07017 - Top Huge 5.55 Inch Mosasaur (Prognathodon anceps) Tooth in Jaw Bone Cretaceous Taza NWA 859 Silica rich fluids flowed through

Silica rich fluids flowed through these air pockets and began to cool and harden

as well as marine reptiles

surviving the K-Pg extinction event

Acta Palaeontologica Polonica 48 (3)

Many pieces were collected on the surface or buried a few cm deep

07017 - Top Huge 5.55 Inch Mosasaur (Prognathodon anceps) Tooth in Jaw Bone Cretaceous Taza NWA 859 Silica rich fluids flowed throughThis enormous Prognathodon tooth is preserved in exceptional way, inside his own jaw bone. This partial jaw was broken in small sector during the initial collecting efforts but all parts were put back together and there is no restoration and no fabrication. The size corresponds without doubt to an adult individual. The tip of the tooth is perfectly preserved and tremendously pointed. The quality of the enamel is very high due to the beautiful range of