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e-ased.org, vol. 35, no. 4, pp.195-199, 2019

DOI: https://doi.org/10.5635/ASED.2019.35.4.022

A Newly Recorded Species of the Genus Socarnes (Crustacea, Amphipoda, Lysianassidae) from Korean Waters

Jun-Haeng Heo, Young-Hyo Kim*

Affiliation: Department of Life Sciences, Dankook University, Cheonan 31116, Korea

Abstract: The species Socarnes bidenticulatus japonicus Gurjanova, 1962 belonging to the family Lysianassidae Dana, 1849 has been collected from Namae, on the east coast of Korea. The genus Socarnes Boeck, 1871 has 12 species worldwide. However, only one Socarnes species had been reported in Korea until now: S. tongyeongensis Kim & Hendrycks, 2013. This genus is characterized by a longer article 2 of mandibular palp, unconstructed inner ramus of uropod 2, biarticulated outer ramus of uropod 3, and deeply cleft telson. A newly recorded species S. bidenticulatus japonicus is characterized by a posteriorly bidentated epimeron 3 and constricted inner ramus of uropod 2. The species is described and fully illustrated in this study.

Keyword: Lysianassoidea, Lysianassidae, Socarnes, Korea