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

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...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom
Main Authors: Lavesque, Nicolas, Bonifacio, Paulo, Londono-mesa, Mario H., Le Garrec, Vincent, Grall, Jacques
Format: Article in Journal/Newspaper
Language:English
Published: Cambridge Univ Press 2017
Subjects:
Terebellinae
morphology
molecular
taxonomy
DNA COI 16S
North-east Atlantic
France
North East Atlantic
Online Access:https://archimer.ifremer.fr/doc/00431/54224/55764.pdf
https://doi.org/10.1017/S0025315417000571
https://archimer.ifremer.fr/doc/00431/54224/
Description
Summary: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.

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