West Isthmus Bay section, Barbace Cove member (Ordovician of Canada)

Where: Newfoundland, Canada (48.5° N, 58.7° W: paleocoordinates 32.5° S, 49.2° W)

• coordinate estimated from map

When: Barbace Cove Member (Boat Harbour Formation), Floian (477.7 - 470.0 Ma)

Environment/lithology: shallow subtidal; limestone and stromatolitic, thrombolitic grainstone

• Cyclic peritidal carbonates
• shale beds, dolomitic lime wackestone

Size classes: macrofossils, mesofossils

Primary reference: W. D. Boyce and I. Knight. 2010. Macropaleontological investigation of the Upper St. George Group, West Isthmus Bay to East Bay section, Port au Port Peninsula, Western Newfoundland. Current Research 10(1):219-44 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 195746: authorized by Björn Kröger, entered by Björn Kröger on 22.08.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Asaphida - Asaphidae
Isoteloides peri Fortey 1979 trilobite
 Proetida - Bathyuridae
Benthamaspis ? sp. Poulsen 1946 trilobite
Bathyurellus abruptus Billings 1865 trilobite
"Peltabellia crassimarginata" = Strigigenalis crassimarginata Cullison 1944 trilobite
Bolbocephalus convexus Billings 1865 trilobite
Petigurus nero Billings 1865 trilobite
"Jeffersonia angustimarginata" = Jeffersonia jenni Cullison 1944 trilobite
Lingulata
 Lingulida - Obolidae
Lingulella sp. Salter 1866
Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia sp. Ulrich and Cooper 1936
Gastropoda
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail
 Euomphalina - Ophiletidae
Malayaspira affinis Billings 1865 snail
[Malayaspira affines]
Ophileta sp. Vanuxem 1842 snail
Lytospira sp. Koken 1896 snail
Lecanospira sp. Butts 1926 snail
 Euomphalina - Raphistomatidae
"Pleurotomaria normani" = Ceratopea canadensis Billings 1865 snail
Ceratopea cf. capuliformis Oder 1932 snail
Ceratopea sp. cf. C. capuliformis
 Murchisoniina - Hormotomidae
Hormotoma sp. Salter 1859 snail
Cephalopoda
 Ellesmerocerida - Protocycloceratidae
 Tarphycerida - Estonioceratidae
Pycnoceras apertum Hyatt 1894
 Tarphycerida - Tarphyceratidae
 Bisonocerida - Piloceratidae
Cassinoceras wortheni Billings 1865