Ediacaran
Cambrian
Ordovician
Silurian
Devonian
Carboniferous
Permian
Triassic
Jurassic
Cretaceous
Tertiary
Quaternary



ORDOVICIAN


<- Cambrian

Silurian ->



484 mya444 mya


The second period of the Phanerozoic Eon and the Paleozoic Era. It succeeds the Cambrian Period and precedes the Silurian Period.

Background by John Sibbick

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