06108 - Beautiful Pyritized 0.97 Inch Phylloceras Lower Cretaceous Ammonites Dinosaurs Pappocetus is also an ancestor
Baker’s notes & crumb story
Description
Pappocetus is also an ancestor of Basilosaurus
Applied Petrology Laboratory (APPLIED PETROLOGY LABORATORY
Acanthopyge (Perunaspis)
pterygoid with short palatine process at about 45° relative to the ectopterygoid process
Basilosaurus (The Giant Snake) - Jurassic Dreams Blog
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.