Allobathynella Morimoto and Miura, 1957

Park, Jong-Geun & Cho, Joo-Lae, 2016, Fourteen new species of Allobathynella Morimoto and Miura, 1957 from South Korea: with a redescription of A. coreana Morimoto, 1970 (Crustacea, Bathynellacea, Parabathynellidae), Journal of Species Research 5 (1), pp. 49-156 : 50

Allobathynella Morimoto and Miura, 1957

Revised diagnosis

Parabathynellidae . Body elongated and cylindrical. Antennule 7- (or 6-) segmented. Antenna 7-segmented with the 1 st and 2 nd segments lacking seta. Labrum flat, free margin dentate. Mandible with incisor process of four and more teeth; proximal tooth absent; molar process with eight and more spines; palp with one or two apical seta(e). Maxillule 2-segmented; proximal segment with four setae, distal segment with six and more spines. Thoracopods I-II usually without epipod; thoracopods I-VII with multi-segmented exopod; distal segment with one tiny terminal knob and with outer seta covered by long and strong barbs. Right and left female thoracopods VIII present as a tiny process with distal spines. Male thoracopod VIII, bell-formed, perpendicular to body, epipod flat and round, terminal part barely reaching bottom of exopod; basipod drawn into spur, with a small basipodal seta. Pleopod in form of stalk-like process having two setae. Uropod with eight and more spines of similar size on sympod; endopod with two distal spines and additional spines on inner margin, dorsally with two basal plumose setae and one subterminal plumose seta and with two setae on outer distal margin; exopod with six and more setae including one basi-ventral seta. Pleotelson without setae. Anal operculum slightly convex to protruding. Furcal rami with six and more spines.