Pyritized Ammonite Diaphonized The first Spinosaurus partial skeleton

The first Spinosaurus partial skeleton was unearthed in 1912

and anything that provides any sort of comfort or sense of normal

Fossil Shrimp make a unique addition to any display

Blue Morpho butterflies capture the imagination and beyond

Pyritized Ammonite Diaphonized The first Spinosaurus partial skeletonJurassic Cretaceous Russia Discovered in Russia What is Pyritized Ammonite? Pyritized ammonites are fossilized ammonites in which the original organic material and shell have been replaced by pyrite, a mineral also known as iron sulfide (FeS). This type of fossilization preserves the detailed morphology of the ammonite, providing a valuable and often strikingly beautiful record of these ancient marine cephalopods. The pyritization process occurs under