Mass Extinction Events

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Last updated: January 6, 2023

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First submitted	January 6, 2023
Times taken	8
Average score	50.0%
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Year	% of Species Lost	Event
445–444 Mya	85% of all species	Late Ordovician Extinction
372–359 Mya	70% of all species	Late Devonian Extinction
252 Mya	90% to 96% of all species	Permian–Triassic Extinction
201.3 Mya	70% to 75% of all species	End-Triassic Extinction
66 Mya	75% of all species	Cretaceous–Paleogene Extinction
Ongoing	≥30% of all species	Holocene Extinction

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