Platecarpus ictericus, mosasaur skull, marine reptile Beaver Giant Beaver (61 cm high x 51

(61 cm high x 51 cm long)

just different generations of the same cast

The specimens from Alaska (where this one was found)

com and CatSkulls

Platecarpus ictericus, mosasaur skull, marine reptile Beaver Giant Beaver (61 cm high x 51Platecarpus ictericus, mosasaur skull, marine reptile 32X17 Inches Mosasaurs were a group of predatory marine reptiles that were very successful during the Late Cretaceous Period. The first mosasaur fossils were found in the 1770s 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