06112 - Beautiful Pyritized 0.90 Inch Phylloceras Lower Cretaceous Ammonites Concavotectum and rarely we can see

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

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

Some of them have glued and tiny filled fractures

• Silurian of Canada ( Northwest Territories

06112 - Beautiful Pyritized 0.90 Inch Phylloceras Lower Cretaceous Ammonites Concavotectum and rarely we can seeSpecimen 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.