Permian–Triassic extinction event - Wikipedia
Permian–Triassic boundary at Frazer Beach in New South Wales, with the End Permian extinction event located just above the coal layer [2] The Permian–Triassic extinction event, [α] colloquially known as …
Triassic Period - Permian Extinction, Climate Change, Fossils | Britannica
Dec 21, 2025 · On land, four-legged vertebrates and plants suffered significant reductions in diversity across the Permian-Triassic boundary. Only 30 percent of terrestrial vertebrate genera survived into …
Permian–Triassic extinction event ("Great Dying") - EBSCO
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.
The Permian-Triassic Extinction Event - ThoughtCo
Jun 9, 2025 · The end of the Permian period witnessed the extinction of most plus-sized amphibians and sauropsid reptiles (i.e., lizards), as well as the majority of the therapsids, or mammal-like reptiles (the …
Environmental crises at the Permian–Triassic mass extinction
Feb 22, 2022 · In this Review, we critically evaluate the geological evidence and discuss the current hypotheses surrounding the kill mechanisms of the Permian–Triassic mass extinction.
The Permian Extinction—When Life Nearly Came to an End
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 …
New research reveals how a 252 million year old climate crisis ...
Mar 11, 2025 · The Permian-Triassic mass extinction was caused by volcanic eruptions in what is now the Siberian Traps, releasing 100,000 billion metric tons of carbon dioxide into the atmosphere over …
Permian extinction, facts and information | National Geographic
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 Great Dying - NASA Science
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 …
Mass Extinctions Through Geologic Time - U.S. National Park Service
Feb 28, 2025 · Mass extinctions not only lead to massive reductions in the numbers of living species and genera, but also losses of entire major groups, such as trilobites at the End-Permian extinction and …