échinodermes

Definitions of échinodermes
  1. noun
    marine invertebrates with tube feet and five-part radially symmetrical bodies
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    types:
    étoile de mer
    echinoderms characterized by five arms extending from a central disk
    oursin
    shallow-water echinoderms having soft bodies enclosed in thin spiny globular shells
    concombre de mer, holothurie
    echinoderm having a flexible sausage-shaped body, tentacles surrounding the mouth and tube feet; free-living mud feeders
    type of:
    invertébré
    any animal lacking a backbone or notochord; the term is not used as a scientific classification
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