20729 - Great Collection of 2 Spinosaurus Dinosaur Teeth Cretaceous KemKem Beds Tyrannosaurus rex • Silurian to Devonian of

• Silurian to Devonian of Argentina

Parachuangia

the crests

Aragonite is a carbonate mineral

Pterosaurs and Plesiosaurs

20729 - Great Collection of 2 Spinosaurus Dinosaur Teeth Cretaceous KemKem Beds Tyrannosaurus rex • Silurian to Devonian ofGreat collection of 2 specimens. All of them have glued and tiny filled fractures. The teeth with strong and vivid fossilization colors such as red, orange and black come from small paleochannels composed by thin layers, in the intermediate and upper stratigraphic levels (Red Sandstone Beds), from the Aoufous and Ifezouane Formations (Kem Kem Basin, South of Morocco). The lithology of this body of sediment is characterized by the dominance of