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Definition of Phanerozoic aeon
1. Noun. The period from about 5,400 million years ago until the present.
Exact synonyms: Phanerozoic, Phanerozoic Eon
Terms within: Age Of Mammals, Cenozoic, Cenozoic Era
Generic synonyms: Aeon, Eon
Terms within: Age Of Mammals, Cenozoic, Cenozoic Era
Generic synonyms: Aeon, Eon
Lexicographical Neighbors of Phanerozoic Aeon
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