Anticosti Island, base of Becscie Fm, east side of Baie Ellis, section 0, C32: Rhuddanian - Aeronian, Canada
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Conodonta
- Panderodontida
- Panderodontidae
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Panderodus unicostatus
(Branson and Mehl 1933)
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65 specimens | ||||||
| original and current combination Paltodus unicostatus | |||||||
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Conodonta
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Rexroadus nathani
(McCracken and Barnes 1981)
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6 specimens | ||||||
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Conodonta
- Ozarkodinida
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Ozarkodina hassi
(Pollock et al. 1970)
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11 specimens | ||||||
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Conodonta
- Prioniodontida
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Pseudooneotodus beckmanni
(Bischoff and Sannemann 1958)
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2 specimens | ||||||
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Conodonta
- Belodellida
- Belodellidae
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Walliserodus curvatus
(Branson and Branson 1947)
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15 specimens | ||||||
| see common names | |||||||
Geography
| Country: | Canada | State/province: | Quebec |
| Coordinates: | 49.8° North, 64.3° West (view map) | ||
| Paleocoordinates: | 21.0° South, 36.5° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | outcrop |
Time
| Period: | Silurian | Epoch: | Llandovery |
| 10 m.y. bin: | Silurian 1 | ||
| Key time interval: | Rhuddanian - Aeronian | ||
| Age range of interval: | 443.80000 - 438.50000 m.y. ago |
Stratigraphy
| Formation: | Becscie | ||||
| Stratigraphy comments: lower half of the Llandovery (Lower Silurian) succession of Rhuddanian-
early Aeronian age |
Lithology and environment
| Primary lithology: | argillaceous mudstone |
| Lithology description: argillaceous, mud-dominated | |
| Environment: | offshore indet. |
| Geology comments: The Becscie Formation, approximately 130 m thick, was interpreted as deposited on a low-energy, muddy, carbonate to argillaceous ramp subject to short-lived, episodic, highenergy storms. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | mesofossils,microfossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 142518 | ||
| Authorizer: | W. Kiessling | Enterer: | M. Krause | Research group: | marine invertebrate |
| Created: | 2013-04-12 22:18:00 | Last modified: | 2013-04-12 07:18:00 |
| Access level: | authorizer only | Released: | 2013-07-12 22:18:00 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 46270. | S. Zhang and C. R. Barnes. 2002. A New Llandovery (Early Silurian) Conodont Biozonation and Conodonts from the Becscie,Merrimack, and Gun River Formations, Anticosti Island, Québec. Memoir (The Paleontological Society) [W. Kiessling/M. Krause] |