triassic ( synonym found)
Definition of triassic:

°Of or from the geologic strata above the Permian and below the Jurassic; of or belonging to the period 250 to 200 million years ago when these strata were laid down.
°A geologic period within the Mesozoic era; comprises lower, middle and upper epochs from about 250 to 200 million years ago.
Definition of triassic:

°Of or from the geologic strata above the Permian and below the Jurassic; of or belonging to the period 250 to 200 million years ago when these strata were laid down.
°A geologic period within the Mesozoic era; comprises lower, middle and upper epochs from about 250 to 200 million years ago.
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