Where: Newfoundland and Labrador, Canada (51.6° N, 56.0° W: paleocoordinates 31.2° S, 47.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Strigigenalis brevicaudata trilobite zone, Barbace Cove Member (Boat Harbour Formation), Jeffersonian (485.4 - 470.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: peritidal; lithified, intraclastic, gray lime mudstone and wackestone
Size class: macrofossils
Collected by W. D. Boyce in 1976-87
• 4.24 m thick unit collected at cm scale but only ranges reported. New biozone begins in top 60 cm of unit; these beds described in different collection record [=BH 94-95].
Primary reference: W. D. Boyce. 1989. Early Ordovician trilobite faunas of the Boat Harbour and Catoche Formations (St. George Group) in the Boat-Harbour-Cape Norman area, Great Northern Peninsula, western Newfoundland. Geological Survey Branch, Department of Mines and Energy, Newfoundland and Labrador, Report 89-2 1-168 [M. Hopkins/M. Hopkins]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 106236: authorized by Melanie Hopkins, entered by Melanie Hopkins on 04.03.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Trilobita | |
"Bolbocephalus stevensi" = Strigigenalis stevensi, Strigigenalis brevicaudata n. sp., Grinnellaspis newfoundlandensis n. sp., "Benthamaspis hintzei" = Benthamaspis conica, Bolbocephalus convexus, Petigurus nero, "Jeffersonia angustimarginata" = Jeffersonia jenni
"Bolbocephalus stevensi" = Strigigenalis stevensi Boyce 1989 trilobite
Strigigenalis brevicaudata n. sp. Boyce 1989 trilobite
Grinnellaspis newfoundlandensis n. sp. Boyce 1989 trilobite
"Benthamaspis hintzei" = Benthamaspis conica Fortey 1979 trilobite
Bolbocephalus convexus Billings 1865 trilobite
Petigurus nero Billings 1865 trilobite
"Jeffersonia angustimarginata" = Jeffersonia jenni Cullison 1944 trilobite | |
Isoteloides peri Fortey 1979 trilobite |