Issued from : P.P. Pillai in
Bull. Dept. Mar. Sci. Univ. Cochin, 1975, VII (2). [p.322, Fig. 1].
Female (from Cochin Backwater): a, habitus (dorsal); b, urosome (ventral view); c, urosome (right lateral view); d, urosome (laft lateral view); e, cephalon (lateral view); f, A2; g, Md; h, A1 (segments 1-6); j, P5.
Scales: Single bar: 0.3 mm; double bars: 0.5 mm.
Nota : Cephalon and 1st pedigerous segment fused, 4th and 5th thoracic segments indistinctly fused (line of separation feebly visible laterally).
Cephalon with an eye spot pigmentrd red.
Distinct mid-dorsal hump present at junction of cephalon and 1st thoracic segment.
Posterior margin of thoracic segment 5 produced on either side into distinctly rounded processes, tip reaching to ¼ length of genital segment.
Prosome : Urosome = 1.95 : 1.
Urosome 3-segmented, proportional lengths with caudal rami 34 : 28 : 16 : 22 = 100.
Genital segment longest with irregular lateral margins ; ventral plate of genital segment extensive an dits lateral margins visible in dorsal view ; ventrally genital segment situated on a genital boss, which is laterally and posteriorly protected by a curved plate ; left margin of ventral plate with 3 spines and right margin with 4 spines directed posteriad ; in lateral view, median spines on posterior margin of ventral plate appears as prominent structure directed posteriad.
Urosomal segment 2 longer than broad.
Anal segment as long as broad.
Caudal rami nearly 3 times as long as broad but asymmetrical, left ramus being slightly broader ; on outer margin proximal to the point of origin of 5th apical seta each ramus is armed with a row of 3 to 4 needle-like spines.
A1 23-segmented, reaching to middle of urosomal segment 2 ; segments 8 and 9 fused, a distinct spine arising from disto-dorsal margin of 1st segment.
Exopod of A2 distinctly 7-segmented with the setal formula 1 : 3 : 1 : 1 : 1 : 1 : 0 : 3 : 0.
Md with apical and subapical teeth well developed and acute, 4 median teeth bluntly pointed and basal tooth enlarged and with few needle-shaped spinules ventrally.