Template:Ordovician Footer

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Ordovician period
Lower/Early Ordovician	Middle Ordovician	Upper/Late Ordovician
Tremadocian | Floian	Dappingian | Darriwilian	Sandbian | Katian Hirnantian

[edit] See also

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• Template:Hadean Footer
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• Template:Cambrian Footer
• Template:Ordovician Footer
• Template:Silurian Footer
• Template:Devonian Footer
• Template:Carboniferous Footer
• Template:Permian Footer

• Template:Mesozoic Footer

• Template:Triassic Footer
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[edit] Sources

• http://www.stratigraphy.org/cheu.pdf
• http://www.stratigraphy.org/codeu.pdf