The geological period between 290 and 247 million years ago.

A period of geological time, dating from about 290 to 250 million years ago.

Period of geologic time 225-280 million years ago.

A geological time period (286-248 million years ago). Saw the first great mass extinction with 95% of species disappearing.

The period between the Carboniferous period and the Triassic period.

The last of the six Geologic Periods of the Paleozoic Era. It extends from the end of the Carboniferous Period (about 280 million years ago) to the beginning of the Mesozoic Era (about 230 million years ago).

from 280 million to 230 million years ago; reptiles

A geological period from 290 to 240 million years ago.

The last period of the Paleozoic era, thought ot have covered the span of time between 280 and 225 million years ago; also, the corresponding system of rocks.

Period of geological time about 285 - 248 million years ago.

Unit of rocks, dominated by red beds and evaporites, named by Roderick Murchison for the type section near Perm, Russia. Topmost unit in the Paleozoic.

It is a period of geological time which extends from 280 to 255 million years ago. It marks the end of the Paleozoic Era.

the period of geologic time from about 280 to 225 million years ago. The Permian is the last period in the Palaeozoic era.

the sixth and final epoch of the Palaeozioc era which lasted 45 million years; named after Perm on the Kama River in Central Russia, where outcrops of these rocks were first identified.

(see Geological Timescale)

Period of Earth's history from 285 to 245 million years ago.

The final period of the Paleozoic era, lasting from 286 to 245 Ma. It precedes the Triassic period of the Mesozoic era and follows the Carboniferous period, and is comprised of the Early (286-258 Ma) and Late (258-245 Ma) epochs. It is named from the province of Perm in Russia and characterized by vulcanicity, an on-going mountain-building movement called the Variscan (Appalachian in North America), and the end of the Southern Hemisphere glaciation.

period of geological time between 286 and 248 million years ago. The name comes from Permia, an ancient kingdom in Central Europe. See Geological Timescale.

Late Paleozoic age ranging from 295 Ma to 245 Ma.

The last period of the Paleozoic era (after the Pennsylvanian), thought to have covered the span of time between 290 and 248 million years ago; also, the corresponding system of rocks. The Permian is sometimes considered part to the Carboniferous, or is divided between the Carboniferous and Triassic. It is named after the province of Perm, Russia, where rocks of this age were first studied.

a geological time period approximately 298 to 251 million years ago.

The geological period that lasted from 280 Ma ago to 225 Ma ago. At the end of this period the largest mass extiction ever to hit life on Earth occured. Up to 96% of all species died out. The period is named for the province of Perm in Russia.

Last geologic period in the Paleozoic era. Occurred from 286 to 245 million years ago. This period saw the mass extinction of many corals, brachiopods, and trilobites. It also saw the diversification and growing dominance of the reptiles.

A period of geological time from 290-250 Ma;

The final period of the Paleozoic era which stretched from 290 to 248 million years ago.

the last period of the Paleozoic, after the Pennsylvanian and before the Triassic. It was characterized by the end of the trilobites, the spread of the reptiles, and widespread basaltic vulanism; rocks formed in this period. [AHDOS

The final period of the Palaeozoic from 290Ma-245Ma. The end of the Permian saw a mass extinction that wiped out around 90% of all marine life and nearly 70% of terrestrial life. Many theories have been presented for the cause of the extinction, including plate tectonics, an impact event, a supernova, extreme volcanism, the release of frozen methane hydrate from the ocean beds to cause a greenhouse effect, or some combination of factors. Epochs: Zechstein 260-245Ma Rotliegendes 290-260Ma