Where: Quebec, Canada (45.3° N, 74.1° W: paleocoordinates 29.3° S, 61.0° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Oepikodus communis conodont zone, Ogdensburg Member (Beauharnois Formation), Cassinian (482.3 - 470.0 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 50062: authorized by Pete Wagner, entered by Pete Wagner on 05.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
Rhynchonellata | |
Finkelnburgia cullisoni Ulrich and Cooper 1936 | |
Rostroconchia | |
Ribeiria calcifera Billings 1865 | |
Gastropoda | |
Hormotoma artemesia Billings 1865 snail | |
"Barnesella sp." = Lecanospira
"Barnesella sp." = Lecanospira Butts 1926 snail | |
Ceratopea canadensis Billings 1865 snail | |
""Maclurites" affinis" = Teiichispira affinis
""Maclurites" affinis" = Teiichispira affinis Billings 1865 snail | |
Trilobita | |
Isoteloides sp. Raymond 1910 trilobite
Isoteloides canalis Whitfield 1886 trilobite | |
? Ischyrotoma sp. Raymond 1925 trilobite | |
"Jeffersonia sp." = Jeffersonia, "? Bathyurina sp." = Jeffersonia, Jeffersonia cf. timon, Strigigenalis caudata, "Goniotelina subrectus" = Acidiphorus
"Jeffersonia sp." = Jeffersonia Poulson 1927 trilobite
"? Bathyurina sp." = Jeffersonia Poulson 1927 trilobite
Jeffersonia cf. timon Billings 1865 trilobite
Strigigenalis caudata Billings 1865 trilobite
"Goniotelina subrectus" = Acidiphorus trilobite | |
Hystricurus cf. deflectus Heller 1954 trilobite |