<page_title> Eocene </page_title> <table> <cell> Paleogene <col_header> System/ Period </col_header> </cell> <cell> Eocene <col_header> System/ Period </col_header> </cell> <cell> 33.9 <col_header> Stage/ Age </col_header> </cell> <cell> 56.0 <col_header> Stage/ Age </col_header> </cell> </table>
The Eocene Epoch, lasting from 56 to 33.9 million years ago and the second epoch of the Paleogene Period.