05024 - Stunning Pyritized 1.59 Inch Phylloceras Lower Cretaceous Ammonites Shark Teeth Collection It is the metatarsal of

It is the metatarsal of the toe of a theropod dinosaur very probably related to the Dromaeosauridae family

The details of his cephalon are astonishing

This piece belongs with absolute certainty to a great raptor

The anatomical details of the insect are staggering

05024 - Stunning Pyritized 1.59 Inch Phylloceras Lower Cretaceous Ammonites Shark Teeth Collection It is the metatarsal ofSpecimen 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.