Charriez, chailles siliceuses (Jurassic of France)

Also known as Chariez

Where: France (47.6° N, 6.1° E: paleocoordinates 38.6° N, 15.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Terrain à Chailles Formation, Early/Lower Oxfordian (161.2 - 155.7 Ma)

• Decapod-bearing siliceous nodules are Lower Oxfordian, according to Charbonnier et al. (2012), containing ammonites indicating the Early Oxfordian Cordatum biozone (Enay 1966; Cariou et al. 1997).

• group of beds-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified, nodular, cherty/siliceous limestone

• Evidence from depositional environment, comparisons with others Jurassic crustaceans and modern analogues indicate that the crustacean fauna from the Terrain à Chailles Formation probably inhabited a moderately deep water setting most probably about 100-150 m (lower circalittoral zone)

Size class: macrofossils

Primary reference: A. Étallon. 1859. Description des crustacés fossiles de la Haute-Saône et du Haut-Jura. Bulletin de la Société Géologique de France 16:169-205 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 226087: authorized by Matthew Clapham, entered by Matthew Clapham on 16.06.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Malacostraca
 Decapoda - Erymidae
"Bolina ventrosa" = Eryma ventrosum
"Bolina ventrosa" = Eryma ventrosum Von Meyer 1835 decapod
 Decapoda - Glypheidae
Glyphea regleyana Desmarest 1822 decapod
Glyphea muensteri Voltz 1835 decapod