Ammonite Single Polished

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Ammonites are extinct marine mollusks that belong to the class Cephalopoda and the subclass Ammonoidea. They were widespread and diverse creatures that lived in the oceans from the Devonian period, around 400 million years ago, until the end of the Cretaceous period, about 66 million years ago when they went extinct along with the dinosaurs. Ammonites were among the most abundant and successful marine organisms of their time. Show more