The Permian–Triassic extinction event, [α] colloquially known as the Great Dying, [7][8] was an extinction event that occurred approximately 251.9 million years ago (mya), at the boundary …

Nov 21, 2025 · The Permian extinction was characterized by the elimination of about 90 percent of the species on Earth, which included more than 95 percent of the marine species and 70 …

Nov 21, 2025 · Almost all life on land and in the ocean was wiped out during "The Great Dying," a mass extinction event at the end of the Permian Era about 250 million years ago. New …

The Permian period lasted from 299 to 251 million years ago* and was the last period of the Paleozoic Era. The distinction between the Paleozoic and the Mesozoic is made at the end of …

About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than 5 percent of the animal species in the seas survived. On land...

Oct 29, 2025 · Permian fossils record the final evolutionary steps of the Paleozoic Era and the abrupt evidence of Earth’s largest mass extinction event.

Oct 15, 2024 · About 250 million years ago, at the end of the Permian period, something killed some 90 percent of the planet's species. Less than five percent of the animal species in the …

The Permian-Triassic extinction event, informally known as the "Great Dying," was a catastrophic series of events that destroyed the majority of life on Earth about 251 million years ago.

Apr 28, 2023 · The largest extinction event in Earth’s history—far more devastating than the more famous Cretaceous extinction when the dinosaurs disappeared—marks the end of the …

Sep 1, 2025 · Approximately 252 million years ago, this catastrophic event marked the boundary between the Permian and Triassic periods, and the Paleozoic and Mesozoic eras. It led to an …