05027 - Beautiful Pyritized 1.20 Inch Unidentified Lower Cretaceous Ammonites Mosasaurus hoffmanni Name: Northwest Africa 859

Name: Northwest Africa 859

which are relatively abundant in the sites in the south of Morocco

Fantastic and very rare tooth of this North African sauropod species

Dinosaur-Reptile Vertebra Neural Spine Bone

There is yet a lot to be known about these fascinating theropods

05027 - Beautiful Pyritized 1.20 Inch Unidentified Lower Cretaceous Ammonites Mosasaurus hoffmanni Name: Northwest Africa 859Specimen of extreme quality. Unidentified species. 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.