North European Plain Germany
Project:
Geological Time: Paleogene Oligocene Chattian
Kasseler Meeressande
Raw material was provided by Dirk Gille. It was processed, the specimen picked and photographed by
The identification is based upon:
, : Cushman, J. A.; Ozawa, Y. (1930). A Monograph of the Foraminiferal Family Polymorphinidae, Recent; Fossil. Proceedings of the United States National Museum. 77: 1-185. Plate , Fig.