Greater North Sea
Project: Modern Greater North Sea
Geological Time: Quaternary Holocene recent
The specimen is photographed by Dieter Ketelsen and the material was provided by
might be interpreted also as the closely related C. carinata
The identification is based upon:
, : Orbigny, A. D. d'. (1826). Tableau méthodique de la classe des Céphalopodes. Annales des Sciences Naturelles. vol. 7: 96-169, 245-314. Plate , Fig.