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A new species of Polygordius (Polychaeta: Polygordiidae): from the inner continental shelf and in bays and harbours of the north-eastern United States Ramey, P.A.; Fiege, D.; Leander, B.S. (2006). A new species of Polygordius (Polychaeta: Polygordiidae): from the inner continental shelf and in bays and harbours of the north-eastern United States. J. Mar. Biol. Ass. U.K. 86(5): 1025-1034. https://dx.doi.org/10.1017/S0025315406014007 In: Journal of the Marine Biological Association of the United Kingdom. Cambridge University Press/Marine Biological Association of the United Kingdom: Cambridge. ISSN 0025-3154; e-ISSN 1469-7769

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Beschikbaar in	Auteurs
VLIZ: Non-open access 353491 [ aanvragen ]

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Trefwoorden

ANW, USA, Connecticut ANW, USA, Massachusetts ANW, USA, New Jersey ANW, USA, New York ANW, USA, Rhode Island Biology > Organism morphology > Animal morphology Classification > Taxonomy Distribution > Geographical distribution Habitat Reproduction Taxa > Species > New taxa > New species Polygordius Schneider, 1868 [WoRMS]; Polygordius jouinae Ramey, Fiege & Leander, 2006 [WoRMS] Connecticut [Marine Regions]; Dreischor [Marine Regions]; Massachusetts [Marine Regions]; New Jersey [Marine Regions]; New York [Marine Regions] Marien/Kust

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Auteurs		Top
Ramey, P.A. Fiege, D. Leander, B.S.

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Abstract

A new species of Polygordiidae, Polygordius jouinae sp. nov., along with its distribution, habitat, and reproduction is described. Polygordius jouinae sp. nov., the first North American Polygordius, is a dominant member of macrofaunal communities on the inner continental shelf, and in bays and harbours from Massachusetts to southern New Jersey. It is distinguished from most other Polygordius species by its non-inflated, heavily ciliated pygidium, absence of pygidial glands, and a conical (rather than rounded) prostomium. The 18S SSU rDNA from P. jouinae sp. nov was sequenced and represents the first named Polygordius species with a DNA reference in GenBank. Spearman rank correlation of sediment grain size with density of P. jouinae sp. nov. at a New Jersey site showed that density was significantly (P<0.05; N=92) positively correlated with the proportion of medium to very coarse sand and negatively correlated with the fine sand fractions. Ecologically, P. jouinae sp. nov. is an important macrofaunal species given its widespread distribution and its fidelity for coarse sand habitats. Thus, its relative abundance may be useful as an indicator of changing sedimentary conditions.

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