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Marine Biodiversity

, Volume 46, Issue 1, pp 211–225 | Cite as

A new species of Terebellides (Polychaeta: Trichobranchidae) from Scottish waters with an insight into branchial morphology

  • J. Parapar
  • J. Moreira
  • M. O’Reilly
Original Paper

Abstract

Based on specimens collected during several sampling programmes mainly in the northern North Sea, Scotland, a new species of the genus Terebellides (Polychaeta; Trichobranchidae) was found and described herein as Terebellides shetlandica spec. nov. The new species is primarily characterised by the presence of a long pointed posterior filament in the ventral branchial lobes. The species is compared with other Terebellides species described or reported from North Atlantic waters, and an updated key to the Terebellides species of the North East Atlantic and Mediterranean Sea is provided. The presence of copepods of the genus Melinnacheres attached to the thorax of this species is reported. Morphology of T. shetlandica spec. nov. was also studied with SEM and micro-CT. Branchial characters used in the taxonomy of the genus are reviewed and four general branchial types are defined.

Keywords

NE Atlantic Ocean Terebellides shetlandica spec. nov Parasitic copepod Morphology Branchiae Micro-CT 

Notes

Acknowledgments

We are indebted to marine ecologists who have recovered the material of T. shetlandica spec. nov. during the processing of benthic macrofaunal samples. These include Sue Hamilton (Edinburgh), Peter Garwood (Identichaet, Newcastle-upon-Tyne), David Hall (Unicomarine Ltd., Letchworth, Hertfordshire), and Steve Jarvis (Marine Invertebrate Ecological Services, Harpenden, Hertfordshire). The authors also wish to deeply thank Susan Chambers (NMS.Z) for the loan of the specimens of the new Terebellides species. Special thanks are also due to Ada Castro (SAI, UDC) for assisting with the preparation of the specimens and use of the SEM, Vituco Urgorri and María Candás (Marine Station of A Graña-Ferrol, University of Santiago de Compostela, Spain) for the micro-CT analysis, Javier Veloso (University of A Coruña, Spain) for the stereomicroscope pictures and Yolanda Lucas for the line drawings. Comments of two anonymous reviewers are also acknowledged.

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Copyright information

© Senckenberg Gesellschaft für Naturforschung and Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Departamento de Bioloxía Animal, Bioloxía Vexetal e EcoloxíaUniversidade da CoruñaA CoruñaSpain
  2. 2.Departamento de Biología (Zoología), Facultad de CienciasUniversidad Autónoma de MadridMadridSpain
  3. 3.Scottish Environment Protection AgencyNorth LanarkshireUK

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