in clay pits in Hammerthal
North European Plain Germany
Geological Time: Paleogene Oligocene Rupelian
the specimen is photographed by Michael Hesemann and contributed by
The identification is based upon:
, : Cushman, J. A. (1946). The genus Sigmoilina and its species. Contributions from the Cushman laboratory for foraminiferal research. 22(2): 29-45. Plate , Fig.