North European Plain Germany
Geological Time: Paleogene Eocene
Heiligenhafener Kieselgestein
the raw material is provided by
The identification is based upon:
Papp, A., Schmidt, M.E., 1985: The Fossil Foraminifera of the Tertiary Basin of Vienna
Revision of the monograph by Alcide d'Orbigny (1846). in Abhandlungen der Geologischen Bundesanstalt, Band 37. Plate , Fig. 71