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Phanerozoic
Phanerozoic
Phanerozoic eon
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Geologic time scale (GTS)
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Cenozoic
Phanerozoic
Mesozoic
Phanerozoic
Paleozoic era
Phanerozoic
Cenozoic - Wikipedia
https://en.wikipedia.org/wiki/Cenozoic
Phanerozoic
Phanerozoic - Wikipedia
https://en.wikipedia.org/wiki/Phanerozoic
Phanerozoic