Mingan Fm., Perroquet Mbr. Loc. 1-2: Chazyan, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae - Streptosolenidae
Hudsonospongia minganensis Raymond and Okulitch 1940
Hudsonospongia duplicata Raymond and Okulitch 1940
Hudsonospongia irregularis Raymond and Okulitch 1940
Lissocoelia ramosa Bassler 1927
Demospongiae - Anthaspidellidae
Anthaspidella amplia n. sp. Rigby and Desrochers 1995
Zittelella varians Billings 1861
Psarodictyum magnificum Raymond and Okulitch 1940
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 50.2° North, 64.1° West (view map)
Paleocoordinates:26.2° South, 45.6° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Ordovician
10 m.y. bin:Ordovician 2-4
Key time interval:Chazyan
Age range of interval:470.00000 - 457.00000 m.y. ago
Stratigraphy
Formation:Mingan Member:Perroquet
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:dolomitic,stromatolitic lithified wackestone
Secondary lithology:dolomitic lithified grainstone
Includes fossils?Y
Includes fossils?Y
Environment:reef, buildup or bioherm
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection,survey of museum collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:66133
Authorizer:S. Peters Enterer:S. Peters
Modifier:S. Peters Research group:marine invertebrate
Created:2006-09-29 11:22:54 Last modified:2024-03-31 19:20:59
Access level:the public Released:2006-09-29 11:22:54
Creative Commons license:CC BY
Reference information

Primary reference:
18941. J. K. Rigby and A. Desrochers. 1995. Lower and Middle Ordovician lithistid demosponges from the Mingan Islands, Gulf of St. Lawrence, Quebec, Canada. Journal of Paleontology Memoir 69(4):1-35 [S. Peters/S. Peters]