Marine reptiles

The dinosaurs lived only on land. But from the Permian Period and on through the entire Age of Dinosaurs, various groups of large reptiles swam in the oceans. Most were hunters...

Ichthyosaurus

Ichthyosaurus was a marine reptile that lived during the Early Jurassic Period. The name Ichthyosaurus means “fish lizard”, with its close relatives forming the ichthyosaur...

Plesiosaurus

Plesiosaurus was a marine reptile that lived in the Early Jurassic Period. It gives its name to a wide range of related animals called the plesiosaurs. It had a short head, a long...

Kronosaurus

Kronosaurus was a marine reptile of the pliosaur group (short-necked plesiosaurs) that lived during the Cretaceous. It was one of the largest marine reptiles that has ever lived...

Marine reptiles A-Z