85 million years ago in the Niobrara Formation a group of Geosternbergia (Pteranodon sternbergi) is trying to hunt during a thunderstorm... but there are dangerous creatures in these Cretaceous seas.
Overview：85 million years ago in the Niobrara Formation a group of Geosternbergia (Pteranodon sternbergi) is trying to hunt during a thunderstorm... but there are dangerous creatures in these Cretaceous seas.
