Ordovician Chronostratigraphic Chart

showing correlation of regional chronostratigraphic schemes with the new global stages and series for the Ordovician System

By Bergstrom, S.M., Xu Chen, Gutierrez-Marco, J.C., and Dronov, A., 2008, Lethaia, DOI 10.1111/j.1502-3931.2008.00136.x

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