05183 - Beautiful 1.72 Inch Onchopristis numidus Cretaceous Sawfish Rostral Tooth In Matrix Brochantite Circulocrania

Circulocrania

92 Inch / 21

Unbroken specimen

and clusters of refractory materials that often form during the discharge phase of lightning strikes propagating into silica-rich quartzose sand

which makes it very special

05183 - Beautiful 1.72 Inch Onchopristis numidus Cretaceous Sawfish Rostral Tooth In Matrix Brochantite CirculocraniaOnchopristis tooth in its natural matrix. 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 modern sawfish, Onchopristis's eyes were on