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
...
of
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 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 worms (Sabellidae) and
serpulid worms (Serpulidae). Among the species are the giant feather duster worm (''
Eudistylia polymorpha''), the peacock worm (''
Sabella pavonina''), the European fan worm (''
Sabella spallanzanii'') and the Christmas tree worm (''
Spirobranchus giganteus''). The inclusion of
Oweniidae 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
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*
Annelid orders
{{Annelid-stub