Arisubathynella, Park & Eun, 2012

Park, Jong-Geun & Eun, Ye, 2012, A new species and a new genus of Parabathynellidae (Crustacea, Syncarida) from South Korea, Zootaxa 3368 (1), pp. 291-299 : 292

Arisubathynella gen. nov.

Diagnosis. Small size. Body elongated and cylindrical. Antennule six-segmented. Antenna three-segmented without medial seta on inner margin of third segment. Mandible: incisor process with three teeth, tooth of the ventral edge absent, lobe with row of five stout spines. Maxilla four-segmented. Exopod of thoracopod I onesegmented with two terminal setae and one ventral seta, exopods of thoracopods II–VII two-segmented. Male thoracopod VIII: protopod massive, with protruding penial region; external lobe present in form of elongated process exceeding penial region; basipod approximately half the size of the protopod with a basipodal seta; endopod small with two apical setae; exopod two-lobed: upper lobe round and smooth, lower lobe with distal teeth. Female thoracopod VIII tooth-like. Pleopod in form of seta. Uropod: sympod with inhomonomous spines, of which the most distal one is larger than the others; endopod drawn out into a dagger-like structure, with three distal setae; exopod with basi-ventral seta. Pleotelson with setae. Anal operculum flat to slightly convex. Furcal rami with more than three spines.

Etymology. The generic epithet is derived from the old name of the Han River, Arisu, running through the central region of Korea.