The fleetest prehistoric reptile athlete turned out to be the smallest.

Based on the team's descriptions, the monster closely resembles a plesiosaur, a prehistoric reptile thought to have become extinct around 66 million years ago.

It was a prehistoric reptile which lived during the time of the earliest dinosaurs.

Fossils of prehistoric reptiles and amphibians have been found in the formation.

During the initial scouting expedition this young planet was declared inhospitable for colony life due to its unstable terrain and immense population of prehistoric reptiles.