Mediterranean Italy
Project:
Geological Time: Neogene Pliocene
Argille Azzurre Formation
the specimen is found and photographed by Dr.
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.
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