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A new genus and four new species of Cylindropsyllidae Sars, 1909 (Copepoda: Harpacticoida) from the Great Meteor Seamount plateau (North-East Atlantic Ocean), with remarks on the phylogeny and the geographical distribution of the taxon

  • Karin RichterEmail author
Original Paper

Abstract

The Great Meteor Seamount plateau comprises three regions (north, middle, south), and sampling across the whole area, six species of Cylindropsyllidae Sars, 1909 were discovered. These species were homogenously distributed, indicating that the community of Cylindropsyllidae on the plateau was not zonated according to geographical features, but might be influenced by the presence of microhabitats. The new genus Monsmeteoris gen. nov. is characterized by the presence of two segments distally inserted to the swollen segment with aesthetasc on the male antennule, five elements on the antennal enp2, and completely reduced P4 endopod. Two new species, M. wiesheuorum sp. nov. and M. reductus sp. nov. are hereby described. Additionally, two closely related species belonging to Cylindropsyllus Brady, 1880 are described: C. valentini sp. nov. and C. flexibilis sp. nov., having at most two distal setae on the mandibular endopod, the inner seta of P4 enp2 lost, strongly pronounced styliform proximal part of seta V on the caudal rami, and an apical process on the female P3 enp2.

Keywords

Biogeography Cylindropsyllus Meiofauna Monsmeteoris Seamounts Systematics 

Notes

Acknowledgments

The author is grateful to Dr. Kai Horst George (Senckenberg am Meer, DZMB, Wilhelmshaven) for the helpful discussions and comments on the manuscript. Additionally, the author acknowledges and thanks the support in centrifuging and sorting samples from the technical staff of the DZMB, Marco Bruhn, Annika Hellmann, Stefan Gogulla and Rebekka Schüller. The author is also grateful for the correction of the English text by Dr. Natalie Barnes (Hampshire, UK). Additionally, she thanks the three anonymous reviewers for their constructive remarks on the manuscript.

Funding

This research was funded by the Deutsche Forschungsgemeinschaft (DFG-GZ: GE 1086/15-1).

Compliance with ethical standards

Conflict of interest

The author declares that she has no conflict of interest.

Ethical approval

All applicable international, national and institutional guidelines for the care and use of animals were followed by the author.

Sampling and field studies

All necessary permits for sampling and observational field studies have been obtained by the author from the competent authorities and are mentioned in the acknowledgements, if applicable.

Data availability

All data generated or analyzed during this study are included in this published article.

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Copyright information

© Senckenberg Gesellschaft für Naturforschung 2019

Authors and Affiliations

  1. 1.Senckenberg am MeerAbt. Deutsches Zentrum für Marine Biodiversitätsforschung DZMBWilhelmshavenGermany

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