Period · Paleozoic
Devonian
419–359 Ma
The Devonian is a period within the Paleozoic, spanning roughly 419 to 359 million years ago. The "Age of Fishes"; the Moroccan trilobite beds of Alnif and the New York Hamilton Group fall in the Middle Devonian.
| Rank | period· Paleobiology Database |
|---|---|
| Base | 419 Ma· Paleobiology Database |
| Top | 359 Ma· Paleobiology Database |
| Duration | 60.3 Myr· Paleobiology Database |
| Chart | ICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables) |
Elsewhere
Cite this article
Stratum Strata. "Devonian" (Time interval). Stratum Strata pack 2026.09, as of 2026-09-21. https://stratum.black/strata/time/devonian. Accessed 2026-09-21.
@misc{stratum-devonian,
title = {Devonian},
author = {{Stratum Strata}},
howpublished = {\url{https://stratum.black/strata/time/devonian}},
year = {2026},
note = {Time interval article, Stratum Strata pack 2026.09, as of 2026-09-21; sources: stratum, pbdb. Accessed 2026-09-21.}
} 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.