22400 - Well Preserved Pyritized 1.47 Inch Pleuroceras Lower Jurassic Ammonites KemKem_Crocodile_Species The contrast between the root

The contrast between the root and the enameled crown is sharp and perfect

it is a tremendously predatory animal

• Llandeilo of the United Kingdom

It has some tiny filled fractures

which represents the 55% of its mineralogical composition

22400 - Well Preserved Pyritized 1.47 Inch Pleuroceras Lower Jurassic Ammonites KemKem_Crocodile_Species The contrast between the rootUnidentified species. His suture lines are wonderfully well detailed. It is naturally pyritized. It has undergone a taphonomic process of permineralization in Iron Sulfide (Pyrite). Permineralization is a process of fossilization in which mineral deposits form internal casts of organisms.