found in rocks from the gravel-pit at Kücknitz,
Luebeck
North European Plain Germany
Geological Time: Paleogene Eocene
Heiligenhafener Kieselgestein
the image is made by Michael Hesemann,
the raw material is provided by
View of a specimen of Cibicidoides acutimargo (Ten Dam, 1944)
Cibicidoides proprius acutimargo
The identification is based upon:
Kaasschieter, Johannes Paulus Heimen, 1961: Foraminifera of the Eocene of Belgium Bruxelles : Inst. Royal des Sciences Naturelles de Belgique 271 pp. Plate XIII, Fig. 10