White Head Formation, Mont Joli, Perce, Quebec: Edenian - Gamachian, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Atrypida - Cyclospiridae
Cyclospira minuscula
Strophomenata - Strophomenida - Leptestiidae
Diambonia septata (Cooper 1930)
recombined as Leangella (Leangella) septata
Trilobita - Trinucleida - Raphiophoridae
Lonchodomas longirostris
Trilobita - Trinucleida - Trinucleidae
Tretaspis clarkei
Trilobita - Asaphida - Asaphidae
Isotelus sp. Dekay 1824
Trilobita - Asaphida - Cyclopygidae
Cyclopyge kindlei Schuchert and Cooper 1930
recombined as Microparia (Heterocyclopyge) kindlei
Trilobita - Corynexochida - Illaenidae
Illaenus perceensis Schuchert and Cooper 1930
recombined as Stenopareia perceensis
Trilobita - Phacopida - Pterygometopidae
Calyptaulax compressa
Calyptaulax glabella Cooper 1930
Trilobita - Phacopida - Calymenidae
Calymene consimilis Schuchert and Cooper 1930
recombined as Diacalymene consimilis
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 48.5° North, 64.2° West (view map)
Paleocoordinates:25.3° South, 41.5° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
10 m.y. bin:Ordovician 5
Key time interval:Edenian - Gamachian
Age range of interval:451.10000 - 443.80000 m.y. ago
Stratigraphy
Formation:White Head
Stratigraphic resolution:formation
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: lithified "shale"
Includes fossils?Y
Lithology description: alternating limestone and shale layers, most fossiliferous about 75 feet south of the fault contact with the Mont Joli Formation
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:37791
Authorizer:S. Holland Enterer:S. Holland
Modifier:S. Holland Research group:marine invertebrate
Created:2004-03-24 05:37:19 Last modified:2004-03-24 14:26:46
Access level:the public Released:2004-03-24 05:37:19
Creative Commons license:CC BY
Reference information

Primary reference:
10044. G. A. Cooper and C.H. Kindle. 1936. New brachiopods and trilobites from the Ordovician of Perce, Quebec. Journal of Paleontology 10(5):348-372 [S. Holland/S. Holland/S. Holland]