Quarry 2.2 km north of the Ouiatchouaniche River, Roberval: Edenian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Asaphida - Remopleurididae
Hypodicranotus striatulus (Walcott 1875)
Trilobita - Phacopida - Cheiruridae
Ceraurus matranseris Sinclair 1947
see common names

Geography
Country:Canada State/province:Quebec County:Lac Saint-Jean
Coordinates: 48.5° North, 72.2° West (view map)
Paleocoordinates:23.9° South, 48.3° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 4
Key time interval:Edenian
Age range of interval:460.90000 - 449.50000 m.y. ago
Stratigraphy
Formation:Shipshaw Member:Unit 1
Stratigraphic resolution:member
Lithology and environment
Primary lithology: "shale"
Secondary lithology: wackestone
Lithology description: This unit is a succession of shale and interbedded wackestone, packstone, and grainstone that is up to 15 m in thickness
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Museum repositories:GSC
Metadata
Database number:163862
Authorizer:P. Wagner Enterer:P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2014-11-18 18:56:40 Last modified:2014-11-18 18:59:10
Access level:the public Released:2014-11-18 18:56:40
Creative Commons license:CC BY
Reference information

Primary reference:

53465. P. J. Lespérance and D. Desbiens. 1995. Selected Ordovician trilobites from the Lake St. John District of Quebec and their bearing on systematics. Paleontological Society Memoir 42:1-19 [P. Wagner/P. Wagner]