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Paleozoic[edit]
Cambrian[edit]
| Early Cambrian
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| Age
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Unit
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Date
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Events
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Images
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| Fortunian
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Ordovician[edit]
Silurian[edit]
Devonian[edit]
Carboniferous[edit]
Permian[edit]
Mesozoic[edit]
Cenozoic[edit]
Paleogene – Neogene[edit]
Quaternary[edit]
