About 250 million years ago, at the end of the Permian period, something killed some 90 ... ocean lacked oxygen in the late Permian. But most life is concentrated in shallow water, in places ...

The end of Permian mass extinction occurred 251.9 million years ago, marking the close of a geological period known as ...

Slowly, this giant continent, called Pangaea, broke apart and spread to form the continents ... flowering plants. Life in the Triassic period had a rough start. In the Permian period before ...

This apex predator's story highlights the ecological turmoil of the extinction event and the fragility of life amidst extreme ... ecosystems. As the Permian period drew to a close, many top ...

Its unique life forms ranged from armored brachiopods to coiled nautiloids and shell-covered bivalves. Then came the doomsday. About 252 million years ago, the Permian period ended in what ...

(Image Credit: Yang Dinghua) Artistic reconstruction of the terrestrial ecological landscape before the end Permian mass ... or other elements. Life Finds A Way The scientists did detect SOME ...

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period ... Biomechanics and Evolution of Life History group at the Institut ...

Nobu Tamura/Wikimedia Commons The Triassic Period (252-201 million years ago) began after Earth's worst-ever extinction event devastated life. The Permian-Triassic extinction ... The Triassic is an ...