%0 Journal Article %T Poliquetos bent¨®nicos submareales de fondos blandos de la regi¨®n de Ays¨¦n, Chile: Clados Amphinomida, Eunicida, Spionida, Sabellida y Scolecida (Annelida, Polychaeta) %A Rozbaczylo %A Nicol¨¢s %A Moreno %A Rodrigo A. %A D¨ªaz-D¨ªaz %A Oscar %J Investigaciones marinas %D 2006 %I Scientific Electronic Library Online %R 10.4067/S0717-71782006000100004 %X we present results from a taxonomic study of subtidal benthic polychaetes belonging to the amphinomida, eunicida, spionida, sabellida and scolecida clades, obtained during the cimar-7 and cimar-8 fjords research cruises. we include morphological observations and illustrations, synonymy and the geographical distribution for each species. samples were obtained in the ays¨¦n region (43o45£¿s-46o28£¿s), on the southeastern pacific coast of chile, from silt-clay bottoms using an agassiz trawl between 20 and 444 m depth. during the two cruises we collected 79 specimens from the eunicida clade (corresponding to six species, grouped into six genera and five families); two specimens of the species pareurythoe chilensis (kinberg) and chaetopterus cf. variopedatus (renier) from the amphinomida and spionida clades, respectively; 13 specimens from the sabellida clade (four species, grouped into four genera and three families); and 187 specimens from the scolecida clade (three species grouped into two genera and one family). we collected a total of three species of maldanidae (20% of the total sampled abundance), two species of lumbrineridae and serpulidae (13.3%), and one species each of amphinomidae, dorvilleidae, eunicidae, oenidae, onuphidae, chaetopteridae, sabellariidae and sabellidae (6.7%), respectively. during the cimar-7 cruise we collected a total of 178 polychaete specimens, noteably maldane sarsi antarctica arwidsson which represented 73% of total abundance. during the cimar-8 cruise we collected 105 polychaetes; maldane chilensis hartmann-schr£¿der represented 50.5% of total sampled species abundance. our findings increase the total number of benthic polychaete species currently recorded for the ays¨¦n region to 91 species %K polychaeta %K cold temperate waters %K province %K southeastern pacific. %U http://www.scielo.cl/scielo.php?script=sci_abstract&pid=S0717-71782006000100004&lng=en&nrm=iso&tlng=en