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)
Taxonomic list
Conodonta | |
Plectodina tenuis conodont | |
Amorphognathus ordovicicus Bergström and Bergström 1996 conodont | |
Rhipidognathus symmetricus Branson et al. 1951 conodont | |
Panderodus unicostatus Branson and Mehl 1933 conodont | |
Drepanoistodus suberectus Branson and Mehl 1933 conodont |