Where: Québec, Canada (49.4° N, 62.3° W: paleocoordinates 21.3° S, 34.8° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Oulodus? nathani zone, Becscie Formation (Anticosti Group), Alexandrian (443.4 - 436.0 Ma)
• Basal Becscie or Bolton's Member 6, Ellis Bay Formation
• member-level stratigraphic resolution
Environment/lithology: limestone and shale
Size class: macrofossils
Collection methods: Brachiopods, bryozoans, trilobites, and gastropods also found in collection.
Primary reference: C. R. Barnes, A. A. Petryk, and T. E. Bolton. 1981. Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:1-24 [S. Holland/T. Hanson/S. Bruning]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 24447: authorized by Steven Holland, entered by Tori Hanson on 07.08.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Pterobranchia | |
"Climacograptus normalis" = Normalograptus normalis
"Climacograptus normalis" = Normalograptus normalis Lapworth 1877 graptolite | |
Crinoidea | |
? Glyptocrinus sp. Hall 1847 Sea lily | |
Calceocrinus sp. Hall 1852 Sea lily | |
Lingulata | |
Trematis sp. Sharpe 1848 | |
Strophomenata | |
Leptaena sp. Dalman 1828 | |
Rhynchonellata | |
Parastrophinella reversa Billings 1857 | |
Trilobita | |
Lichas sp. Dalman 1827 trilobite | |
Primaspis sp. Richter and Richter 1917 trilobite
Primaspis reversa trilobite |