07413 - Top Quality 2.66 Inch Onchopristis numidus Cretaceous Sawfish Rostral Tooth Calcite Micraster glyphus

Micraster glyphus

Year found: 2001

The anatomical details of the insect are staggering

Dortangs et al

Gold and arsenic occur as a coupled substitution in the pyrite structure

07413 - Top Quality 2.66 Inch Onchopristis numidus Cretaceous Sawfish Rostral Tooth Calcite Micraster glyphusImpressive well preserved Onchopristis tooth. Not restored or glued. 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,