Template:Devonian graphical timeline

Devonian graphical timeline
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−420 — – −415 — – −410 — – −405 — – −400 — – −395 — – −390 — – −385 — – −380 — – −375 — – −370 — – −365 — – −360 — –	Paleozoic Silurian Devonian Carboniferous Early Mid Late Lochkovian Pragian Emsian Eifelian Givetian Frasnian Famennian	← Hangenberg event, Famennian glaciation ← Kellwasser event (Late Devonian mass extinction)[1] ← Widespread[2] shrubs & trees ← Hunsrück fauna ← Rhynie chert[3]
Subdivision of the Devonian according to the ICS, as of 2023[4] Vertical axis scale: Millions of years ago

References

These references will appear in the article, but this list appears only on this page.

1. Kaufmann, Bernd; Trapp, Endres; Mezger, Klaus (2004). "The numerical age of the Upper Frasnian (Upper Devonian) Kellwasser horizons: A new U-Pb zircon date from Steinbruch Schmidt(Kellerwald, Germany)". The Journal of Geology. 112 (4): 495–501. Bibcode:2004JG....112..495K. doi:10.1086/421077.
2. Algeo, Thomas (1998). "Terrestrial-marine teleconnections in the Devonian: links between the evolution of land plants, weathering processes, and marine anoxic events". Philosophical Transactions of the Royal Society B: Biological Sciences. 353 (1365): 113–130. doi:10.1098/rstb.1998.0195.
3. Parry, Stephen; Noble, Stephen; Crowley, Quentin; Wellman, Charles (2011). "A high-precision U–Pb age constraint on the Rhynie Chert Konservat-Lagerstätte: time scale and other implications". Journal of the Geological Society. 168 (4). London: Geological Society: 863–872. doi:10.1144/0016-76492010-043.
4. "International Chronostratigraphic Chart" (PDF). International Commission on Stratigraphy. September 2023. Retrieved October 23, 2025.