Where: Quebec, Canada (50.2° N, 63.6° W: paleocoordinates 26.3° S, 45.3° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Grande Pointe Member (Mingan Formation), Chazyan (470.0 - 457.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified, dolomitic, stromatolitic wackestone and lithified, dolomitic grainstone
Primary reference: J. K. Rigby and A. Desrochers. 1995. Lower and Middle Ordovician lithistid demosponges from the Mingan Islands, Gulf of St. Lawrence, Quebec, Canada. Journal of Paleontology Memoir 69(4):1-35 [S. Peters/S. Peters]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 66134: authorized by Shanan Peters, entered by Shanan Peters on 29.09.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
Hudsonospongia minganensis Raymond and Okulitch 1940 demosponge
Hudsonospongia irregularis Raymond and Okulitch 1940 demosponge | |
Anthaspidella amplia n. sp., Zittelella grossa, Zittelella varians, Rhopalocoelia clarkii, Psarodictyum magnificum
Anthaspidella amplia n. sp. Rigby and Desrochers 1995 demosponge
Zittelella grossa Rigby and Desrochers 1995 demosponge
Zittelella varians Billings 1861 demosponge
Rhopalocoelia clarkii Raymond and Okulitch 1940 demosponge
Psarodictyum magnificum Raymond and Okulitch 1940 demosponge |