triassic

Adjective
  1. Of or relating to or denoting the first period of the Mesozoic era (synset 303137722)
Noun
  1. From 230 million to 190 million years ago;
    Dinosaurs, marine reptiles;
    Volcanic activity (synset 115151702)
    is an instance of: geological period, period - a unit of geological time during which a system of rocks formed
    is a part of: age of reptiles, mesozoic, mesozoic era - from 230 million to 63 million years ago
    same as: triassic period

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