Geologic Eras

Can you name the Geologic Eras?

The Hadean eon does not have any (official) eras

2 eons are hidden due to their names being shared with their eras

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Last updated: October 13, 2023

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First submitted	October 10, 2023
Times taken	2
Average score	70.0%
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Timespan	Eon	Era
66 mya - now	Phanerozoic	Cenozoic
251.9 - 66 mya		Mesozoic
538.8 - 251.9 mya		Paleozoic
1,000 - 538.8 mya	Proterozoic	Neoproterozoic
1,600 - 1,000 mya		Mesoproterozoic
2,500 - 1,600 mya		Paleoproterozoic
2,800 - 2,500 mya	Archean	Neoarchean
3,200 - 2,800 mya		Mesoarchean
3,600 - 3,200 mya		Paleoarchean
4,000 - 3,600 mya		Eoarchean
4,567.3 - 4,000 mya	Hadean	-

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