What is the meaning of placoderm?

noun

  • Fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws. .
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). placoderm. Retrieved September 29, 2026, from http://smartdefine.org/placoderm/definitions/1194993
ChicagoWordNet. 2010. "placoderm" http://smartdefine.org/placoderm/definitions/1194993 (accessed September 29, 2026).
HarvardWordNet 2010, placoderm, Smart Define, viewed 29 September, 2026, <http://smartdefine.org/placoderm/definitions/1194993>.
MLAWordNet. "placoderm" 23 October 2010. Web. 29 September 2026. <http://smartdefine.org/placoderm/definitions/1194993>
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