1 gen 251900000 anni a. C. - Permian–Triassic extinction event
Descrizione:
It is Earth's most severe known extinction event, with the extinction of 57% of biological families, 83% of genera, 81% of marine species and 70% of terrestrial vertebrate species. It is also the greatest known mass extinction of insects. It is the greatest of the "Big Five" mass extinctions of the Phanerozoic.Aggiunto al nastro di tempo:
Data:
1 gen 251900000 anni a. C.
Adesso
~ 5883516 years ago