Greater North Sea UK
Geological Time: Quaternary Holocene recent
the image was made with the SEM VEGA3 TESCAN at Senckenberg am Meer, Wilhelmshaven by
Michael Hesemann, the raw material was 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.