The Hell Creek Mosasaur, reconstruction by Christopher DiPiazza. Please note that more images and a short video are available at this link: https://springernature-my ...
At the end of the Cretaceous Period, a type of giant reptile called mosasaurs occupied and dominated oceanic food webs. Mosasaurs had long bodies and were related to both snakes and monitor lizards.
A mosasaur tooth has been found at one of the most famous Late Cretaceous fossil sites in the world. That means the famous marine predators adapted to a freshwater environment, and it seems they ...