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Noun edit

mason worm (plural mason worms)

  1. Thelepus setosus (synonym: Thelepus spectabilis), a worm that builds a protective tube or case in the tidal zone to which fragments of shell and sand are attached.
  2. A related worm, Pectinaria gouldii
    Synonyms: trumpet worm, ice cream cone worm
  3. Alternative form of sand mason worm

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