Studies of the timing and causes of the Permian-Triassic extinction are complicated by the often-overlooked Capitanian extinction (also called the Guadalupian extinction), just one of perhaps two …

Jan 2, 2026 · 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 percent of the …

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 seas survived. On …

The Permian-Triassic extinction event, often referred to as the "Great Dying," occurred approximately 251 million years ago and is considered the most severe extinction event in Earth’s history.

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 …

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...

The Permian period lasted from 290 to 248 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 the Permian in …

The mass extinction at the end of the Permian was the most profound in the history of life. Fundamental to understanding its cause is determining the tempo and duration of the extinction. Uranium/lead …

Oct 25, 2023 · The mass extinction at the end of the Permian, nearly 252 million years ago, was the most severe to affect life on Earth. Generic extinction rates exceeded 80%, with victims encountered …

Jan 28, 2002 · Whatever happened during the Permian-Triassic period was much worse: No class of life was spared from the devastation. Trees, plants, lizards, proto-mammals, insects, fish, mollusks, and …