Where: Switzerland (46.7° N, 6.3° E: paleocoordinates 36.4° N, 16.0° E)

When: Aptian (125.5 - 112.0 Ma)

• The author divides the Aptian into upper and lower intervals. This is an upper Aptian collection.

Environment/lithology: gray shale

Primary reference: A. Jaccard. 1869. Jura Vaudois et Neuchatelois. Matériaux pour la carte géologique de la Suisse 6:1-340 [M. Patzkowsky/K. Layou/L. Villier] more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2233: authorized by Mark Patzkowsky, entered by Zack Krug on 28.06.1999, edited by Karen Layou