22409 - Well Preserved Pyritized 0.87 Inch Unidentified Lower Cretaceous Ammonites Primitive tools Impressive and rare authentic example

Impressive and rare authentic example of unidentified theropod dinosaur vertebra bone

Salgado 1999

Subfamily: Mosasaurinae Williston

K/T Boundary Latest Cretaceous Gubbio Umbria Italy Dinosaur Extinction Stratigraphical Level

dense stones west of the village of Habaswein and south of Sericho

22409 - Well Preserved Pyritized 0.87 Inch Unidentified Lower Cretaceous Ammonites Primitive tools Impressive and rare authentic exampleUnidentified 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.