Plate 1 issued from : C.B. Wilson in Bull. U.S. natn Mus., 100, 14 (4), 1950. [Pl.34, Fig.512].
Female (from Philippines: 512, habitus (dorsal).
Nota: Head and 1st thoracic segment fused, 4th and 5th fused prolonged backward at the posterior corners nearly to the distal end of he genital segment. urosome 4-segmented. Caudal rami as long as the anal segment, one-half longer than wide and divergent. A1 reacing the caudal rami. Exopod of A2 sligtly longer than the endopod

Plate 2 issued from : C.B. Wilson in Bull. U.S. natn Mus., 100, 14 (4), 1950. [Pl.34, Figs.513, 514].
Female: 513, forehead (lateral); 514, P5.
Nota: Head with a very pronounced triangular crest. P5 very unusual.