6.25" Polished, Ammonite (Euhoploceras) Fossil - Dorset, England

This is a 6.25" wide, polished ammonite (Euhoploceras modestum) fossil from Clatcombe, England. It is Lower Jurassic in age, or approximately 180 million years old. The base of the rock has been cut flat so that it stands up nicely without the need for a display stand.

Ammonites were predatory cephalopod mollusks that resembled squids with spiral shells. They are more closely related to living octopuses, though their shells resemble that of nautilus species. True ammonites appeared in the fossil record about 240 million years ago during the Triassic Period. The last lineages disappeared 65 million years ago at the end of the Cretaceous.

What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.
Euhoploceras modestum
Clatcombe, Dorset, England
Inferior Oolite, Concavum Zone
Ammonite 6.25" tall
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