Echinodermata, Unit G2, Grand-Jean, Charente-Maritime (Cretaceous of France)

Where: France (45.9° N, 0.6° W: paleocoordinates 34.7° N, 1.4° E)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Late/Upper Cenomanian (99.6 - 93.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; poorly lithified, argillaceous 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 59799: authorized by Loic Villier, entered by Loic Villier on 12.04.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Echinoidea
 Cidaroida - Cidaridae
"Stereocidaris ligeriensis" = Temnocidaris (Stereocidaris)
"Stereocidaris ligeriensis" = Temnocidaris (Stereocidaris) pencil urchin
 Calycina -
Cottaldia benettiae Koenig 1825 sea urchin
 Euechinoidea - Pseudodiadematidae
Tetragramma variolare Brongniart 1822 sea urchin
 Cassiduloida - Cassidulidae
Catopygus carinatus Goldfuss 1826 sea urchin
 Holectypoida - Discoididae
Discoides infera Desor 1858 sea urchin
 Holasteroida - Holasteridae
 Spatangoida - Hemiasteridae
Hemiaster similis heart urchin
Hemiaster bufo Brongniart 1822 heart urchin
Asteroidea
 Valvatida - Pycinasteridae
Pycinaster cf. humilis Spencer 1913 sea star
 Valvatida - Stauranderasteridae
Hadranderaster sp. Spencer 1907 sea star
 Valvatida - Goniasteridae
Crateraster quinqueloba Goldfuss 1833 sea star
Calliderma moreaui Néraudeau and Breton 1993 sea star
Nymphaster cf. magistrorum Breton 1988 sea star
Comptonia cf. soullansensis Breton 1992 sea star
Caletaster romani Breton 1988 sea star
 Valvatida - Sphaerasteridae
Valettaster argus Spencer 1907 sea star