05580 - Great Collection of 4 Pterosaur (Coloborhynchus) Teeth Cretaceous KemKem Beds Olcostephanus the other being bright green

the other being bright green malachite

Excellent tooth of one of the giant crocodiles that reigned the fluvial systems of the North African Cretaceous

the claws  has seen identified as pterosaurs may actually be pharyngeal teeth of a fish

In: Geologie en Mijnbouw

Either way it is a very interesting specimen

05580 - Great Collection of 4 Pterosaur (Coloborhynchus) Teeth Cretaceous KemKem Beds Olcostephanus the other being bright greenPrecious collection of four nice teeth of this species of pterosaur. The pterosaurs dentition rests in the Upper Cretaceous in North Africa are relatively common among the fauna which got preserved from those ecosystems around 100 million years ago. However, only two different pterosaur taxons have been described. Mader & Kellner (1999) (Full reference: B. J. Mader and A. W. A. Kellner. 1999. A new anhanguerid pterosaur from the Cretaceous of Morocco.