Researchers at Lund University in Sweden have examined fossilized soft tissue from a plesiosaur for the first time, revealing that the ancient marine reptile had both smooth and scaly skin. The study, ...

These fossilized bones belonged to a roughly 4.5-meter-long plesiosaur that swam Earth's oceans 183 million years ago, during ...

A “pellet” found in a plesiosaur fossil unearthed in Kagoshima Prefecture indicates the prehistoric creature regurgitated indigestible parts of its prey, much like modern birds and alligators ...