The Permian (/ ˈpɜːrmi.ən / PUR-mee-ən) [4] is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period 298.9 million years ago (Mya), to the beginning of the Triassic Period 251.902 Mya.

Mar 6, 2019 · During the early Permian, these synapsids resembled crocodiles and even dinosaurs, as witness famous examples like Varanops and Dimetrodon.

Permian Period, in geologic time, the last period of the Paleozoic Era. 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.

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 Permian. Scientists estimate that more than half (53%) of all taxonomic families were lost.

Too few Permian diapsid fossils have been found to support any conclusion about the effect of the Permian extinction on diapsids (the "reptile" group from which lizards, snakes, crocodilians, and dinosaurs (including birds) evolved).

The more robust Permian Explosion of life introduced the age of dinosaurs and birds, which dominated the earth from around 250 Ma to 66 Ma, when the global cooling from an asteroid impact (K-T extinction event) wiped out terrestrial life forms weighing more than 25 Kg (55 lbs.).

Lasting from 300 million years ago to 250 million years ago, The Permian Period is the final period of the Paleozoic Era. During the period, the Earth was divided into huge areas of land and ocean.

Jan 23, 2017 · The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago. The emerging supercontinent of Pangaea presented severe extremes of ...

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 the Permian in recognition of the largest mass extinction recorded in the history of life on Earth.

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 recognition of the largest mass extinction recorded in the history of life on Earth.