What is the meaning of Echinoidea?

noun

WordNet 3.0 © 2006 by Princeton University
10
 
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APAWordNet. (2010). echinoidea. Retrieved September 21, 2026, from http://smartdefine.org/echinoidea/definitions/1199220
ChicagoWordNet. 2010. "echinoidea" http://smartdefine.org/echinoidea/definitions/1199220 (accessed September 21, 2026).
HarvardWordNet 2010, echinoidea, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/echinoidea/definitions/1199220>.
MLAWordNet. "echinoidea" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/echinoidea/definitions/1199220>
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