What is the meaning of devonian period?

noun

  • From 405 million to 345 million years ago; preponderance of fishes and appearance of amphibians and ammonites.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). devonian period. Retrieved September 25, 2026, from http://smartdefine.org/devonian_period/definitions/1270175
ChicagoWordNet. 2010. "devonian period" http://smartdefine.org/devonian_period/definitions/1270175 (accessed September 25, 2026).
HarvardWordNet 2010, devonian period, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/devonian_period/definitions/1270175>.
MLAWordNet. "devonian period" 23 October 2010. Web. 25 September 2026. <http://smartdefine.org/devonian_period/definitions/1270175>