GSC 95785: Whiterockian, Canada
collected by T.E. Bolton 1978

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Harpetida - Harpetidae
Hibbertia valcourensis (Shaw 1968)
Harpes valcourensis
Trilobita - Lichida - Lichidae
Amphilichas minganensis (Billings 1865)
Trilobita - Ptychopariida - Raymondinidae
Glaphurina decipiens (Raymond 1925)
Trilobita - Asaphida - Remopleurididae
Remopleurides canadensis Billings 1865
Trilobita - Corynexochida - Styginidae
Failleana limbata (Raymond 1910)
Trilobita - Corynexochida - Illaenidae
Thaleops vindex (Billings 1865)
Thaleops raymondi (Shaw 1968)
Stenopareia globosus (Billings 1859)
Trilobita - Phacopida - Encrinuridae
Cybeloides cf. prima (Narraway and Raymond 1906)
corrected as Cybele primus
Trilobita - Phacopida - Cheiruridae
Ceraurinella pompilia (Billings 1865)
Sphaerexochus parvus Billings 1865
Trilobita - Phacopida - Pterygometopidae
Calyptaulax cf. annulata (Raymond 1905)
recombined as Calliops annulatus
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 50.2° North, 64.1° West (view map)
Paleocoordinates:27.1° South, 47.1° West
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Ordovician
Key time interval:Whiterockian Trilobite zone: Bathyurus granulosus/Ceraurinella nahanniensis
Age range of interval:471.80000 - 457.50000 m.y. ago
Stratigraphy
Formation:Mingan Member:middle
Stratigraphy comments: Bathyurus granulosus (nearshore biofacies) and Ceraurinella nahanniensis (open shelf biofacies) biozones are partially concurrent (Tremblay and Westrop 1991).
Lithology and environment
Primary lithology: not reported
Environment:carbonate indet. Tectonic setting:passive margin
Geology comments: see also Shaw 1980
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:survey of museum collection
Reason for describing collection:biostratigraphic analysis
Museum repositories:GSC
Collectors:T.E. Bolton Collection dates:1978
Collection method comments: Paper states that: "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." GSC locality numbers all likely to have been collected by Bolton and others in 1978 (Shaw collections are listed separately).
Metadata
Database number:111441
Authorizer:M. Hopkins Enterer:M. Hopkins
Modifier:M. Hopkins Research group:marine invertebrate
Collections that are a subset of this one:175244
Created:2011-06-24 03:32:34 Last modified:2011-06-23 14:13:44
Access level:the public Released:2011-06-24 03:32:34
Creative Commons license:CC BY
Reference information

Primary reference:

36489. 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]