1.9" Pyritize Encrusted Ammonite (Pleuroceras) Fossil - Germany

This is a beautiful pyritized ammonite (Pleuroceras spinatum) fossil collected from the Holzbachacker clay pit near Buttenheim, Bavaria/Germany. It's Jurassic, Pliensbachian stage or approximately 190 million years old. The surrounding rock has been removed to expose this ammonite, however the pyrite that encrusts the exterior of the ammonite has been left in place. You can feel the heft of the iron pyrite in the specimen when you hold it in your hand.

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.

Pleuroceras spinatum
Buttenheim, Bavaria/Germany
Holzbachacker Clay-Pit
1.9" wide
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