The life of a 166-million-year-old reptile has been turned upside down. While Marmoretta oxoniensis was believed to have swum ...

The Mesozoic wasn’t just the age of dinosaurs. Reptiles of all sorts thrived through the Triassic, Jurassic and Cretaceous at ...

Imagine a creature that watched dinosaurs rise and fall, endured the shattering impact of asteroids, and quietly survived as ...

The park, located in northeastern Arizona, is famous for its late-Triassic-era fossils of trees, plants, reptiles and dinosaurs. John Burcham He and his colleagues found 16 of the animal’s ...

A new review of Triassic fossils from Germany reveals rich tetrapod diversity and links to modern biodiversity and climate ...

The well-preserved findings could provide insight into how these Triassic amphibians lived and grew up, researchers reported in a new study published Wednesday (April 2) in the journal PLOS One. It's ...

Things were no better on land where numerous groups went extinct. All of the Triassic archosaurs (the ruling reptiles) who ...

Dozens of amphibians perished together on an ancient floodplain around 230 million years ago, according to a study published April 2, 2025 in the open-access journal PLOS One by Aaron M. Kufner of the ...

The Triassic Period was a time of great change. Bookended by extinctions, this era saw huge shifts in the diversity and dominance of life on Earth, ushering in the appearance of many well-known groups ...

Pterosaurs originated during the Triassic Period — well before ... primitive dinosaurs and a variety of reptiles that lived at the same time or earlier. A group known as lagerpetids ...

The discovery of nearly 20 alligator-size amphibians that died together during the Triassic in what is now Wyoming is providing scientists important clues about these creatures' lives.