The Permian is a geologic period and system that extends from 299.0 ± 0.8 to 251.0 ± 0.4 Ma (million years before the present) (ICS, 2004). It is the last period of the Paleozoic Era. The Permian period was named after the kingdom of Permia, Russia by Scottish geologist Roderick Murchison in 1841 (not the city of Perm, as commonly misconstrued).
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| - The Permian is a geologic period and system that extends from 299.0 ± 0.8 to 251.0 ± 0.4 Ma (million years before the present) (ICS, 2004). It is the last period of the Paleozoic Era. The Permian period was named after the kingdom of Permia, Russia by Scottish geologist Roderick Murchison in 1841 (not the city of Perm, as commonly misconstrued).
- The Permian is a geologic period that extends from about 299.0 ± 0.8 Ma to 251.0 ± 0.4 Ma (million years before the present; ICS 2004). It is the last period of the Palaeozoic Era.
- The Permian was a period in Earth's history. It was dominated by a harsh, arid and volcanic environment, and it was ruled by reptiles, most of which were the ancestors of mammals.
- Permians (named by the Fifth Doctor after their native time period) were predatory creatures native to Earth around 260 million BC.
- The Permian period (named after the place where its deposits were first discovered), was the sixth and the last period of the Paleozoic, after the Carboniferous, but before the Triassic. It began roughly 280 +/- 10 MYA and ended approximately 230 +/- 10 MYA, lasting for about 50 +/- 10 millin years. During the Permian mountains were formed in the modern Urals, Western Europe, the Appalachians, etc. The sea levels dropped, creating vast expenses of dry land. The climate varied abrupty, from tropical to dry and hot, to moderate and even to cold. The South Hemisphere even had glaciers.
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| - The Permian is a geologic period and system that extends from 299.0 ± 0.8 to 251.0 ± 0.4 Ma (million years before the present) (ICS, 2004). It is the last period of the Paleozoic Era. The Permian period was named after the kingdom of Permia, Russia by Scottish geologist Roderick Murchison in 1841 (not the city of Perm, as commonly misconstrued).
- The Permian is a geologic period that extends from about 299.0 ± 0.8 Ma to 251.0 ± 0.4 Ma (million years before the present; ICS 2004). It is the last period of the Palaeozoic Era.
- The Permian period (named after the place where its deposits were first discovered), was the sixth and the last period of the Paleozoic, after the Carboniferous, but before the Triassic. It began roughly 280 +/- 10 MYA and ended approximately 230 +/- 10 MYA, lasting for about 50 +/- 10 millin years. During the Permian mountains were formed in the modern Urals, Western Europe, the Appalachians, etc. The sea levels dropped, creating vast expenses of dry land. The climate varied abrupty, from tropical to dry and hot, to moderate and even to cold. The South Hemisphere even had glaciers. The Permian animals underwent a period of extinction, including the archaic corals, the last trilobites and sea scorpions, other invertebrates, including mollusks (but not the first ammonites). Among the vertebrates, this was the peak of large mammal-like reptiles, including the gorgonopsids, who died out at the end of the epoch. The Permian plants too underwent a change: the more basal families got replaced by the first cordaites and conifers.
- The Permian was a period in Earth's history. It was dominated by a harsh, arid and volcanic environment, and it was ruled by reptiles, most of which were the ancestors of mammals.
- Permians (named by the Fifth Doctor after their native time period) were predatory creatures native to Earth around 260 million BC.
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