What is the meaning of Placoides?

(n.pl.) A group of fishes including the sharks and rays; the Elasmobranchii; -- called also Placoidei.
Webster's Revised Unabridged Dictionary
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APAWebster's. (2011). placoides. Retrieved September 22, 2026, from http://smartdefine.org/placoides/definitions/2046018
ChicagoWebster's. 2011. "placoides" http://smartdefine.org/placoides/definitions/2046018 (accessed September 22, 2026).
HarvardWebster's 2011, placoides, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/placoides/definitions/2046018>.
MLAWebster's. "placoides" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/placoides/definitions/2046018>