The new species underlines the multiplicity of these ancient reptiles during the Triassic, from giants like Mambawakale ruhuhu to smaller animals like the newly described B. eremicarminis ...

These strange animals are ... reptile whose lineage stretches back approximately 230 million years to the Triassic period, making it one of the oldest surviving lineages of reptiles.

The period of time before the Triassic was called the Permian. This was a time when a wide variety of animals lived, including a group of animals called the synapsids, which would later evolve ...

Read more Largest ever animal may have been Triassic ichthyosaur super-predator The teeth are first known to have appeared some 270 million years ago, in mammal-like reptiles called gorgonopsids.

Many think dinosaurs first emerged on land well south of the equator that now forms part of Argentina and Zimbabwe, but they may have actually arisen in tougher conditions near the equator ...

The earliest definitive dinosaur is not one animal but an entire ecosystem containing a few different species. There's no universally accepted dinosaur species that lived earlier in time. Dating to ...

The traits that dinosaurs and pterosaurs evolved at small size, when the animals were squeaking by in a world filled with more imposing reptiles, may have allowed them to survive the end-Triassic ...

During the Triassic, though, those mountaintop rock layers made up ... Sander said “we have miserable coverage for what was among the most giant animals on Earth.” Sander said the limited record makes ...

Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos like Therizinosaurus, ...

Learn about the time period that took place 251 to 199 million years ago. 3 min read The start of the Triassic period (and the Mesozoic era) was a desolate time in Earth's history. Something—a ...