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Zookeys. 2019 Jan 8;(814):33-51. doi: 10.3897/zookeys.814.29126. eCollection 2019.

New species of Caromiobenella Jeon, Lee & Soh, 2018 (Crustacea, Copepoda, Monstrilloida) from Chuja Island, Korea.

Author information

1
Department of Life Science, College of Natural Sciences, Hanyang University, Seoul, South Korea Hanyang University Seoul Korea, South.
2
Faculty of Marine Technology, College of Fisheries and Ocean Science, Chonnam National University, Yeosu, Jeollanam-do, South Korea Chonnam National University Yeosu Korea, South.

Abstract

Male monstrilloid copepods belonging to the genus Caromiobenella Jeon, Lee & Soh, 2018 were collected from Chuja Island, Jeju, Korea, using a light trap. This paper describes a new species, Caromiobenellaohtsukai sp. n., based on the display of reduced, knob-like fifth legs on the ventral side of the first urosomal somite. A unique combination of male genitalia features and number of caudal setae further confirms its specificity. Molecular analysis based on two partial gene sequences of mitochondrial cytochrome c oxidase subunit I (mtCOI) and 28S ribosomal RNA (28S rRNA) also supports the designation of this species by showing a relevant divergence from known congeners. Caromiobenellaohtsukai sp. n. is the ninth member of this genus and also the ninth monstrilloid reported from Korea.

KEYWORDS:

Caromiobenellaohtsukai sp. n.; molecular phylogeny; planktonic copepod; taxonomy

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