Sangsurière Fm., Saint-Germain-sur-Ay: Late Ordovician, France
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Trilobita
- Phacopida
- Dalmanitidae
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Crozonaspis dujardini
(Rouault 1847)
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| see common names | |||||||
Geography
| Country: | France | State/province: | Manche |
| Coordinates: | 49.2° North, 1.6° West (view map) | ||
| Paleocoordinates: | 68.0° South, 63.0° East | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | Epoch: | Late Ordovician |
| 10 m.y. bin: | Ordovician 4-5 | ||
| Key time interval: | Late Ordovician | ||
| Age range of interval: | 458.4 - 443.8 m.y. ago |
Stratigraphy
| Formation: | Sangsurière | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Caradoc | |||||
Lithology and environment
| Primary lithology: | micaceous lithified "siliciclastic" |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | mold/impression |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | all microfossils,some macrofossils,species names |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Trilobite taxonomy | |
Metadata
| Database number: | 174729 | ||
| Authorizer: | D. Gendry | Enterer: | D. Gendry | Research group: | marine invertebrate |
| Created: | 2015-11-25 12:53:33 | Last modified: | 2015-11-25 12:53:33 |
| Access level: | database members | Released: | 2016-02-25 12:53:33 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 56963. | J.-L. Henry. 1980. Trilobites ordoviciens du Massif armoricain. Mémoires de la Société Géologique et Minéralogique de Bretagne 22:1-250 [D. Gendry/D. Gendry] |