1 Results for *precambrian aeon*

หรือค้นหา: precambrian aeon, -precambrian aeon-

WordNet (3.0)

precambrian

(n) the eon following the Hadean time and preceding the Phanerozoic eon; from about 3, 800 million years ago until 544 million years ago, Syn. Precambrian aeon, Precambrian eon, Precambrian period

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