− | The Tertiary is a term that is no longer preferred. It has been replaced by Paleogene and Neogene. | + | The Tertiary is a term that is no longer preferred. It has been replaced by Paleogene and Neogene.<ref name=Tertiary>Geowhen Database, [http://www.stratigraphy.org/bak/geowhen/TQ.html What Happened to the Tertiary?]</ref> |