Echinodermata, Upper Bathonian, Alençon, Orne, France (Jurassic of France)

Where: Orne, France (48.5° N, 0.1° E: paleocoordinates 38.2° N, 10.6° E)

• coordinate based on nearby landmark

When: Late/Upper Bathonian (167.7 - 164.7 Ma)

• formation-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lithified, blue, silty, sandy limestone

Size class: macrofossils

Collection methods: bulk,

• Not listed :

•some ossicles of crinoid

•a bivalve (Pecten Rhyphoeus?)

Primary reference: J. Cottreau. 1929. Echinodermes du Bradfordien des environs d'Alençon (Orne). Compte rendu sommaire et bulletin de la Société Géologique de France 4(29):463-469 [L. Villier/J. Millet]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 58524: authorized by Loic Villier, entered by Julien Millet on 12.02.2006, edited by Loic Villier

Creative Commons license: CC BY (attribution)

Taxonomic list

Ophiuroidea
 Ophiurida - Ophiodermatidae
Ophiopeza ferrugineum Boehm 1889 brittle star
(Ophiocten?) 120mm diameter
 Ophiurida - Aplocomidae
"cf. Ophiopeza portei" = Sinosura portei
"cf. Ophiopeza portei" = Sinosura portei Guillaume 1926 brittle star
an arm
Asteroidea
 Valvatida - Goniasteridae
Cottreauaster lamarei Cottreau 1929 sea star
42 mm diameter
Crinoidea
  -
Pentacrinus nicoleti Sea lily
an arm