1996R012: Cassinian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Proetida
- Bathyuridae
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Jeffersonia timon
(Billings 1865)
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Rostroconchia
- Conocardiida
- Eopteriidae
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Euchasma blumenbachi
(Billings 1859)
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Gastropoda
- Euomphalina
- Raphistomatidae
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Euconia normani
(Billings 1865)
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| synonym of Ceratopea canadensis | |||||||
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Ceratopea numeria
(Billings 1865)
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Gastropoda
- Euomphalina
- Macluritidae
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Maclurites oceanus
(Billings 1865)
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| recombined as Maclurites oceana | |||||||
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Cephalopoda
- Bisonocerida
- Piloceratidae
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Cassinoceras wortheni
(Billings 1865)
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| Piloceras wortheni | |||||||
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Cephalopoda
- Ellesmerocerida
- Protocycloceratidae
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Protocycloceras lamarcki
(Billings 1859)
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Radiocyatha
- Soanitidae
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? Calathium sp.
Billings 1865
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| see common names | |||||||
Geography
| Country: | Canada | State/province: | Newfoundland and Labrador |
| Coordinates: | 48.5° North, 59.2° West (view map) | ||
| Paleocoordinates: | 32.2° South, 49.0° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Ordovician | Epoch: | Early/Lower Ordovician |
| 10 m.y. bin: | Ordovician 1-2 | ||
| Key time interval: | Cassinian | Trilobite zone: | Strigigenalis caudata |
| Age range of interval: | 482.00000 - 470.00000 m.y. ago |
Stratigraphy
| Geological group: | St. George | Formation: | Catoche | ||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Oepikodus communis conodont zone. Lower part of formation. | |||||
Lithology and environment
| Primary lithology: | lithified "limestone" |
| Includes fossils? | Y |
| Lithology description: The St. George Group is a 500-m-thick succession of subtidal and peritidal limestone and dolostone | |
| Environment: | peritidal |
Taphonomy
| Modes of preservation: | body,replaced with silica |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Also known as: | Garden Hill, western Port au Port Peninsula, closest up-dip beds to Hunt Oil-Pan Canadian Petroleum #1 Well Head (Prog. #94 106 01 01). | ||
| Database number: | 133134 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | J. Alroy | Research group: | marine invertebrate |
| Created: | 2012-09-02 19:36:22 | Last modified: | 2012-10-28 01:16:56 |
| Access level: | the public | Released: | 2012-09-02 19:36:22 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 42850. | D. M. Rohr, W. D. Boyce, and E. A. Measures. 2008. The rostroconch mollusc Euchasma Billings, 1865 from the Lower Ordovician Catoche Formation, western Newfoundland. Newfoundland Department of Mines and Energy, Report 08(1):79-91 [P. Wagner/P. Wagner] |