Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus ...

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Dinosaurs evolved from more primitive reptiles in the aftermath of Earth's biggest mass-extinction event caused by extreme volcanism at the end of the Permian Period about 252 million years ago.

The two groups appeared during the Triassic period, following the Permian mass extinction event, which saw some 90 per cent of Earth’s species wiped out. The researchers used fossilised leg ...

These plants and animals died off at about the same time, during the end of the Permian period—around 252 million years ago—and the beginning of the Triassic Period. That’s how we know there was a ...

These ancient arthropods have survived multiple mass extinction events, including the famous Permian-Triassic extinction ... one that annihilated 70% of marine species during the Devonian period.

Importantly, in addition to the Jurassic/Cretaceous play already well known in Mongolia, oil has been found in older Triassic and Permian reservoirs ... year exploration period is $14.9 million.

HOUSTON, Feb 6 (Reuters) - Growth in oil output from the U.S. Permian basin, the country's top oilfield, is expected to slow by at least 25% this year despite President Donald Trump's vow to ...