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Start of Llandovery Epoch/Silurian Period
The first epoch in the Silurian period
443 million years ago -
Period: to
Silurian period
every year is equivalent to 2 million years -
Ireiken event
1st minor mass extiction
428 mil years ago -
Start of Wenlock Epoch
The oldest known Cooksonia appear
428 million years ago -
Mulde Event
2nd minor mass extinction
424 mil years ago -
Start of Ludlow Epoch
The third epoch in the Silurian period
423 million years ago -
Lau Event
3rd minor mass extiction
420 mil years ago -
Start of Pridoli Epoch
The last and shortest epoch in the Silurian period
419 million years ago -
End of Pridoli Epoch/Silurian Period
End of Silurian Period
416 million years ago