BH-49 (Ordovician of Canada)

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 - 468.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: peritidal; lithified, massive, gray lime mudstone and wackestone

• "blue-gray, massive, internally thin bedded; thin, buff weathering dolomitic laminae; scattered lenses of lime packstone and grainstone throughout. Bioturbation most common toward top of bed; burrows buff weathering, dolomitized."

Size class: macrofossils

Collected by W. D. Boyce in 1976-87

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 106230: authorized by Melanie Hopkins, entered by Melanie Hopkins on 04.03.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Proetida - Bathyuridae
Petigurus nero Billings 1865 trilobite
Bolbocephalus convexus Billings 1865 trilobite
"Jeffersonia angustimarginata" = Jeffersonia jenni Cullison 1944 trilobite
Grinnellaspis newfoundlandensis Boyce 1989 trilobite
Strigigenalis implexa Loch 2007 trilobite
Brachiopoda indet. Cuvier 1805