06108 - Beautiful Pyritized 0.97 Inch Phylloceras Lower Cretaceous Ammonites Dinosaurs Pappocetus is also an ancestor

Pappocetus is also an ancestor of  Basilosaurus

Applied Petrology Laboratory (APPLIED PETROLOGY LABORATORY

It is the gravel - sandy sediment still strongly adhered and cemented to its surface

From the proximal end to the tip of the distal end

06108 - Beautiful Pyritized 0.97 Inch Phylloceras Lower Cretaceous Ammonites Dinosaurs Pappocetus is also an ancestorSpecimen of extreme quality. 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.