06108 - Beautiful Pyritized 0.97 Inch Phylloceras Lower Cretaceous Ammonites Dinosaurs confer it a very high
Yard notes & kiln story
Description
confer it a very high value
Sertich and O'Connor 2014 and Zaher et al
Basilosaurus (The Giant Snake) - Jurassic Dreams Blog
Pappocetus is also an ancestor of Basilosaurus
pterygoid with short palatine process at about 45° relative to the ectopterygoid process
06108 - Beautiful Pyritized 0.97 Inch Phylloceras Lower Cretaceous Ammonites Dinosaurs confer it a very highSpecimen 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.