Mosasaur Jaw Ankylosaurus after migrating into North America

after migrating into North America from northeast Asia

the sky is falling" and in this case

Our research team has discovered several dozen pieces of an Ankylosaurus

Over 200 specimens

Their heads were heavily armored with the rest of the body covered by small scales

Mosasaur Jaw Ankylosaurus after migrating into North AmericaMosasaurs were a group of predatory marine reptiles that were very successful during the Late Cretaceous Period. The first mosasaur fossils were found in the 1770's in a mine in the Netherlands, more than 50 years before the first dinosaur bones were found. Mosasaurs were among the first fossils recognized and scientifically described. "Mosasaur" means "reptile of the Meuse," a river near the quarry where mosasaurs were first found. Mosasaurs were