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Revisited Syllidae of the English Channel coarse sediment communities
Published online by Cambridge University Press: 10 August 2017
Abstract
Among the polychaetes, the Syllidae comprise numerous species whose study over many years has benefitted from valuable revisions and descriptions of new species in Europe. This abundant literature proves very useful for revisiting the taxonomy and distribution of the Syllidae in the English Channel (EC), mainly as regards existing studies on coarse sediment communities in the eastern part of the Channel. This habitat is one of the most widespread in the EC and is known as favourable for the small polychaete fauna including Syllidae. A 2-year survey (winter and summer sampling periods) covering 19 stations, associated with the Branchiostoma lanceolatum coarse sand community offshore Dieppe-Le Tréport, led to the identification of 6537 individuals from 29 taxa including 27 species. Six fine sand stations were also sampled in which only 12 individuals were collected. Among these species, seven are new for the EC polychaete fauna and six others are observed for the first time in the eastern part of the EC. All the new species for the EC are warm temperate species previously only known south of the Bay of Biscay. The Syllidae list given in Dauvin et al. (2003) has been re-analysed and amended with our list and that of the Chausey Archipelago study (Olivier et al., 2012). To date, 91 Syllidae species have been recorded in the EC and are established mostly in coarse sediments.
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- Copyright © Marine Biological Association of the United Kingdom 2017
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