Leilão Bidspirit | A fossil of a jaw

A fossil of a jaw fragment containing teeth from Mosasaurus, a giant, predatory prehistoric marine reptile that lived during the Upper Cretaceous period. - Geographical origin: Most commercial fossils of this type, which show teeth attached to the matrix (bedrock/jawbone), are discovered in the phosphate mines of the Khouribga or Oued Zem regions of Morocco. Item structure: The conical, sharp teeth are made of dark fossil enamel, and are set in light calcareous sedimentary rock that preserves the original jaw shape. Length 12 cm, height 8 cm.