echinodermata definition

  • noun-plural:
    • the grand divisions of the pet kingdom. By many writers it absolutely was formerly within the Radiata.
  • others:
    • A phylum or subkingdom of metazoic creatures; the echinoderms.
  • noun:
    • radially shaped marine invertebrates including e.g. starfish and water urchins and ocean cucumbers

Related Sources

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