Large 6 Inch Ammonite With Crystal Cavities

Here is a large (6 inch) cut and polished Cleoniceras from the Cretaceous of Madagascar. This is a large example of this species which has been cut in half and highly polished for display. It exhibits deep calcite crystal lined chambers adding to the appeal. The septa or divisions between each chamber preserved as white Calcite. The reverse side shows the clear suture pattern and the mother of pearl shell of this ammonite.

This large madagascar ammonite makes a superb display piece with tremendous historical appeal. Comes with plastic display stands great for showing it off.

Ammonites were predatory mollusks that resembled a squid with a shell. These cephalopods had eyes, tentacles, and spiral shells. They are more closely related to a living octopus, though the shells resemble that of a nautilus. Ammonites appeared in the fossil record about 240 million years ago and they barely survived several major extinction events. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

Artists reconstruction of an ammonite.  By Nobu Tamura
Artists reconstruction of an ammonite. By Nobu Tamura
Ambatolafia, Mahajanga Province, Madagascar
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