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:
, : Philippi, R. A. (1844). Enumeratio molluscorum Siciliae cum viventium tum in tellure tertiaria fossilium, quae in itinere suo observavit. Vol. 2.. Halle [Halis Saxorum]: Eduard Anton. iv + 303 pp., pls 13-28. Plate , Fig.