Sabellidae


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Sabellidae

[sə′bel·ə‚dē]
(invertebrate zoology)
A family of sedentary polychaete annelids often occurring in intertidal depths but descending to great abyssal depths; one of two families that make up the feather-duster worms.
References in periodicals archive ?
Only gastropod abundance and the abundance of the polychaete families Pectinariidae and Sabellidae showed persistent negative effects of fishing.
The analysis of polychaete family abundance during the study period showed that the families Pectinariidae and Sabellidae (mainly comprising tube building, sedentary, and suspension-feeding species) were significantly, and persistently, affected by fishing (Table 1).
Serpulidae, Sabellidae, Cirratulidae) do not have a bulb-like, closed, embryonic chamber that is characteristic of Palaeozoic tubeworms and which resembles the protoconch of mollusks and the protoecium of bryozoans (ten Hove & van den Hurk 1993; Taylor & Vinn 2006; Fig.
However, the spherulitic prismatic structures of the Cirratulidae and Sabellidae (Vinn et al.
4%, Nereididae from 9% to 1% and Sabellidae from 14% to 5%.
The families best represented were Capitellidae (19%), Spionidae (17%), Sabellidae (14%), Lumbrinereidae (11%), Nereididae (9%), Cossuridae (8%) and Syllidae (8%).
Among annelids, calcareous tubes occur in the families of Serpulidae, Sabellidae, and Cirratulidae.
At least three families of boring polychaetes have been reported in the literature: Spionidae, Sabellidae, and Cirratulidae.
Polychaeta Magelonidae * 89 85 20 118 Capitellidae * 101 95 27 36 Cirratulidae * 17 10 22 93 Obiniidae * 31 41 74 60 Nereidae * 55 21 16 12 Glyceridae * 10 7 12 3 Goniadidae 8 7 7 Opheliidae 7 20 1 Lumbrineridae 1 2 2 Sabellidae 7 1 Nephytydae * 5 Spionidae * 3 Onuphidae * 1 Polynoidae * 1 Gastropoda Bulla gouldiana + 15 3 6 3 Haminoea vesicula * 8 2 3 1 Acteocina spp.
These individuals have an extended vermiform body not divided into segments, but its upper extreme shows a crown of tentacles shaped in a circular ring (that is the reason why they could be confused with Sabellidae polychaetes, although they do not have segmented body and lack bristles).
According to the keys of Fauchald (1977) and Rozbaczylo (1980), the analyzed worms belong to the family Sabellidae.