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 Annelida (segmented worms)
- The class Polychaetea (bristle worms)
- The order Canalipalpata (bristle-footed annelids or fan-head worms)
- The family Siboglinidae (beard worms)
- The genus Lamellibrachia
- The species Riftia pachyptila (giant tube worm)
- The family Serpulidae
- The family Sabellidae (feather duster worms)
- The family Siboglinidae (beard worms)
- The order Canalipalpata (bristle-footed annelids or fan-head worms)
- The class Polychaetea (bristle worms)
- The phylum Phoronida (horseshoe worms)
- The order Microconchida (extinct tubeworms)