Bargain 6.9 Inch Cut Ammonite (Half)

This is a large Cleoniceras ammonite at just under 7 inches wide. It has extremely deep crystal like cavities, almost like a fossil geode. It's approximely 110 million years old from the Mahajanga Province in Madagascar.

This specimen is being offered at a significantly DISCOUNTED price because it was damaged during the shipping from the supplier to me. It was broken in half and has been glued back together, and it also missing a small chip out the bottom corner. This doesn't detract from the beauty of this piece of natural history.

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
6.9" wide
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