Asteroidea, Coniacian-Santonian boundary, Etretat, Seine-Maritime: Late Coniacian - Early Santonian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Globothalamea - Rotaliida - Gavelinellidae
Gavelinella thalmanni
Gavelinella moniliformis
Reusselidae
Reussella cf. cushmani
unclassified
Bolivinitella eleyi
Asteroidea - Valvatida - Sphaerasteridae
Valettaster sp. Lambert 1914
3 elements
Asteroidea - Valvatida - Chaetasteridae
Arthraster dixoni Forbes 1848
1 element
Asteroidea - Valvatida - Stauranderasteridae
Aspidaster bulbiferus (Forbes 1848)
2 elements
Hadranderaster simplex (Geinitz 1871)
38 elements
Asteroidea - Valvatida - Goniasteridae
Metopaster parkinsoni (Forbes 1848)
2 elements
Metopaster uncatus (Forbes 1848)
1 element
Calcarea - Calcaronea - Minchinellidae
Porosphaera sp. Steinmann 1878
13 elements
see common names

Geography
Country:France County:Seine-Maritime
Coordinates: 49.7° North, 0.2° East (view map)
Paleocoordinates:39.7° North, 2.3° East
Basis of coordinate:based on nearby landmark
Geographic resolution:hand sample
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:group of beds
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,coprolite
Size of fossils:macrofossils
Preservation of anatomical detail:good
Abundance in sediment:rare
Disassociated minor elements:all
Temporal resolution:snapshot
Collection methods and comments
Collection methods:surface (float),mechanical,field collection
Rock censused:70 cm3 (volume)
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:59612
Authorizer:L. Villier Enterer:L. Villier
Research group:marine invertebrate
Created:2006-04-05 01:35:37 Last modified:2006-04-05 04:35:37
Access level:the public Released:2006-04-05 01:35:36
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]