North European Plain Germany
Project: Glacial erratics
Geological Time: Neogene Miocene Tortonian
Flensburger Gestein
The picked specimen is from the Slg. Tüxen, was photographed by Michael Hesemann and provided by
The identification is based upon:
, : d'Orbigny, A. (1826). Tableau méthodique de la classe des céphalopodes. Annales des Sciences Naturelles (1) 7: 96–169. Plate , Fig.