A 183-million-year-old fossil with exceptionally well-preserved soft tissues has revealed that some plesiosaurs were covered in both skin and scales, suiting them to a life stalking the seas for prey.

The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period species. The plesiosaur, considered a successful marine predatory ancient species, may ...

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, ...