Early Triassic
Period
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The Early Triassic is the first of three epochs of the Triassic Period of the geologic timescale. It spans the time between 251.9 Ma and 247.2 Ma. Rocks from this epoch are collectively known as the Lower Triassic Series, which is a unit in... Wikipedia
Period: Triassic
Occurred: 251.902 (+/- 0.024) million years ago - 247.2 million years ago
Chronological unit: Epoch
Lower boundary definition: FAD of the Conodont Hindeodus parvus
Lower GSSP ratified: 2001