<page_title> Bathonian </page_title> <table> <cell> Bathonian <col_header> System/ Period </col_header> </cell> <cell> 166.1 <col_header> Series/ Epoch </col_header> </cell> <cell> 168.3 <col_header> Stage/ Age </col_header> </cell> </table>
Bathonian lasted from approximately 168.3 Ma to around 166.1 Ma.