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A new branchiate hesionid polychaete (Annelida, Hesionidae) from New Caledonia

Journal article
Authors C. Ruta
Fredrik Pleijel
Published in Zoosystema
Volume 28
Issue 3
Pages 655-667
ISSN 1280-9551
Publication year 2006
Published at Department of Marine Ecology
Pages 655-667
Language en
Links <Go to ISI>://000241657500005
Keywords Annelida, Polychaeta, Hesionidae, Hesiobranchia n. gen, Hesiobranchia, lifouensis n. sp, new genus, new species, PHYLOGENY, REVISION
Subject categories Ecology

Abstract

We describe Hesiobranchia lifouensis n. gen., n. sp. from coral reefs at Lifou, Loyalty Islands, New Caledonia in the south-west Pacific. It is distinguished from all other hesionids by the presence of two elongated lateral projections on the proboscis, by having both noto- and neurochaetae starting on segment 5, by the presence of parapodial branchiae, and by a unique pigmentation pattern. A morphology-based parsimony analysis of the phylogeny of hesionids indicates that H. lifouensis n. gen., n. sp. belongs within Gyptini and is the sister group of Gyptis Marion & Bobretzky in Marion, 1874.

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