Where: Nunavut, Canada (76.8° N, 96.5° W: paleocoordinates 6.5° N, 34.4° W)
• coordinate estimated from map
When: Amorphognathus ordovicicus Local-Range Zone conodont zone, Lower Member (Allen Bay Formation), Ashgill to Ashgill (449.5 - 427.4 Ma)
Environment/lithology: lithified, argillaceous limestone and shale
•argillaceous limestone with shale
Size class: microfossils
Primary reference: S. Zhang, K. Mirza, and C. R. Barnes. 2016. Upper Ordovician – Upper Silurian conodont biostratigraphy, Devon Island and southern Ellesmere Island, Canadian Arctic Islands, with implications for regional stratigraphy, eustasy, and thermal maturation. Canadian Journal of Earth Sciences 53(9):931-949 [E. Jarochowska/S. Haegele]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 188194: authorized by Emilia Jarochowska, entered by Sarah Haegele on 24.08.2017
Creative Commons license: CC BY (attribution)
Taxonomic list
Conodonta | |
Panderodus unicostatus Branson and Mehl 1933 conodont | |
Amorphognathus ordovicicus Bergström and Bergström 1996 conodont | |
Drepanoistodus suberectus Branson and Mehl 1933 conodont |