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Time since the end of the Devonian geologic period

Time since the end of the Devonian geologic period (359 million y)

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Neat Ratios ...

Time since the end of the Devonian geologic period (359 million y)

  • is 2.5 x Time since the end of the Jurassic geologic period (145 million y)...more

If this was a standard unit ...

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