06112 - Beautiful Pyritized 0.90 Inch Phylloceras Lower Cretaceous Ammonites Concavotectum Some of them have glued

Some of them have glued and tiny filled fractures

The vertebral body is preserved

and rarely we can see a claw like the one we are displaying here

Its serrations are very well defined

They even have a groove like a claw but the other end does not have a joint where a toe phalanx bone would fit

06112 - Beautiful Pyritized 0.90 Inch Phylloceras Lower Cretaceous Ammonites Concavotectum Some of them have gluedSpecimen 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.