What is Tube worm?
A '''tube worm''' is a worm-like [[sessile]] [[invertebrate]] which anchors its tail to an underwater surface. It creates a mineral tube around its body, and can withdraw the body into it. Tube worms are found in these groups: * The [[phylum]] [[Annelid]]a (segmented worms) ** The [[class (biology)|class]] [[Polychaete]]a (bristle worms) *** The [[order (biology)|order]] [[Canalipalpata]] (bristle-footed annelids or fan-head worms) **** The [[family (biology)|family]] [[Siboglinidae]] (beard worms) ***** The [[genus]] [[Lamellibrachia]] ***** The [[species]] ''Riftia pachyptila'' ([[giant tube worm]]) **** The family [[Serpulidae]] **** The family [[Sabellidae]] (feather duster worms) * The phylum [[Phoronida]] (horseshoe worms) * The order [[Microconchida]] (extinct tubeworms) {{disambig}}