Echinodermata, Unit B1, Ile d'Aix, Charente-Maritime (Cretaceous of France)

Where: France (46.0° N, 1.2° W)

• Paleocoordinates: 42.0° N, 14.6° E (Wright 2013)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Early/Lower Cenomanian (100.5 - 93.9 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, glauconitic, argillaceous sandstone

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 59809: authorized by Loic Villier, entered by Loic Villier on 13.04.2006, edited by Matthew Carrano

Creative Commons license: CC0 (CC0)

Taxonomic list

Reptilia
 Squamata - Simoliophiidae
Simoliophis rochebrunei Sauvage 1880 snake
Echinoidea
 Cidaroida - Cidaridae
"Stereocidaris vesiculosa" = Temnocidaris (Stereocidaris)
"Stereocidaris vesiculosa" = Temnocidaris (Stereocidaris) pencil urchin
 Arbacioida - Arbaciidae
Goniopygus menardi Desmarest in Defrance 1925 sea urchin
 Calycina - Phymosomatidae
 Salenioida - Hyposaleniidae
 Euechinoidea - Pseudodiadematidae
Tetragramma variolare Brongniart 1822 sea urchin
 Spatangoida - Spatangidae
"Micraster distinctus" = Epiaster distinctus
"Micraster distinctus" = Epiaster distinctus Agassiz and Desor 1847 heart urchin
 Spatangoida - Hemiasteridae
Periaster undulatus heart urchin
 Holasteroida - Holasteridae
 Cassiduloida - Cassidulidae
 Irregularia - Clypeidae
Pygurus lampas de la Beche 1833 sea urchin
 Irregularia - Archiaciidae
 Holectypoida -
 Holectypoida - Anorthopygidae
Anorthopygus orbicularis de Grateloup 1836 sea urchin
 Holectypoida - Holectypidae
Coenholectypus excisus Desor 1847 sea urchin
 Euechinoidea - Pedinopsidae