Canada (57.9° N, 84.3° W: paleocoordinates 10.1° S, 45.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Rhipidognathus symmetricus conodont zone, Red Head Rapids Formation, Gamachian (449.5 - 443.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; dolomite and evaporite

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 177684: authorized by Wolfgang Kiessling, entered by Mihaela Krause on 08.04.2016

Creative Commons license: CC BY (attribution)