North European Plain Germany
Project:
Geological Time: Paleogene Oligocene Chattian
Kasseler Meeressande
The specimen is photographed by Dieter Ketelsen and the material was provided by
The identification is based upon:
, : Lamarck [J.B.P.A. de]. (1804). Suite des mémoires sur les fossiles des environs de Paris. Annales du Muséum d'Histoire Naturelle. 5: 28-36; 91-98; 179-188; 237-245; 349-367; pl. 59-62 [plates published 1806 in vol. 8]. Plate , Fig.