3.4" Jurassic Fossil Ammonite (Oistoceras) - United Kingdom

This is a 3.4" wide ammonite (Oistoceras cf. figulinum) collected from North Yorkshire in the United Kingdom. The ammonite has been prepared half-free from the rock it was recovered from. The exposed face shows remarkable preservation, showing the individual ridges and nodules of the ammonite's 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.

What an ammonite would have looked like while alive.
What an ammonite would have looked like while alive.
Oistoceras cf. figulinum
North Yorkshire Coast, United Kingdom
Whitby Formation
Ammonite: 3.4"
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