Quantum redactiones paginae "Devonium" differant

'''Devonium'''<ref>Christof Kuhn, "[http://www.geol-info.at/etyploc.htm Etymology of Geological Time Units]"</ref> (scil. "aevum") est [[systema (stratigraphia)|systema]] [[stratigraphia|stratigraphicastratigraphicum]] et [[periodus (geologia)|periodus]] [[Aevum geologicum|geologica]].