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 [1] is now deprecated.
References
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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 [1] is now deprecated.
References
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| This geochronology article is a stub. You can help Wikipedia by expanding it. |
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| This article related to the Devonian period is a stub. You can help Wikipedia by expanding it. |