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e-ased.org, vol. 35, no. 3, pp.123-135, 2019

DOI: https://doi.org/10.5635/ASED.2019.35.3.019

Two Newly Recorded Species of the Genus Elaphognathia (Crustacea, Isopoda, Gnathiidae) from Korean Waters

Sung Hoon Kim1, Seong Myeong Yoon2,*

Affiliation: 1Department of Life Sciences, College of Natural Sciences, Chosun University, Gwangju 61452, Korea 2Department of Biology, College of Natural Sciences, Chosun University, Gwangju 61452, Korea

Abstract: Elaphognathia monodi (Gurjanova, 1936) and Elaphognathia kikuchii Nunomura, 1992 are newly reported based on the materials collected from Wando Island and Jeju Island in Korea, respectively. Elaphognathia monodi is distinguished by the following characteristics: the lateral margin of the cephalon is narrowing posteriorly; the frontal border is slightly concave and has a small mediofrontal process, a pair of superior frontolateral processes, and a pair of inferior frontolateral processes. Elaphognathia kikuchii can be distinguished by the following characteristic features: the lateral margin of the cephalon is narrowing anteriorly; the frontal border has a small mediofrontal process and twelve pairs of simple setae along with concavity.

Keyword: Elaphognathia, Gnathiidae, isopods, morphology, taxonomy, Korea