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Description of a new species of Pericelis (Polycladida, Diposthidae) from sunken wood in the bathyal zone in Japan

Published online by Cambridge University Press:  23 February 2024

Yuki Oya Open the ORCID record for Yuki Oya [Opens in a new window] ,
Takeya Moritaki Open the ORCID record for Takeya Moritaki [Opens in a new window]  and
Aoi Tsuyuki Open the ORCID record for Aoi Tsuyuki [Opens in a new window]
Yuki Oya*
Affiliation:
College of Arts and Sciences, J. F. Oberlin University, Machida, Tokyo, Japan
Takeya Moritaki
Affiliation:
Toba Aquarium, Toba, Mie, Japan
Aoi Tsuyuki
Affiliation:
Department of Biological Sciences, Faculty of Science, Hokkaido University, Sapporo, Japan Creative Research Institution, Hokkaido University, Sapporo, Japan
*
Corresponding author: Yuki Oya; Email: yukioya5223@gmail.com
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Abstract

We describe Pericelis nivea sp. nov. from sunken wood collected 330 m deep, off the coast of Owase, Japan. This is the first record of Pericelis from the bathyal zone. Unlike other congeners, P. nivea sp. nov. is characterized by the absence of eyespots. We provide a partial sequence of the mitochondrial cytochrome c oxidase subunit I gene as a DNA barcode for the new species. Phylogenetic analyses based on concatenated sequences of nuclear 18S and 28S ribosomal DNA showed that P. nivea sp. nov. was nested in the clade of Pericelis with high support; however, the relationship between P. nivea sp. nov. and other Pericelis species was unclear.

Keywords

cotyleaplatyhelminthespredatorturbellarianwood falls
Type
Marine Record
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 104 , 2024 , e12
Copyright
Copyright © The Author(s), 2024. Published by Cambridge University Press on behalf of Marine Biological Association of the United Kingdom

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