Assertion: holocene extinction | /r/Synonym | sixth extinction
Facets:
value: after the late devonian extinction
type: TEMPORAL
Source sentences:
text: The Holocene extinction is also known as the "sixth extinction", as it is possibly the sixth mass extinction event, after the Ordovician–Silurian extinction events, the Late Devonian extinction, the Permian–Triassic extinction event, the Triassic–Jurassic extinction event, and the Cretaceous–Paleogene extinction event.