Time since the emergence of flowering plants

Time since the emergence of flowering plants (125 million y)

/fact/time-since-the-emergence-of-flowering-plants

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Neat Ratios ...

Time since the emergence of flowering plants (125 million y)

is 2/5 of Time since the emergence of earliest reptiles (315 million y)...more
is 1/2 of Time since the end of the Permian geologic period (252 million y)...more
is 2 x Length of one Alautun, longest unit in Mayan calendar (63.1 million y)...more
is 500 x Time since the first modern humans (250,000 y)...more
is 2500 x Time since first humans in Australia (50,000 y)...more

If this was a standard unit ...