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Heres the list of the extinctions of Earth's Past:

6 Great extinction events :

Ordovician–Silurian extinction event (450 million years ago)

Late Devonian extinction (377 million years ago)

Permian–Triassic extinction event (250 million years ago)

Triassic–Jurassic extinction event (200 million years ago)

Cretaceous–Paleogene extinction event (65 million years ago)

Quaternary extinction event (74,000 years ago)

Minor extinctions:

Pliocene		Pliocene–Pleistocene boundary marine extinction	2 Ma	Supernova in the Scorpius-Centaurus OB association^[18]
Neogene	23.03	Middle Miocene disruption	14.5 Ma	Nördlinger Ries bolide impact? Volcanoes in African Rift Valley
Palaeogene		Eocene–Oligocene extinction event	33.9 Ma	Volcanoes? Chesapeake Bay and Popigai crater bolide impacts?
Cretaceous	145	Aptian extinction	117 Ma	Rajmahal Traps volcanism episode in Bengal?
		End-Jurassic extinction	145.5 Ma	Tamu Massif?
Jurassic	201.3	Toarcian turnover	183 Ma	Karoo-Ferrar?
Triassic	252.2	Carnian Pluvial Event	232 Ma	Wrangellia flood basalts?
Permian	298.9	Olson's Extinction	270 Ma
Carboniferous	358.9	Carboniferous Rainforest Collapse	318 Ma	Climate change, Woodleigh crater?
		End-Silurian extinction event	416 Ma
		Lau event	420 Ma
		Mulde event	424 Ma	Global drop in sea level?
Silurian	443.4	Ireviken event	428 Ma	Deep-ocean anoxia?
		Cambrian–Ordovician extinction event	488 Ma	Glaciation? Depletion of oxygen in marine waters?
		Dresbachian extinction	502 Ma
Cambrian	541	End-Botomian extinction event	517 Ma
Precambrian	4600	End-Ediacaran extinction	542 Ma	Ocean anoxia?
		Great Oxygenation Event

An ajg — Stegodon's from the Quaternary extinction event 74,000 years ago

[18

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