Rugosa of the Mikkwa Fmn, Vermilion Falls, Alberta (Devonian of Canada)

Where: Alberta, Canada (58.5° N, 115.0° W: paleocoordinates 8.6° S, 38.4° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Mikkwa Formation, Frasnian (382.7 - 372.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal limestone

• "The Mikkwa comprises a thin sequence of bioclastic limestones."

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 40282: authorized by Michael Foote, entered by Michael Foote on 21.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Stauriida - Kyphophyllidae
Mikkwaphyllum cameroni McLean and Pedder 1984 horn coral
Tabulophyllum sp. Fenton and Fenton 1924 horn coral
 Stauriida - Disphyllidae
Disphyllum sp. Fromentel 1861 horn coral
 Stauriida - Phillipsastreidae
Chuanbeiphyllum sp., Peneckiella sp., Macgeea proteus, "Pachyphyllum miniaceum" = Pachyphyllum, "Medusaephyllum nevadense" = Pachyphyllum, "Medusaephyllum woodmani" = Pachyphyllum
Chuanbeiphyllum sp. He 1978 horn coral
Peneckiella sp. Soshkina 1939 horn coral
Macgeea proteus horn coral
"Pachyphyllum miniaceum" = Pachyphyllum horn coral
"Medusaephyllum nevadense" = Pachyphyllum horn coral
"Medusaephyllum woodmani" = Pachyphyllum horn coral