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The Triassic was from about 225 million to 190 million years ago. It is the first period of the Mesozoic ("middle life") Era.
The Triassic Period is most commonly believed to have begun 251 million years ago and lasted until 199.6 million years ago.

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13y ago
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10y ago

There is no Permian-Triassic period. The Permian and Triassic were two-separate geolgic period. The Permian-Triassic extinction event marks the end of the Permian period and the beginning of the Triassic period. This event was the most devastating mass extinction in Earth's history during which 90% of all life died out. It also marks the end of the Paleozoic era and the beginning of the Mesozoic.

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14y ago

The Triassic period lasted from 251 to 199.6 million years ago and was about 51.4 million years from start to finish.

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11y ago

The first of the the three divisions of the Mesozoic Era. It was during the Triassic that both mammals and dinosaurs evolved.

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7y ago

The triassic period occured between 251 million and 199 million years ago.

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14y ago

It was very hot !!!

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Q: When did the triassic period take place?
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