found in rounded chalk pieces on the Northeastern beach of the island Düne
Helgoland
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,
View of a specimen of Frondicularia turgida Reuss, 1846
The identification is based upon:
Tollmann. A., 1960: Die Foraminiferenfauna des Oberconiac aus der Gosau des Ausseer Weissenbachtales in Steiermark. Jb . Geol. B. A. Bd. 103 S. 133-203 Wien 71 pp. Plate XIV, Fig. 1