Mosasaur Teeth.
Mosasaur Teeth. Mosasaurs were air breathing marine reptiles, their size ranged from 1 metre (3′ feet) to 18 metres (59′ feet) in length.
Matrix size 4″ x 3″ inches, fossil tooth size 2″ x 1″ inches.
The Cretaceous Period – 150 million years ago.