Locality 4, unit 6: Ashgillian - Wenlock, Canada
collected by R. Thorsteinsson 1950-
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Stromatoporoidea
- Stromatoporida
- Stromatoporidae
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? Stromatopora sp.
Goldfuss 1826
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Stromatoporoidea
- Clathrodictyida
- Clathrodictyidae
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Clathrodictyon sp.
Nicholson and Murie 1878
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Anthozoa
- Stauriida
- Amplexidae
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Amplexus propinquis
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Anthozoa
- Cystiphyllida
- Palaeocyclidae
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Rhabdocyclus sp.
Lang and Smith 1939
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Anthozoa
- Cystiphyllida
- Tryplasmatidae
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Porpites informal sp. A aff. propitus
Schlotheim 1820
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Porpites informal sp. B
Schlotheim 1820
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Anthozoa
- Heliolitida
- Halysitidae
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Halysites sp.
von Waldheim 1813
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Halysites catenulatus
(Linnaeus 1767)
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recombined as Halysites catenularius | |||||||
Anthozoa
- Favositida
- Favositidae
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Favosites informal sp. B aff. pyriformis
Lamarck 1816
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Favosites favosus
Goldfuss 1826
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Anthozoa
- Favositida
- Micheliniidae
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? Michelinia sp.
de Koninck 1841
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see common names |
Geography
Country: | Canada | State/province: | Northwest Territories | County: | Cornwallis Island |
Coordinates: | 74.7° North, 94.8° West (view map) | ||||
Paleocoordinates: | 6.5° North, 37.4° West | ||||
Basis of coordinate: | estimated from map | ||||
Geographic resolution: | outcrop |
Time
Key time interval: | Ashgillian - Wenlock |
Age range of interval: | 449.50000 - 427.40000 m.y. ago |
Stratigraphy
Formation: | Allen Bay |
Lithology and environment
Primary lithology: | gray lithified carbonaceous dolomite |
Lithology description: Dolomite; biostromal, brownish grey, stained brownish black by bituminous residue, weathering to greyish yellow, thin-bedded, slabby, hard, vuggy, finely crystalline; petroliferous odour when struck or broken | |
Environment: | marine indet. |
Taphonomy
Modes of preservation: | cast,replaced with silica |
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | surface (in situ),chemical,field collection | ||
Reason for describing collection: | taxonomic analysis | ||
Museum repositories: | GSC | ||
Collectors: | R. Thorsteinsson | Collection dates: | 1950-53 |
Taxonomic list comments:Identified by A. E. Wilson |
Metadata
Database number: | 188780 | ||
Authorizer: | M. Hopkins | Enterer: | M. Hopkins | Research group: | marine invertebrate |
Created: | 2017-09-18 16:45:44 | Last modified: | 2017-09-18 16:45:44 |
Access level: | the public | Released: | 2017-09-18 16:45:44 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
63386. | R. Thorsteinsson. 1958. Cornwallis and Little Cornwallis Islands, District of Franklin, Northwest Territories. Geological Survey of Canada Memoirs 294:1-134 [M. Hopkins/M. Hopkins/M. Hopkins] |