Template:Fish graphical timeline

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Events of the Devonian Period
Key events of the Devonian Period.
Axis scale: millions of years ago.

References

  1. Parry, S.F.; Noble S.R., Crowley Q.G. & Wellman C.H. (2011). "A high-precision U–Pb age constraint on the Rhynie Chert Konservat-Lagerstätte: time scale and other implications". Journal of the Geological Society. London: Geological Society. 168 (4): 863–872. doi:10.1144/0016-76492010-043.