Mesozoic

The Mesozoic Era is one of three geologic eras of the Phanerozoic eon. Lying between the Paleozoic and the Cenozoic, "Mesozoic" means "middle animals", deriving from Greek prefix meso-/μεσο- for "between" and zoon/ζωον meaning "animal" or "living being". It is often called the "Age of the Reptiles", after the dominant fauna of the era (ref).

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