found in rounded chalk pieces on the Northeastern beach of the island Düne
Helgoland
Greater North Sea Germany
Geological Time: Cretaceous Upper Cretaceous
the raw material is collected and the images are made by Dieter Ketelsen as part of the work with Peter Schumacher,
The identification is based upon:
Bartenstein, H., Bettenstaedt, F., Bolli, H.M., 1957: Die Foraminiferen der Unterkreide von Trinidad, B.W.I. Teil 1, Cuche- und Toco-Formation Eclogae Geologicae Helvetiae 50, Heft 1 Plate II, Fig. 37a,b