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... > geologic time scale > geological age > Phanerozoic > Paleozoic > Devonian > Lower Devonian > Siegenian

Preferred term

Siegenian  

Definition

  • The Siegenian was an epoch of the Devonian period spanning from -411.2 +/- 2.8 To -407 +/- 2.8 Ma. The term overlaps with parts of the internationally recognised Pragian and Emsian epochs, and although once widely used is now deprecated. (Adapted from: https://en.wikipedia.org/wiki/Siegenian)

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URI

http://data.loterre.fr/ark:/67375/QX8-86V3DWC6-M

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