Where: Northwest Territories, Canada (61.0° N, 117.0° W: paleocoordinates 6.2° S, 37.2° W)
• coordinate estimated from map
• basin-level geographic resolution
When: Alexandra Member (Twin Falls Formation), Frasnian (382.7 - 372.2 Ma)
• Upper unit of Alexandra Member.
• member-level stratigraphic resolution
Environment/lithology: marine; limestone
Primary reference: R. A. McLean and J. E. Sorauf. 1988. The distribution of rugose corals in Frasnian outcrop sequences of North America. In N. J. McMillan, A. F. Embry, and D. J. Glass (eds.), Devonian of the World, Volume III. Canadian Society of Petroleum Geologists. Calgary, Alberta, Canada 379-396 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 40136: authorized by Michael Foote, entered by Michael Foote on 18.06.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Temnophyllum sp. Walther 1928 horn coral | |
Macgeea proteus, "Medusaephyllum woodmani" = Pachyphyllum
Macgeea proteus horn coral
"Medusaephyllum woodmani" = Pachyphyllum horn coral | |
Smithiphyllum meridianum McLean and Pedder 1987 horn coral |