Deschayesites Ammonite in Massive Matrix

Deshayesites deshaysii

Ammonoidea, Deshayesitidae

Geological Time: Middle Cretaceous, Aptian Stage

Size (25.4 mm = 1 inch): 45 mm across on a 120 mm by 110 mm BY 40 mm thick matrix

Fossil Site: Volga River, Russia

Fossil Code: RA381

Price: $110.00


DeshayesitesDescription: This is a fine Deschaysites ammonite from the Cretaceous deposits of Russia. Much of the original shell is present. Where it is missing, the intricate suturing pattern is evident. The sutures provided strength to the shell with minimal weight, and important factor for a creature that had to be able to adjust its buoyancy to move easily through the water column. Fragments of an additional specimen are also evident.

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