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Precambrian
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Precambrian history
Chaotian
Eochaotian
Neochaotian
Hadean
Paleohadean
Mesohadean
Neohadean
Archean
Eoarchean
Paleoarchean
Mesoarchean
Neoarchean
Proterozoic
Paleoproterozoic
Mesoproterozoic
Neoproterozoic
Life origins
Phanerozoic Eon
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t
e
Phanerozoic Eon
Phanerozoic Eon