Oweniidae

Oweniidae

[‚ō·wə′nī·ə‚dē]
(invertebrate zoology)
A family of limivorous polychaete annelids of the Sedentaria.
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Phylum Taxa Brava Navegantes Total Beach Beach Annelida Capitellidae 8 114 122 Paraonidae 42 11 53 Lumbrineridae 35 0 35 Spionidae 25 5 30 Onuphidae 25 1 26 Mageloniidae 17 2 19 Orbiniidae 7 0 7 Pilargidae 4 2 6 Oweniidae 4 1 5 Goniadidae 3 0 3 Nereidae 3 0 3 Ampharetidae 1 0 1 Flabelligeridae 1 0 1 Glyceridae 1 0 1 Magelona 1 0 1 variolamellata Poecilochaetidae 1 0 1 Sigalionidae 1 0 1 Sigambra 1 0 1 Arthropoda Amphipoda 137 3 140 Cumacea 13 11 24 Brachyura 7 0 7 Decapoda 3 0 3 Tanaidacea 2 0 2 Echinodermata Ophiuroidea 1 0 1 Enteropneusto Enteropneusto 1 0 1 Mollusca Bivalvia 15 44 59 Gastropoda 3 1 4 Heleobia 1 0 1 Nemertea Nemertea 7 2 9 Total 362 195 557 Table 2.
tenuis appeared to have only simple cilia in the prototrochal ciliary band; among planktotrophic larvae of annelids, simple cilia in the prototroch were previously known only from members of Oweniidae.
The only exceptions we are aware of are some members of Oweniidae and possibly Magelonidae; larvae of these species bear at least some simple cilia arising from monociliated epidermal cells (Emlet and Strathmann, 1994; Bartolomaeus, 1995; Smart and von Dassow, 2009).
Families Dorvilleidae, Polynoidae, Oweniidae, Scalibregmatidae, Sternapsidae and Sigalionidae present in 1995, were not in 1998 survey.
The following families present in 1995 were not found in the 1998 survey: Dorvilleidae, Polynoidae, Oweniidae, Scalibregmatidae, Sternapsidae and Sigalionidae.
1 Scyphoproctus djibouliensis Gravier, 87 1906 Oweniidae Owenta fusifomis Claparede, 1970 75 Pectinariidae Pectinaria laelia Nonato, 1981 Ampharetidae Isolda pulchella Muller, 1858 37 Terebellidae Terebellidae Undetermined 2 Loimia medusa (Savigny, 1818) Pista corrientis McIntosh, 1885 Polycirrus plumosus (Wolleback, 1912) 1 Trichobran- chidae Terebellides anguicomus Muller, 1858 Sabellidae Sabellidae Undetermined 1 Branchiomma nigromaculata (Baird, 1865) 2 Pseudobranchiomma sp.
Scoloplos armiger OWENIIDAE Owenia fusiformis PHYLLODOCIDAE Phyllodoce maculata POLYNOIDAE Eunoe depressa Hesperonoe complanata Lepidonotus squamatus SABELLARIIDAE Idanthyrsus armatus Megalomma splendida SABELLIDAE Eudistylia polymorpha SERPULIDAE Spirorbis bifurcatus SYLLIDAE Haplosyllis spongicola Syllis gracillis Syllis sp.
2002) Echiuridae Feeding: Hatschek (1880); Miner et al (1999) Opheliidae Feeding: Miner et al (1999) Oweniidae Feeding: Emlet & Stralhmann (1994) Polygordiidae * Feeding: Hatschek (1878); Woltereck (1904); Pernet, pers.
Most abundant families were Spionidae, Oweniidae, Cossuridae, and Ampharetidae, which accounted for 64% of the total polychaete fauna.
One of the most unusual forms is the mitraria larva of the family Oweniidae.
A very comprehensive phylogeny of the annelid families Oweniidae, Sabellariidae, Serpulidae, and Sabellidae has been presented by Rouse and Pleijel (2001).
9b, the Chaetopteridae are a sister group to a sabellid clade, and these groups together are a sister group to the Oweniidae.