07775 - Top Rare 1.87 Inch Rare Tylosaurus sp (Mosasaur) Tooth on Matrix Late Cretaceous Onchopristis teeth collections This specimen has a cluster

This specimen has a cluster of many lustrous and well defined crystals

89 in) Perfect tooth

The remains of this species of coelacanth in the North Africa Cretaceous are very rare

Picture: Geological map and statigraphic section of  KemKem Cretaceous outcrops "Taxonomic Composition and Trophic Structure of the Continental Bony Fish Assemblage from the Early Late Cretaceous of Southeastern Morocco" Cavin L  et al

Rooted extremely huge incisor specimen

07775 - Top Rare 1.87 Inch Rare Tylosaurus sp (Mosasaur) Tooth on Matrix Late Cretaceous Onchopristis teeth collections This specimen has a clusterExtremely rare mosasaur species. The tooth is preserved in its natural matrix. 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 quarries have been exploited since the beginning of the past century. Many sellers that sell this fossils do not make a good precise taxonomic identification work. In these sites there are numerous different