Learn how a fossil tooth embedded in a plesiosaur reveals a violent attack by a giant predatory fish in the Cretaceous sea.

Millions of years ago – ages before the Crimson Tide and Auburn Tigers college football rivalry was born – another fight went ...

Serpentine-necked, four-flippered plesiosaurs were among the most successful marine predators in the time of dinosaurs. A remarkably complete and well-preserved fossil has revealed that at least some ...

(LONDON) — The discovery of a well-preserved fossil is helping researchers learn more about an iconic Jurassic-period dinosaur. The plesiosaur, considered a successful marine predatory dinosaur, may ...

The soft tissue of a plesiosaur has been studied in detail for the first time, revealing that the marine reptiles, which lived during the age of dinosaurs and went extinct at the same time, had scales ...

A newly discovered plesiosaur fossil suggests several species of the long-necked marine dinosaur roamed the oceans 180 million years ago. The nearly complete specimen of Plesiopterys wildi from ...

Plesiosaur specimen MH 7 with comparisons. Credit: Current Biology (2025). DOI: 10.1016/j.cub.2025.01.001 A small team of archaeologists, geologists, paleontologists and climate scientists has found ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Scaly or smooth? That has long been one of paleontology’s ...

The mix of features offers new clues to how plesiosaurs navigated prehistoric oceans. The tip of a right flipper of the new plesiosaur fossil, with two scales along the trailing edge. A new study ...

Paleontology researchers in Europe have identified a new species of ancient marine reptile – often referred to as a "Jurassic sea monster" or "sea dragon" – that existed nearly 183 million years ago.