Where: France (49.1° N, 0.2° W: paleocoordinates 39.3° N, 10.1° E)

• coordinate based on nearby landmark

When: Couche à Planulites koenigi Formation, Early/Lower Callovian (164.7 - 161.2 Ma)

• Koenigi zone

Environment/lithology: offshore; poorly lithified marl

Collection methods: surface (float), surface (in situ),

Primary reference: J. Mercier. 1935. Les stelléridés mésozoïques du bassin de Paris. Mémoires de la Société Linnéenne de Normandie 1(2):6-64 [L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 72288: authorized by Loic Villier, entered by Loic Villier on 30.05.2007

Creative Commons license: CC BY (attribution)