Echinoidea, Site 46, Lignières, Paris basin: Early/Lower Hauterivian, France
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Echinoidea
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Echinoidea indet.
(Leske 1778)
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1 specimen | |||||||||
| Regular echinoid | ||||||||||
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Echinoidea
- Holasteroida
- Holasteridae
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Holaster intermedius
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9 specimens | |||||||||
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Echinoidea
- Spatangoida
- Toxasteridae
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Toxaster retusus
(Lamarck 1816)
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61 specimens | |||||||||
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Echinoidea
- Nucleolitidae
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Phyllobrissus gresslyi
(Agassiz 1839)
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2 specimens | |||||||||
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Plagiochasma olfersii
(Agassiz 1836)
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1 specimen | |||||||||
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Echinoidea
- Clypeidae
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Pygurus montmolini
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1 specimen | |||||||||
| see common names | ||||||||||
Geography
| Country: | France |
| Coordinates: | 47.9° North, 4.0° East (view map) |
| Paleocoordinates: | 38.6° North, 13.5° East |
| Basis of coordinate: | based on nearby landmark |
| Altitude: | 646 meters |
| Geographic resolution: | hand sample |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Early/Lower Hauterivian | ||
| Age range of interval: | 132.60000 - 125.77000 m.y. ago |
Stratigraphy
| Formation: | Calcaires à spatangues |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | glauconitic,gray,yellow poorly lithified sandy packstone | ||
| Includes fossils? | Y | ||
| Environment: | deep subtidal indet. | Tectonic setting: | cratonic basin |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Temporal resolution: | time-averaged |
Collection methods and comments
| Collection excludes: | difficult macrofossils |
| Collection methods: | surface (float),field collection |
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 69067 | ||
| Authorizer: | L. Villier | Enterer: | L. Villier |
| Modifier: | L. Villier | Research group: | marine invertebrate |
| Created: | 2007-02-16 08:46:49 | Last modified: | 2008-11-17 04:39:29 |
| Access level: | the public | Released: | 2007-02-16 08:46:49 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 19901. | B. David. 1985. La variation chez les échinides irréguliers. Dimensions ontogénétiques, écologiques, évolutives. Thèse de l'Université de Dijon 1-302 [L. Villier/L. Villier] |