22425 - Collection of 8 Palaeocarcharodon orientalis (Pygmy white Shark) Teeth Mosasaur Impressive specimen of the genus

Impressive specimen of the genus Cyphaspis

This type of preparation requires meticulous work of tens of hours

Erythrite and annabergite (Ni3(AsO4)2·8H2O) (nickel arsenate) form a complete series with the general formula (Co

in dentary

Until 2011

22425 - Collection of 8 Palaeocarcharodon orientalis (Pygmy white Shark) Teeth Mosasaur Impressive specimen of the genusGreat collection of 8 specimens. The genus Palaeocarcharodon, also known as the pygmy white shark, belongs to the Cretoxyrhinidae family. It inhabited the seas of the Paleocene between 60 and 55 million years ago. The presence of this species is rare in this Moroccan sites, and therefore it is more valued. The teeth of Palaeocarcharodon are triangular, labio lingually compressed, with quite irregular serrations and serrate lateral cusplets. Some