relating to an interval of geological time from about 252 to 66 million years agoThe Mesozoic is one of three geologic eras of the Phanerozoic Eon, preceded by the Paleozoic and succeeded by the Cenozoic.
The Mesozoic Era is subdivided into three major periods: the Triassic, Jurassic, and Cretaceous.
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Andrei Fiodorov from Moldova, Republic of on 07/01/2017