Echinodermata, Unit B3, Saint-Simon, Charente-Maritime (Cretaceous of France)

Where: France (45.7° N, 0.1° W: paleocoordinates 34.5° N, 1.9° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Early/Lower Cenomanian (99.6 - 93.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, shelly/skeletal packstone

Size class: macrofossils

Collection methods: bulk, surface (in situ), mechanical,

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 59812: authorized by Loic Villier, entered by Loic Villier on 13.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Cidaridae
"Stereocidaris cenomanensis" = Temnocidaris (Stereocidaris)
"Stereocidaris cenomanensis" = Temnocidaris (Stereocidaris) pencil urchin
 Euechinoidea - Pseudodiadematidae
Polydiadema bonei sea urchin
Tetragramma variolare Brongniart 1822 sea urchin
 Holectypoida - Holectypidae
Coenholectypus excisus Desor 1847 sea urchin
 Holectypoida -
 Irregularia - Nucleolitidae
Oolopygus sp. sea urchin
 Cassiduloida -
 Cassiduloida - Cassidulidae
 Spatangoida - Hemiasteridae
Periaster elatus heart urchin
Hemiaster arnaudi heart urchin
 Holasteroida - Holasteridae
 Salenioida - Hyposaleniidae
 Calycina -
Cottaldia benettiae Koenig 1825 sea urchin
 Arbacioida - Arbaciidae
Codiopsis doma Desmarest 1825 sea urchin