Assemblage 3: Givetian, France
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Dagnachometes cf. supragibbosus
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5 specimens | |||||||||
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Rhynchonellata
- Spiriferida
- Reticulariidae
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Undispirifer undiferus
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93 specimens | |||||||||
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Undispirifer ? grandis
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51 specimens | |||||||||
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Rhynchonellata
- Spiriferida
- Cyrtospiriferidae
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Cyrtospirifer verneuiliformis
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271 specimens | |||||||||
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Rhynchonellata
- Athyridida
- Athyrididae
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Athyris sp.
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64 specimens | |||||||||
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Rhynchonellata
- Atrypida
- Atrypidae
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Spinatrypa sp.
Stainbrook 1951
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32 specimens | |||||||||
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Desquamatia sola
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455 specimens | |||||||||
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Rhynchonellata
- Orthida
- Rhipidomellidae
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Aulacella sp.
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1 specimen | |||||||||
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Rhynchonellata
- Terebratulida
- Stringocephalidae
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Stringocephalus sp.
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6 specimens | |||||||||
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Stringocephalus burtini
(Defrance 1825)
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11 specimens | |||||||||
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Rhynchonellata
- Spiriferinida
- Cyrtinidae
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Cyrtina sp.
Davidson 1858
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9 specimens | |||||||||
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Rhynchonellata
- Rhynchonellida
- Trigonirhynchiidae
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Trigonirhynchiidae indet.
McLaren 1965
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16 specimens | |||||||||
| originally entered as "Trigonirhynchiidae sp." | ||||||||||
| see common names | ||||||||||
Geography
| Country: | France | State/province: | Boulonnais | County: | Ferques |
| Coordinates: | 46.0° North, 2.0° East (view map) | ||||
| Paleocoordinates: | 32.7° South, 26.7° East | ||||
| Basis of coordinate: | estimated from map |
Time
| Period: | Devonian | Epoch: | Middle Devonian |
| Stage: | Givetian | 10 m.y. bin: | Devonian 3 |
| Key time interval: | Givetian | ||
| Age range of interval: | 387.70000 - 382.70000 m.y. ago |
Stratigraphy
| Formation: | Blacourt | Member: | Couderousse | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: 5-6 meters thick | |||||
Lithology and environment
| Primary lithology: | micaceous,pyritic,gray calcareous "limestone" |
| Includes fossils? | Y |
| Lithology description: The sediments are represented by indurated bioclastic crinoidal pyrite-rich limestone with gray calcareous micaceous claystone. The microfacies consists of packstone-wackestone, reworked biomicrite and natural bioclsats of different sizes. | |
| Environment: | offshore |
Taphonomy
| Modes of preservation: | body |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | paleoecologic analysis |
Metadata
| Also known as: | Lower part of the Couderousse Member of the Blacourt Formation | ||
| Database number: | 65778 | ||
| Authorizer: | L. Ivany | Enterer: | C. Story |
| Modifier: | L. Ivany | Research group: | marine invertebrate |
| Created: | 2006-09-25 08:40:22 | Last modified: | 2006-09-25 21:58:00 |
| Access level: | the public | Released: | 2006-09-25 08:40:22 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 18890. | D. Brice. 2003. Brachiopod assemblages in the Devonian of Ferques (Boulonnais, France). Relations to palaeoenvironments and global eustatic curves. Bulletin of Geosciences 78(4):405-417 [L. Ivany/C. Story/C. Story] |