05589 - Great Collection of 2 Pterosaur (Coloborhynchus) Teeth Cretaceous KemKem Beds Spinosaurus Claws Crotalocephalina sp: Fossilworks (Paleobiology Database)

Crotalocephalina sp: Fossilworks (Paleobiology Database)

Micraster cortestudinarium

crystallizing in the monoclinic system

Gastropolus

05589 - Great Collection of 2 Pterosaur (Coloborhynchus) Teeth Cretaceous KemKem Beds Spinosaurus Claws Crotalocephalina sp: Fossilworks (Paleobiology Database)Precious collection of two 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.