419 – 393 MA

Epoch · Devonian

Early Devonian

419–393 Ma

The Early Devonian is an epoch within the Devonian, spanning roughly 419 to 393 million years ago.

Rankepoch· Paleobiology Database
Base419 Ma· Paleobiology Database
Top393 Ma· Paleobiology Database
Duration25.9 Myr· Paleobiology Database
ChartICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables)

Elsewhere

Cite this article

Stratum Study. "Early Devonian" (Time interval). Stratum Study pack 2026.09, as of 2026-09-19. https://stratum.black/study/time/early-devonian. Accessed 2026-09-20.

@misc{stratum-early-devonian,
  title        = {Early Devonian},
  author       = {{Stratum Study}},
  howpublished = {\url{https://stratum.black/study/time/early-devonian}},
  year         = {2026},
  note         = {Time interval article, Stratum Study pack 2026.09, as of 2026-09-19; sources: stratum, pbdb. Accessed 2026-09-20.}
}

Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.

Sources for this article: Stratum editorial (Stratum editorial);Paleobiology Database (CC-BY-4.0). As of 2026-09-19; Study pack 2026.09. Data reproduced under the licences shown; text in Stratum's own words unless a section names its source.

Found an error? Write to drew@tyr.ac with the article id interval:early-devonian.