06111 - Beautiful Pyritized 0.80 Inch Phylloceras Lower Cretaceous Ammonites Fish Fossils Under Study Impressive natural association of two

Impressive natural association of two huge vertebrae of this species of Elasmosaurus in its phosphatic matrix

Pieces: several

Altaesajania

Rebbachisaurus is a genus of sauropod dinosaur of the superfamily Diplodocoidea

Maastrichtian of Belgium (Lingham-Soliar

06111 - Beautiful Pyritized 0.80 Inch Phylloceras Lower Cretaceous Ammonites Fish Fossils Under Study Impressive natural association of twoSpecimen 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.