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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.
- Permian Period and Extinction
The Permian extinction—the worst extinction event in the...
- Permian Period and Extinction
24 wrz 2024 · Permian extinction, a series of extinction pulses that contributed to the greatest mass extinction in Earth’s history. Many geologists and paleontologists contend that the Permian extinction occurred over the course of 15 million years during the latter part of the Permian Period (299 million to 252 million years ago).
12 wrz 2024 · The Permian Period began 298.9 million years ago and ended 252.2 million years ago, extending from the close of the Carboniferous Period to the outset of the Triassic Period. At the beginning of the period, glaciation was widespread, and latitudinal climatic belts were strongly developed.
23 sty 2017 · The Permian extinction—the worst extinction event in the planet's history—is estimated to have wiped out more than 90 percent of all marine species and 70 percent of land animals. Various...
Of the five mass extinction events on Earth, the one 252 million years ago during the Permian Period was the most devastating. The Permian mass extinction, or “Great Dying,” killed 9 out of every 10 species on the planet and its effects are still seen today.
22 lut 2022 · Key points. The Permian–Triassic mass extinction (252 million years ago) substantially reduced global biodiversity, with the extinction of 81–94% of marine species and 70% of terrestrial...
12 wrz 2024 · Although other single event causes have been suggested, current explanations of Permian extinction events have focused on how biological and physical causes disrupted nutrient cycles.
