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The Triassic (/traɪˈæsɪk/ try-ASS-ik; sometimes symbolized ) is a geologic period and system which spans 50.5 million years from the end of the Permian Period ...
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The Triassic is the first geological period in the Mesozoic era and the seventh period of the Phanerozoic eon. It lasted 50.6 million years.
This category contains events which happened in the Triassic, a division of the geologic time scale. See geologic time scale for information about its ...