Where: Quebec, Canada (50.2° N, 63.7° W: paleocoordinates 27.2° S, 46.9° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Bathyurus granulosus/Ceraurinella nahanniensis trilobite zone, upper Member (Mingan Formation), Whiterockian (470.0 - 457.3 Ma)
• Bathyurus granulosus (nearshore biofacies) and Ceraurinella nahanniensis (open shelf biofacies) biozones are partially concurrent (Tremblay and Westrop 1991).
Environment/lithology: lithified grainstone
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 111363: authorized by Melanie Hopkins, entered by Melanie Hopkins on 23.06.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Thaleops vindex Billings 1865 trilobite
Thaleops conifrons Billings 1859 trilobite
Thaleops raymondi Shaw 1968 trilobite
Illaenus bayfieldi Billings 1859 trilobite | |
Dolichoharpes sp. Whittington 1949 trilobite
Hibbertia valcourensis Shaw 1968 trilobite | |
Calyptaulax annulata Raymond 1905 trilobite | |
Encrinuroides sp. Reed 1931 trilobite
Cybeloides cf. prima Narraway and Raymond 1906 trilobite | |
Pliomerops canadensis Billings 1859 trilobite | |
Sphaerexochus parvus Billings 1865 trilobite
Sphaerocoryphe sp. Angelin 1854 trilobite
Ceraurinella pompilia Billings 1865 trilobite | |
Vogdesia obtusus Hall 1847 trilobite
Isotelus harrisi Raymond 1905 trilobite | |
Remopleurides canadensis Billings 1865 trilobite
Eorobergia marginalis Raymond 1925 trilobite | |
Amphilichas minganensis Billings 1865 trilobite | |
Uromystrum minor Raymond 1905 trilobite | |
Phorocephala setoni Shaw 1968 trilobite |