Geologic Time Scale: Silurian Period

The Silurian Period

Pridoli Epoch

Late Silurian: 423.0 to 419.2 million years ago

Ludfordian Age/Stage

Ludlow: 423.0 to 419.2 million years ago

Gorstian Age/Stage

Ludlow: 427.4 to 425.6 million years ago

Homerian Age/Stage

Wenlock: 430.5 to 427.4 million years ago

Sheinowoodian Age/Stage

Wenlock: 433.4 to 430.5 million years ago

Telychian Age/Stage

Llandovery: 438.5 to 433.4 million years ago

Aeronian Age/Stage

Llandovery: 440.8 to 438.5 million years ago

Rhuddanian Age/Stage

Llandovery: 443.8 to 440.8 million years ago

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