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e-ased.org, vol. 34, no. 2, pp.119-125, 2018

DOI: https://doi.org/10.5635/ASED.2018.34.2.009

A New Record of the Genus Anonyx (Crustacea: Amphipoda: Uristidae) from Korean Waters

Jun-Haeng Heo, Young-Hyo Kim*

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

Abstract: A newly recorded species of lysianassid amphipod, Anonyx schefferi Steele, 1986 which belongs to the family Uristidae Hurley, 1963 was collected from the East Sea of Korea. The genus Anonyx Krøyer, 1838 was subdivided into five groups mainly based on the amount of constriction of the inner ramus of uropod 2: A. bispinosus group, A. compactus group, A. laticoxae group, A. nugax group, A. validus group. Anonyx schefferi is included in one of the A. laticoxae group. This species is similar to Anonyx laticoxae Gurjanova, 1962, but A. schefferi is characterized by an unconstricted inner ramus of uropod 2 and an upturned epimeron 3 posteroventrally. The species is described and fully illustrated in the present study.

Keyword: Amphipoda, Lysianassoidea, Uristidae, Anonyx, Korea