Where: Newfoundland and Labrador, Canada (51.6° N, 56.0° W)
• Paleocoordinates: 1.2° S, 82.3° W (Wright 2013)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Strigigenalis caudata trilobite zone, Catoche Formation (St. George Group), Cassinian (483.4 - 471.3 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: peritidal; lithified, massive, gray lime mudstone and wackestone
Size class: macrofossils
Collected by W. D. Boyce in 1976-87
• Unit was collected at cm scale but trilobite occurrences reported as ranges within unit.
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 106238: authorized by Melanie Hopkins, entered by Melanie Hopkins on 04.03.2011
Creative Commons license: CC0 (CC0)
Taxonomic list
Deuteropoda | |
Ostracoda indet. Latreille 1802 ostracod | |
Artiopoda | |
"Jeffersonia angustimarginata n. sp." = Jeffersonia jenni, Catochia ornata, Petigurus nero, Bolbocephalus convexus, Strigigenalis caudata, Grinnellaspis newfoundlandensis, "Benthamaspis hintzei n. sp." = Benthamaspis conica, Uromystrum affine
"Jeffersonia angustimarginata n. sp." = Jeffersonia jenni Cullison 1944 trilobite
Catochia ornata Fortey 1979 trilobite
Petigurus nero Billings 1865 trilobite
Bolbocephalus convexus Billings 1865 trilobite
Strigigenalis caudata Billings 1865 trilobite
Grinnellaspis newfoundlandensis Boyce 1989 trilobite
"Benthamaspis hintzei n. sp." = Benthamaspis conica Fortey 1979 trilobite
Uromystrum affine Poulsen 1937 trilobite | |
Ischyrotoma parallela n. sp.
Ischyrotoma parallela n. sp. Boyce 1989 trilobite | |
Isoteloides peri Fortey 1979 trilobite | |
Brachiopoda | |
Brachiopoda indet. Cuvier 1805 | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Cephalopoda | |
Cephalopoda indet. Cuvier 1797 |