Echinodermata, Upper Kimmeridgian, Cerin, Southern French Jura , Ain (Jurassic of France)

Where: France (45.8° N, 5.6° E: paleocoordinates 36.7° N, 14.8° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Late/Upper Kimmeridgian (155.7 - 150.8 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified limestone

• lithographic limestones

Size class: macrofossils

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

• Other collections of the PBDB list other taxa. Most groups are monographed in Geobios 1994 special volume.

Primary reference: J.-P. Bourseau, H. Hess, P. Bernier, G. Barale, E. Buffetaut, C. Gaillard, J.C. Gall and S. Wenz. 1991. Découverte d'ophiures dans les calcaires lithographiques de Cerin (Kimméridgien supérieur, Ain, France). Systématique et implications taphonomiques. Comptes Rendus de l'Académie des Sciences, Paris 312:793-799 [L. Villier/J. Millet/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 58209: authorized by Loic Villier, entered by Julien Millet on 28.01.2006, edited by Loic Villier

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ophiurida - Aplocomidae
cf. Ophiopetra lithographica, "? Ophiopsammus kelheimensis" = Geocoma carinata
cf. Ophiopetra lithographica Enay and Hess 1962 brittle star
"? Ophiopsammus kelheimensis" = Geocoma carinata Goldfuss 1833 brittle star
2 specimens are juvenile animals
 Paxillosida - Astropectinidae
Pentasteria lithographica de Loriol 1895 sea star
classically mentioned as Plutonaster lithographicus
 Valvatida - Goniasteridae
Comptoniaster meyeri n. sp. Breton et al. 1994 sea star
beds 213 and 295
? Ceramaster chantrei de Loriol 1895 sea star
 Comatulida -