2.4" Polished Ammonite (Hildoceras) Fossil - England

This is a cut and polished ammonite of the genus Hildoceras, from the Lower Jurassic (180 million years old) Falciferum Zone of Somerset, England. The front side has been polished to show off the beautiful internal structure, while the reverse has been left natural and rough, revealing portions of the shell. Comes with an acrylic display stand.

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. True ammonites appeared in the fossil record about 240 million years ago. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

Hildoceras sp.
Somerset, England
The Junction Bed, Falciferum Zone
2.4" wide
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