Asteroidea, Coniacian-Santonian boundary, Dieppe, Seine-Maritime: Late Coniacian - Early Santonian, France
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Asteroidea
- Paxillosida
- Astropectinidae
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Astropectinidae indet.
Gray 1840
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Lophidiaster ornatus
Spencer 1913
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Asteroidea
- Valvatida
- Stauranderasteridae
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Hadranderaster simplex
(Geinitz 1871)
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Aspidaster bulbiferus
(Forbes 1848)
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Asteroidea
- Valvatida
- Pycinasteridae
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Pycinaster angustatus
(Forbes 1848)
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Asteroidea
- Valvatida
- Sphaerasteridae
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Valettaster argus
(Spencer 1907)
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Valettaster ocellatus
(Forbes 1848)
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Asteroidea
- Valvatida
- Goniasteridae
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Caletaster girardi
Breton 1978
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Metopaster parkinsoni
(Forbes 1848)
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Metopaster uncatus
(Forbes 1848)
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Metopaster hunteri
(Forbes 1848)
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Ophryaster oligoplax
(Sladen 1891)
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Crateraster quinqueloba
(Goldfuss 1833)
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Nymphaster ornatus
(Schulz and Weitschat 1975)
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Nymphaster humilis
(Schulz and Weitschat 1975)
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Asteroidea
- Valvatida
- Chaetasteridae
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Arthraster cristatus
Spencer 1907
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| see common names | |||||||
Geography
| Country: | France | County: | Seine-Maritime |
| Coordinates: | 49.9° North, 1.1° East (view map) | ||
| Paleocoordinates: | 39.9° North, 3.0° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | local area |
Time
| Period: | Cretaceous | Epoch: | Late Cretaceous |
| Stage: | Coniacian - Santonian | 10 m.y. bin: | Cretaceous 6 |
| Key time interval: | Late Coniacian - Early Santonian | ||
| Age range of interval: | 89.8 - 83.6 m.y. ago |
Stratigraphy
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | poorly lithified wackestone | ||
| Includes fossils? | Y | ||
| Environment: | offshore shelf | Tectonic setting: | cratonic basin |
| Geology comments: Chalk | |||
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,mesofossils |
| Articulated whole bodies: | some |
| Associated major elements: | some |
| Disassociated major elements: | some |
| Disassociated minor elements: | many |
| Temporal resolution: | time-averaged |
Collection methods and comments
| Collection methods: | bulk,surface (in situ),mechanical,sieve,field collection,survey of museum collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Database number: | 59675 | ||
| Authorizer: | L. Villier | Enterer: | L. Villier | Research group: | marine invertebrate |
| Created: | 2006-04-07 00:12:07 | Last modified: | 2006-04-07 03:12:07 |
| Access level: | the public | Released: | 2006-04-07 00:12:06 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 17061. | G. Breton. 1992. Les Goniasteridae (Asteroidea, Echinodermata) jurassiques et crétacés de France. Taphonomie, systématique, biostratigraphie, paléobiogéographie, évolution. Bulletin trimestriel de la Société géologique de Normandie et des Amis du Muséum du Havre, numéro hors série 78:1-590 [L. Villier/L. Villier] |