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:
Fuchs, W., Stradner, H., 1967: Die Foraminiferenfauna und Nannoflora eines Bohrkernes aus dem höheren Mittel-Alb der Tiefbohrung DELFT 2 (NAM), Niederlande Jahrbuch der Geologischen Bundesanstalt, Band 110. page 245 to 341 Plate 17, Fig. 3
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