Talk:Discoaster

Reasons for use as temporal marker
Could someone please add to the section on significance, Why the extinctions of Discoaster have been chosen as the markers of the Calabrian, Gelasian and Tortonian stages? Thanks! — Preceding unsigned comment added by 2.110.239.227 (talk) 22:32, 5 June 2015 (UTC)

Name
Where does the name Discoaster come from? What does it mean? Nick Barnett (talk) 09:26, 13 August 2019 (UTC)