Mingan Fm., Grand Pointe Mbr. Loc. 10: Chazyan, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Demospongiae
- Anthaspidellidae
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Psarodictyum magnificum
Raymond and Okulitch 1940
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Anthaspidella amplia n. sp.
Rigby and Desrochers 1995
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Zittelella varians
Billings 1861
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Zittelella grossa
Rigby and Desrochers 1995
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Rhopalocoelia clarkii
Raymond and Okulitch 1940
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Demospongiae
- Streptosolenidae
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Hudsonospongia minganensis
Raymond and Okulitch 1940
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Hudsonospongia irregularis
Raymond and Okulitch 1940
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see common names |
Geography
Country: | Canada | State/province: | Quebec |
Coordinates: | 50.2° North, 63.6° West (view map) | ||
Paleocoordinates: | 26.3° South, 45.3° 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 - 457 m.y. ago |
Stratigraphy
Formation: | Mingan | Member: | Grande Pointe |
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: | 66134 | ||
Authorizer: | S. Peters | Enterer: | S. Peters |
Modifier: | S. Peters | Research group: | marine invertebrate |
Created: | 2006-09-29 11:28:29 | Last modified: | 2024-03-31 19:20:59 |
Access level: | the public | Released: | 2006-09-29 11:28:29 |
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] |