Anticosti Island, Rhuddanian, Gun River Fm - Patzkowsky: Aeronian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Stauriida
- Ptychophyllidae
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Cyathactis euryone
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Anthozoa
- Stauriida
- Streptelasmatidae
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Dinophyllum hannah
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Streptelasma anticostiensis
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Anthozoa
- Heliolitida
- Proporidae
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Propora conferta
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Anthozoa
- Favositida
- Favositidae
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Favosites gothlandicus
Lamarck 1816
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Paleofavosites asper
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Paleofavosites capax
(Billings 1866)
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Quebec |
| Coordinates: | 49.5° North, 63.0° West (view map) | ||
| Paleocoordinates: | 21.1° South, 35.3° West | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | local area |
Time
| Period: | Silurian | Epoch: | Llandovery |
| Stage: | Aeronian | 10 m.y. bin: | Silurian 1 |
| *Period: | Early/Lower Silurian | *Epoch: | Middle Llandovery |
| Key time interval: | Aeronian | ||
| Age range of interval: | 440.80000 - 438.50000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Gun River |
| Stratigraphic resolution: | formation |
Lithology and environment
| Primary lithology: | lithified mudstone |
| Secondary lithology: | shelly/skeletal lithified wackestone |
| Lithology description: Lime mudstones, packstones and grainstones, but more lime mudstones than others. Intrarudstone and ball-and-pilow slump structures common; reefal or biohermal zones near top of formation. | |
| Environment: | shallow subtidal indet. |
| Geology comments: Lithologic description is for the entire formation. | |
Taphonomy
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Anthozoa only. | |
Metadata
| Database number: | 12939 | ||
| Authorizer: | M. Patzkowsky | Enterer: | A. Krug |
| Modifier: | C. Visaggi | Research group: | marine invertebrate |
| Created: | 2002-01-11 13:18:33 | Last modified: | 2004-07-07 20:29:20 |
| Access level: | the public | Released: | 2002-01-11 13:18:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 4309. | T. E. Bolton. 1981. Late Ordovician and Early Anthozoa of Anticosti Island, Quebec. IUGS Subcommission on Silurian Stratigraphy, Ordovician - Silurian Boundary Working Group, Field Meeting, Anticosti - Gaspe, Quebec, 1981 2:107-109 [M. Patzkowsky/A. Krug] |