Crossing the boundary: an elasmobranch fauna from Stevns Klint, Denmark - Adolfssen - 2014 - Palaeontology - Wiley Online Library
Cephalopod associations and palaeoecology of the Cretaceous (Barremian–Cenomanian) succession of the Alpstein, northeastern Switzerland - ScienceDirect
PDF) Jurassic planktic foraminifera from the Polish Basin
Über Facies und Tektonik der Kreide im Westen der Pyrenäen
Amaltheus hi-res stock photography and images - Alamy