These occurred at the end of the Ordivician, the Late Devonian, the Permian/Triassic (P/Tr) boundary, the end of the Triassic, and the Cretaceous/Tertiary (K/T) boundary. The fossil record ...

“Life on Earth had to adjust to repeated changes in climate and the carbon cycle for several million years after the Permian-Triassic Boundary,” Brunetti added. To understand the environmental ...

Could aquatic mammals, such as whales, orcas, and bottlenose dolphins, ever evolve to live on land again? It seems the ...

Other Permian detectives suspect the killer oozed ... Renne secured chunks of lava from the Siberian Traps and Permo-Triassic boundary rocks from China. He has determined the two events occurred ...

“Life on Earth had to adjust to repeated changes in climate and the carbon cycle for several million years after the Permian-Triassic Boundary. “Our study links land plant macrofossil assemblages and ...

Then 252 million years ago came the Permian-Triassic extinction event ... About 200 million years ago, during a period known as the Triassic-Jurassic boundary, Pangaea started to crack.

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 event, also known as the ...

Life in the Triassic period had a rough start. In the Permian period before, the largest mass extinction event in Earth’s history had just taken place. Despite the widespread devastation ...

a lesser-known mass extinction event that preceded the Permian-Triassic extinction. Geographic sampling biases have historically obscured the early history of therapsids. Most Permian therapsid ...

3 min read The start of the Triassic period (and the Mesozoic era ... and sea urchins that survived the Permian extinction and were quickly diversifying. The first corals appeared, though other ...