#tube_foot  tentacular tubular process of most echinoderms (starfish and sea urchins and holothurians) having a sucker at the end and used for e.g. locomotion and respiration
  supertype:  #invertebrate_foot__foot  any of various organs of locomotion or attachment in invertebrates
  part of:  #echinoderm  marine invertebrates with tube feet and calcite-covered five-part radially symmetrical bodies

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