05614 - Great Collection of 5 Onchopristis numidus Cretaceous Sawfish Rostral Teeth Cretaceous Dinosaur Precious tooth of Palaeocarcharodon orientalis

Precious tooth of Palaeocarcharodon orientalis (Pygmy white Shark) from the phosphate deposits of the Ouled Abdoun Basin (Morocco)

Onchopristis is a genus of extinct giant sawfish that lived in the Lower Cretaceous to Upper Cretaceous in North Africa and New Zealand

The mineralization is produced in agate

The scanning electron microscopy reveals that the chemical composition of the sample is mostly homogenous native iron (Fig

05614 - Great Collection of 5 Onchopristis numidus Cretaceous Sawfish Rostral Teeth Cretaceous Dinosaur Precious tooth of Palaeocarcharodon orientalisGreat collection of 5 specimens. Some of them have glued and tiny filled fractures. Onchopristis is a genus of extinct giant sawfish that lived in the Lower Cretaceous to Upper Cretaceous in North Africa and New Zealand. It had an elongated snout lined laterally with barbed teeth. It is a large sawfish, known from remains throughout North America, North Africa and New Zealand. It was very large, up to 8 m (26. 2 ft) long when fully grown. As with