Pay in 4 interest-free payments of $28.88 Learn more
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
it has some tiny glued or filled fractures
Dixon 1850 (ray-finned fish)
the pyroxene zonations and the inverse formation of pigeonite to the augite-rim could be an indication of the extraterrestrial origin of this sample
The stone has been soaked in a dye solution which allows the natural agate to absorb the colorations
Uzbekistan
21645 - Great Collection of 5 Pterosaur (Coloborhynchus) Teeth Cretaceous KemKem Beds Minerals - Museum Grade it has some tiny gluedPrecious collection of five 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.