Real Fossil Mosasaur Jaws and Teeth in Matrix!

This is a Real Fossil Mosasaur Jaws a Teeth in Matrix. Mosasaurs went extinct at the end of the Cretaceous during the end Cretaceous mass extinction event. Mosasaur (pronunciation: "moh-suh-sawr") - it means "Lizard of the Meuse River" 'Mosa' stands for the Meuse river in Holland - the location where mosasaurs were first described.
'Saur' (Sauros) is greek for lizard. Discovery: Holland, 1764 The first described mosasaur fossils were found in a limestone quarry on the Meuse River in Holland in 1764.