07192 Top Rare 6 Inch Spinosaurus Dinosaur Partial Caudal (Tail) Vertebra Bone Cretaceous KemKem Beds Mosasaur Skulls & Skeletons smooth cutting edges smooth cutting edges Next we list the different Mosasaur species which have been recognised in the phosphate rocks in North Africa: most of the last published studies refer to other nomenclature in the description of the units and formations of the Lower and Upper Cretaceous 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