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Loimia ramzega sp. nov., a new giant species of Terebellidae (Polychaeta) from French waters (Brittany, English Channel)

Published online by Cambridge University Press:  10 August 2017

Nicolas Lavesque*
Affiliation:
University Bordeaux, EPOC, UMR 5805, Station Marine d'Arcachon, 2 Rue du Professeur Jolyet, 33120 Arcachon, France CNRS, EPOC, UMR 5805, Station Marine d'Arcachon, 2 Rue du Professeur Jolyet, 33120 Arcachon, France
Paulo Bonifácio
Affiliation:
Laboratoire Environnement Profond, IFREMER, Institut Carnot, EDROME, Centre Bretagne, REM EEP, ZI de la Pointe du Diable, CS 10070, F-29280 Plouzané, France
Mario H. Londoño-Mesa
Affiliation:
Facultad de Ciencias Exactas y Naturales, Grupo LimnoBasE y Biotamar, Instituto de Biología, Universidad de Antioquia, Calle 70 #52-21, Medellín (Antioquia), Colombia
Vincent Le Garrec
Affiliation:
Université de Brest, CNRS, UMS 3113, Observatoire, Séries Faune-Flore, OSU-IUEM, Rue Dumont d'Urville, 29280 Plouzané, France.
Jacques Grall
Affiliation:
Université de Brest, CNRS, UMS 3113, Observatoire, Séries Faune-Flore, OSU-IUEM, Rue Dumont d'Urville, 29280 Plouzané, France.
*
Correspondence should be addressed to: N. Lavesque, University Bordeaux, CNRS, EPOC, UMR 5805, Station Marine d'Arcachon, 2 Rue du Professeur Jolyet, 33120 Arcachon, France email: n.lavesque@epoc.u-bordeaux1.fr

Abstract

A new species of Terebellidae, Loimia ramzega sp. nov., has been identified from North Brittany beaches (English Channel). This new species is characterized by its gigantic size (max 650 mm, live), two pairs of lateral lappets on segments 1 and 3; first pair more ventral, second pair more developed and lateral but oblique, with wavy edge. Nine ventral pads from segment 2 (fused on segments 2 and 3), first three pads swollen, next ones subsequently decreasing in size. Three types of notochaetae, asymmetrically bilimbate, symmetrically bilimbate and capillary. Uncini pectinate with 6 teeth (some with 5 teeth) slightly decreasing in size, in one vertical row. Pygidium with about 14 long conical marginal papillae surrounding anus.

Type
Research Article
Copyright
Copyright © Marine Biological Association of the United Kingdom 2017 

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Footnotes

Zoobank identifier: LSID urn:lsid:zoobank.org:pub:C59AB8FD-EEAD-452D-BA18-CA738E2F55AF

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