Shaw collection Wo-2 (Ordovician of Canada)

Where: Quebec, Canada (50.2° N, 63.2° W: paleocoordinates 27.4° S, 46.5° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Bathyurus granulosus/Ceraurinella nahanniensis small shelly zone, lower Member (Mingan Formation), Whiterockian (471.8 - 457.5 Ma)

• Bathyurus granulosus (nearshore biofacies) and Ceraurinella nahanniensis (open shelf biofacies) biozones are partially concurrent (Tremblay and Westrop 1991).

Environment/lithology: lithology not reported

• see also Shaw 1980

Size class: macrofossils

Collected by F. C. Shaw in the 1960s-70s; reposited in the GSC

• "Field work for the present report was undertaken in 1966, 1971, and 1972 by F. C. Shaw and in 1978 by T. E. Bolton, M. J. Copeland, and G. S. Nowlan. Additional material was supplied by A. A. Petryk, A. Desrochers, and S. Desbiens."

Primary reference: F. C. Shaw and T. E. Bolton. 2011. Ordovician trilobites from the Romaine and Mingan Formations (Ibexian-Late Whiterockian), Mingan Islands, Quebec. Journal of Paleontology 85(3):406-441 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 111438: authorized by Melanie Hopkins, entered by Melanie Hopkins on 24.06.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

 Proetida - Bathyuridae
Bathyurus eskimoensis Twenhofel 1938 trilobite
 Asaphida - Asaphidae
Isotelus harrisi Raymond 1905 trilobite