The top documents tagged [mya silurian silurian]

Geologic Time Line October 19, 2010. EonEraPeriodEpochOld Periods Phanerozoic Eon 543 mya to Present Cenozoic Era Cenozoic Era 65 mya to Present Neogene.

Geologic Time Line October 19, 2010. EonEraPeriodEpochOld Periods Phanerozoic Eon 543 mya to Present Cenozoic Era Cenozoic Era 65 mya to Present Neogene.

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