07789 - Top Rare Unidentified Mosasaur Premaxillary Nose Bone Cretaceous Mosasaur Jaws Its chemical formula is Cu4SO4(OH)6

Its chemical formula is Cu4SO4(OH)6

Walliserops

It can be seen how part of its thin outer layer (the enamel) has lost by erosion and has exposed the underlying layer of dentine

Anetoceras tangdingense

Remains have been discovered in Morocco

07789 - Top Rare Unidentified Mosasaur Premaxillary Nose Bone Cretaceous Mosasaur Jaws Its chemical formula is Cu4SO4(OH)6Precious premaxillary specimen. This specimen has been stabilized on its surface by Paraloid B 72 to ensure its stability and consistency. This process does not affect neither the color nor any of the characteristics. It simply makes the specimen better preserved in the long term. In the international market is very common to find Mosasaurus rests coming from the phosphate quarries of the Upper Cretaceous of the Ouled Abdoun Basin (Morocco). This