AP4r-Jura (Cretaceous of Switzerland)
Where: Switzerland (46.8° N, 6.5° E: paleocoordinates 36.5° N, 16.2° E)
When: Aptian (125.5 - 112.0 Ma)
• The author lists the Urgonien as part of the Neocomian; however, Harland 1989 puts the Urgonien within the lowermost Aptian
Environment/lithology: gray, yellow carbonate
• carbonate can sometimes be oolitic
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 2229: authorized by Mark Patzkowsky, entered by Zack Krug on 28.06.1999, edited by Karen Layou