Echinodermata, Unit B2-B3, La Guérie nord, Charente-Maritime: Early/Lower Cenomanian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Asteroidea - Valvatida - Goniasteridae
Caletaster romani Breton 1988
Néraudeau and Breton 1993
Echinoidea - Nucleolitidae
Pygaulus subaequalis
8 specimens
Echinoidea - Cassiduloida - Cassidulidae
Nucleopygus similis (d'Orbigny 1856)
1 specimen
Catopygus columbarius
56 specimens
Echinoidea - Holectypoida
Echinogalerus faba
43 specimens
Echinoidea - Holectypoida - Holectypidae
Coenholectypus excisus (Desor 1847)
6 specimens
Echinoidea - Spatangoida - Hemiasteridae
Periaster elatus
22 specimens
Echinoidea
Cottaldia benettiae (Koenig 1825)
6 specimens
Echinoidea - Salenioida - Hyposaleniidae
Hyposalenia acanthoides
26 specimens
Echinoidea - Arbacioida - Arbaciidae
Codiopsis doma Desmarest 1825
2 specimens
Goniopygus menardi (Desmarest in Defrance 1925)
2 specimens
see common names

Geography
Country:France County:Charente-Maritime
Coordinates: 46.0° North, 0.9° West (view map)
Paleocoordinates:34.7° North, 1.2° East
Basis of coordinate:based on nearby landmark
Geographic resolution:hand sample
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Cenomanian 10 m.y. bin:Cretaceous 5
Key time interval:Early/Lower Cenomanian
Age range of interval:100.50000 - 93.90000 m.y. ago
Stratigraphy
Local bed:Unit B2-B3
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:shelly/skeletal poorly lithified grainstone
Includes fossils?Y
Environment:deep subtidal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:good
Abundance in sediment:common
Articulated whole bodies:many
Associated major elements:many
Disassociated minor elements:some
Temporal resolution:time-averaged
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,surface (in situ),mechanical,field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:59814
Authorizer:L. Villier Enterer:L. Villier
Modifier:L. Villier Research group:marine invertebrate
Created:2006-04-13 08:24:40 Last modified:2006-04-14 04:40:46
Access level:the public Released:2006-04-13 08:24:40
Creative Commons license:CC BY
Reference information

Primary reference:

17135. D. Néraudeau and P. Moreau. 1996. Paléoécologie et paléobiogéographie des faunes d'échinides du Cénomanien nord-aquitain (Charente-Maritime, France). Géobios 22(3):293-324 [L. Villier/L. Villier/J. Alroy]

Secondary references:

17136 D. Néraudeau and G. Breton. 1993. Astérides du Cénomanien de Charente-Maritime (SW France). Géobios 26(1):105-120 [L. Villier/L. Villier/J. Alroy]