Anticosti Island, Salmon River (8-Mile Pool), Ellis Bay Formation Member 6: Hirnantian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Crinoidea
- Monobathrida
- Xenocrinidae
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Xenocrinus rubus
Ausich and Copper 2010
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Ausich and Copper 2010 | |||||||||
| temporary occurrence until collection can be id'ed | ||||||||||
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Anthozoa
- Stauriida
- Stauriidae
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Palaeophyllum clion
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Stromatoporoidea
- Clathrodictyida
- Clathrodictyidae
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Clathrodictyon sp.
Nicholson and Murie 1878
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| see common names | ||||||||||
Geography
| Country: | Canada | State/province: | Québec |
| Coordinates: | 49.4° North, 62.3° West (view map) | ||
| Paleocoordinates: | 22.5° South, 36.4° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Late/Upper Ordovician |
| Stage: | Hirnantian | 10 m.y. bin: | Ordovician 5 |
| *Period: | Late/Upper Ordovician | *Epoch: | Ashgillian | *Local age/stage: | Richmondian |
| Key time interval: | Hirnantian | Graptolite zone: | Normalograptus persculptus |
| Age range of interval: | 445.20000 - 443.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Geological group: | Jolliet | Formation: | Ellis Bay | Member: | Laframboise |
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: Petryk's Member 6. Most of Member 6 now is in Bescie; however, biohermal beds are in | |||||
Lithology and environment
| Primary lithology: | bioturbation,gray argillaceous "limestone" |
| Secondary lithology: | "shale" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: "6 m of rubbly, thin-bedded, argillaceous, bioturbated limestone and interbedded shale occur in which the limestone is mainly dark grey to blue-grey, lime mudstone to skeletal wackestone, with rare packstone and grainstone." | |
| Environment: | carbonate indet. |
| Geology comments: Environmental call by T. Hanson. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: Collection also includes brachiopod, bryozoan, and crinoidal debris. | |
Metadata
| Database number: | 24443 | ||
| Authorizer: | S. Holland, P. Wagner | Enterer: | T. Hanson, P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2002-08-07 15:47:42 | Last modified: | 2018-03-13 14:25:30 |
| Access level: | the public | Released: | 2002-08-07 15:47:42 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 6866. | C. R. Barnes, A. A. Petryk, and T. E. Bolton. 1981. Anticosti Island, Québec. In P. J. Lespérance (ed.), Field meeting, Anticosti-Gaspé, Québec, 1981: IUGS Subcommssion on Silurian Stratigraphy, Ordovician-Silurian Boundary Working Group Guidebook 1:1-24 [S. Holland/T. Hanson/S. Bruning] |
Secondary references:
| 60679 | W. I. Ausich and P. Copper. 2010. The Crinoidea of Anticosti Island, Quebec (Late Ordovician to Early Silurian). Palaeontographica Canadiana (29)1-157 [W. Ausich/L. Cole] |