Sabellida is an

order Order, ORDER or Orders may refer to: * A socio-political or established or existing order, e.g. World order, Ancien Regime, Pax Britannica * Categorization, the process in which ideas and objects are recognized, differentiated, and understood ...

annelid The annelids (), also known as the segmented worms, are animals that comprise the phylum Annelida (; ). The phylum contains over 22,000 extant species, including ragworms, earthworms, and leeches. The species exist in and have adapted to vario ...

worms in the class Polychaeta. They are

filter feeder Filter feeders are aquatic animals that acquire nutrients by feeding on organic matters, food particles or smaller organisms (bacteria, microalgae and zooplanktons) suspended in water, typically by having the water pass over or through a s ...

s with no buccal organ. The

prostomium The prostomium (From Ancient Greek, meaning "before the mouth"; : prostomia; sometimes also called the "acron") is the Cephalization, cephalized first body segment in an annelid worm's body at the anterior end. It is in front of (but does not in ...

is fused with the

peristomium The peristomium is the first true body segment in an annelid worm's body in the anterior end. It is directly behind the prostomium and contains the mouth, tentacular cirri, and sometimes feeding palps, which may instead occur on the prostomium. If ...

and bears a ring of feathery feeding tentacles. They live in parchment-like tubes made of particles from their environment such as sand and shell fragments cemented together with mucus. Members of the suborder include the

feather duster worm Sabellidae, or feather duster worms, are a family of marine polychaete tube worms characterized by protruding feathery branchiae. Sabellids build tubes out of a tough, parchment-like exudate, strengthened with sand and bits of shell. Unlike th ...

s (Sabellidae) and serpulid worms (Serpulidae). Among the species are the giant feather duster worm (''

Eudistylia polymorpha ''Eudistylia polymorpha'', the giant feather duster worm, is a species of marine polychaete worm belonging to the family Sabellidae. Its common name is from the crown of tentacles extended when the animal is under water. Description ''E. polymor ...

''), the peacock worm (''

Sabella pavonina ''Sabella pavonina'', commonly known as the peacock worm, is a marine polychaete worm belonging to the family Sabellidae. They can be found along the coasts of Western Europe and the Mediterranean. It is found in shallow, tidal waters with a be ...

''), the European fan worm (''

Sabella spallanzanii ''Sabella spallanzanii'' is a species of marine polychaete worms in the Family (biology), family Sabellidae. Common names include the Mediterranean fanworm, the feather duster worm, the European fan worm and the pencil worm.Branch, G.M.; Branch, ...

'') and the Christmas tree worm (''

Spirobranchus giganteus ''Spirobranchus giganteus'', commonly known as the Christmas tree worm, is a tube-building polychaete worm belonging to the family Serpulidae. The ''S. giganteus'' lives in coral reefs in the Indo-Pacific region to the Caribbean. Anatomy ...

''). The inclusion of

Oweniidae Oweniidae is a family of marine polychaete worms in the clade Palaeoannelida. The worms live in tubes made of sand and are selective filter feeders, detritivores and grazers. Characteristics Members of this family live in tubes made of sand and ...

and

Siboglinidae Siboglinidae is a family (biology), family of polychaete Annelida, annelid worms whose members made up the former phylum, phyla Pogonophora and Vestimentifera (the giant tube worms). The family is composed of around 100 species of vermiform creatu ...

is not currently supported.

References

External links

* * Annelid orders {{Annelid-stub