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., 1966: Die Foraminiferen der Unterkreide von Trinidad, W. I.
Zweiter Teil: Maridale-Formation (Typlokalitaet) Eclogae Geologicae Helvetiae 59, Heft 1 Plate III, Fig. 250-253
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