Mosasaurs tooth in sandstone matrix, Morocco According to 'THE FOSSIL BOOK, A Record Of Prehistoric Life" the Mosasaurs reached a great length of between 30 to 40 feet long. Many specimens fo Mosasaurs skeletons have been found in the United States. F1712 - Mosasaurs tooth in sandstone matrix, Morocco. The Mosasaurs tooth is real and has been place into the sandstone but this does not distract from this being an awesome specimen. The Mosasaurs was called the "true aquatic lizards. They ranged the world during the Late Cretaceous, (70 million to 100 million years.) reaching their zenith in seas that spread inland from the Atlantic Ocean and the Gulf of Mexico.   From Morocco.!  GREAT PRICE $36.50  (You can always remove items from your cart later if you wish)