Where: Quebec, Canada (45.3° N, 74.2° W: paleocoordinates 29.3° S, 61.0° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Ogdensburg Member (Beauharnois Formation), Cassinian (478.6 - 468.1 Ma)
• Strigigenalis caudata Zone
• bed-level stratigraphic resolution
Environment/lithology: lithified, dolomitic limestone and lithified packstone
Size class: macrofossils
Preservation: replaced with silica
Reposited in the GSC
Primary reference: S. Desbiens, T. E. Bolton, and A.D. McCracken. 1996. Fauna of the lower Beauharnois Formation (Beekmantown Group, Lower Ordovician), Grand île, Quebec. Canadian Journal of Earth Sciences 33(8):1132-1153 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 50065: authorized by Pete Wagner, entered by Pete Wagner on 05.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Isoteloides peri Fortey 1979 trilobite | |
Hystricurus conicus Billings 1859 trilobite | |
Strigigenalis caudata Billings 1865 trilobite
Bolbocephalus convexus Billings 1865 trilobite | |
Rhynchonellata | |
Finkelnburgia cullisoni Ulrich and Cooper 1936 | |
Rostroconchia | |
Ribeiria calcifera Billings 1865 | |
Gastropoda | |
""Maclurites" affinis" = Teiichispira affinis
""Maclurites" affinis" = Teiichispira affinis Billings 1865 snail | |
Lecanospira (Lecanospira) compacta Salter 1859 snail | |
Ceratopea canadensis Billings 1865 snail | |
Tergomya | |
? Archinacella simplex Billings 1865 |