3.2" Jurassic Ammonite (Stephanoceras) Fossil - Switzerland

This is a very beautiful, 3.2" wide Stephanoceras sp. ammonite from Anwil, Switzerland. There is a second, naturally associated, unidentified ammonite that's still attached by a small amount of rock. These fossils are Middle Jurassic in age, Bajocian Stage or approximately 160 million years old. It 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.
Stephanoceras sp.
Anwil, Switzerland
3.2 x 2.8"
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