Platecarpus ictericus, mosasaur skull, marine reptile Protoceratops very reptile-like tetrapods that lived

very reptile-like tetrapods that lived during the Early Permian

The poster is printed on heavy-duty 110 pound

and Clovis-style points disappeared from the continental United States

Diplocynodon was very similar to the modern Caimen

Platecarpus ictericus, mosasaur skull, marine reptile Protoceratops very reptile-like tetrapods that livedMosasaurs 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