Triassic PeriodLate TriassicMiddle to Late TriassicPermo-TriassicTriasLower Triassic Triassic 200 million years agoearliest MesozoicEarly Triassic
The Triassic is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.9 million years ago (Mya), to the beginning of the Jurassic Period Mya.wikipedia
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