Tube worm
Introduction A '''tubeworm''' is any worm-like sessile invertebrate that anchors its tail to an underwater surface and secretes around its body a mineral tube, into which it can withdraw its entire body.Tubeworms are found among the following taxa:* Annelida, the phylum containing segmented worms** Polychaetea, the class containing bristle worms*** Canalipalpata, the order containing bristle-footed annelids or fan-head worms**** Siboglinidae, the family of beard worms***** ''Riftia pachyptila'', a species known as giant tube worms***** Lamellibrachia, a genus**** Serpulidae, a family**** Sabellidae, the family containing feather duster worms* Phoronida, the phylum containing horseshoe worms* Microconchida, an order of extinct tubeworms* ''Kuphus polythalamia'' , a bivalve mollusk species whose common name is giant tube worm
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