Echinodermata, Unit C2 top, Ile Madame, Charente-Maritime (Cretaceous of France)

Where: France (46.0° N, 1.1° W: paleocoordinates 34.8° N, 1.0° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Middle Cenomanian (99.6 - 93.5 Ma)

• Neraudeau & Moreau (1989) distinguish two samples for the Unit C2, lower and upper part

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified 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 59805: 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
 Salenioida - Hyposaleniidae
 Calycina - Phymosomatidae
 Euechinoidea - Pseudodiadematidae
Polydiadema bonei sea urchin
Tetragramma variolare Brongniart 1822 sea urchin
 Irregularia - Nucleolitidae
 Irregularia - Archiaciidae
Archiacia sandalina Agassiz 1847 sea urchin
 Irregularia - Pygasteridae
 Spatangoida - Hemiasteridae
Periaster elatus heart urchin
Hemiaster grossouvrei heart urchin
 Spatangoida - Toxasteridae
Heteraster sp. heart urchin
 Holectypoida -
 Holectypoida - Holectypidae
Coenholectypus excisus Desor 1847 sea urchin
 Arbacioida - Arbaciidae
Codiopsis doma Desmarest 1825 sea urchin
Goniopygus major sea urchin
Goniopygus menardi Desmarest in Defrance 1925 sea urchin