Also known as Zone of Crurithyris youngstownensis
Where: Alberta, Canada (52.0° N, 111.0° W: paleocoordinates 9.1° S, 41.5° W)
• coordinate estimated from map
• basin-level geographic resolution
When: Lower Palmatolepis gracilis expansa - Upper Palmatolepis gracilis expansa conodont zone, Big Valley Formation, Late/Upper Famennian (364.7 - 360.7 Ma)
• Crurithyris youngstownensis zone = Palmatolepis gracilis expansa zone. Famennian; expansa conodont zone. PJW: This probably is the Big Valley Formation.
• formation-level stratigraphic resolution
Environment/lithology: marine; carbonate
Size class: macrofossils
Primary reference: G. O. Raasch. 1988. Famennian faunal zones in western Canada. 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 619-631 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 35544: authorized by Michael Foote, entered by Michael Foote on 19.12.2003
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Strophomenata | |
Leioproductus coloradoensis, ""Avonia" defessa" = Leioproductus defessa
""Avonia" defessa" = Leioproductus defessa Stainbrook 1947 | |
"Schellwienella percha" = Schuchertella percha
"Schellwienella percha" = Schuchertella percha Stainbrook 1947 | |
Rhynchonellata | |
"Camarotoechia sobrina" = Ptychomalotoechia sobrina
"Camarotoechia sobrina" = Ptychomalotoechia sobrina Stainbrook 1947 | |
"Schizophoria australis" = Schizophoria (Schizophoria) australis
"Schizophoria australis" = Schizophoria (Schizophoria) australis Kindle 1909 |