Where: Newfoundland and Labrador, Canada (51.6° N, 55.9° W: paleocoordinates 30.1° S, 45.3° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Strigigenalis caudata trilobite zone, Catoche Formation (St. George Group), Cassinian (482.3 - 470.0 Ma)
Environment/lithology: peritidal; lithified, gray lime mudstone and wackestone
Size class: macrofossils
Collected by W. D. Boyce in 1976-87
• 10.8 meter unit collected at cm scale but only trilobite ranges reported.
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 106241: authorized by Melanie Hopkins, entered by Melanie Hopkins on 04.03.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Illaenus sp. Dalman 1827 trilobite | |
Uromystrum cf. affine, Benthamaspis conica, Benthamaspis cf. conica, Bathyurellus abruptus, "Jeffersonia angustimarginata" = Jeffersonia jenni, Jeffersonia timon, Bolbocephalus convexus, Bolbocephalus kindlei, Catochia ornata, Petigurus nero, Strigigenalis caudata
Uromystrum cf. affine Poulsen 1937 trilobite
Benthamaspis conica Fortey 1979 trilobite
Benthamaspis cf. conica Fortey 1979 trilobite
Bathyurellus abruptus Billings 1865 trilobite
"Jeffersonia angustimarginata" = Jeffersonia jenni Cullison 1944 trilobite
Jeffersonia timon Billings 1865 trilobite
Bolbocephalus convexus Billings 1865 trilobite
Bolbocephalus kindlei Boyce 1989 trilobite
Catochia ornata Fortey 1979 trilobite
Petigurus nero Billings 1865 trilobite
Strigigenalis caudata Billings 1865 trilobite | |
Ischyrotoma anataphra Fortey 1979 trilobite | |
Strotactinus insularis Billings 1865 trilobite | |
"Isoteloides latimarginatus" = Isoteloides canalis
"Isoteloides latimarginatus" = Isoteloides canalis Whitfield 1886 trilobite |