Planche 1 Issued from : W. Vervoort in Zool. Verh., Leiden, 1950, 10. [p.32, Fig.15].
Female (from Moluccan Sea): a, posterior part of cephalothorax and urosome (lateral right side); b, rostrum (ventral aspect); c, left P5 (posterior); d, right Mx2; e, posterior part of cephalothorax and urosome (dorsal); f, cephalon (lateral).

Nota: head and 1st thoracic segment imperfectly fused, 4th and 5th imperfectly fused; line of demarcation visible on the sides. No trace of a crest or carina on the dorsal surface of the head. The abdominal segments and furca in the proportional lengths 47:16:19:4:14 = 100. Caudal slope of genital tubercle haired. caudal margins of the first three urosomal segments with a row of leaf like spinules, ventral surface of the 2nd urosomal segment with some scattered hairs. Anal segment completely telescoped into 3rd. A1 (24-segmented) reaches as far as the caudal border of the 2nd urosomal segment. Mx1: 1st inner lobe with 8 + 4 bristles, 2nd inner lobe with 2, 3rd with 4 setae; 2nd basal segment with 5 setae; endopod with 3, 3 and 4 setae.