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:
, : Reuss, A. E. (1845). Die Versteinerungen der böhmischen Kreideformation. E. Schweizerbart'sche Verlagsbuchhandlung und Druckerei, Stuttgart. 1: 1-58. Plate , Fig.