Similar to C-O境界

6174

144,000

2,147,483,647

Extinction event

Cenomanian-Turonian boundary event

Late Devonian mass extinction

Late Ordovician mass extinction

Anoxic event

Holocene extinction

Cretaceous–Paleogene boundary

Snowball Earth

Late Pleistocene extinctions

Chicxulub crater

Triassic–Jurassic extinction event

Youngest Toba eruption

Nemesis (hypothetical star)

Cretaceous–Paleogene extinction event

Permian–Triassic extinction event

Huronian glaciation

End-Ediacaran extinction