Date: 2013-09-27 03:48:50

Geochronology

Global Boundary Stratotype Section and Point

Global Standard Stratigraphic Age

Eonothem

Stage

Wuchiapingian

Asselian

Erathem

International Commission on Stratigraphy

Geology

Geologic time scale

Phanerozoic

ICS-GeologicalTimescale2013-01

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