author | home
Eon in planet Earth's geological record lasting from ~540 million years ago to the present.
Making up the Phanerozoic eon are three eras:
So much happened during the Phanerozoic eon in terms of the evolution of life, i.a., as over the last approximately half-billion years, that it is best considered on a per-era and, indeed, per-period (as can be seen by following the above links).
The Phanerozoic eon is preceded by the Proterozoic eon.
For more on this topic, see Wikipedia and Google. Contact web master. Return to home.