Planche 1 issued from : M.W. Johnson in Bull. Scripps. Instn. Oceanogr., tech. Ser., 1936, 4 (2). [p.67, Fig.A, 1-3]. Female (from 49°20'N, 174°31'W): 1-2, habitus (lateral and dorsal, respectively). Nota: The surface of the body and appendages covered with short spinules. Rostrum with 2 heavy, widely separated, and diverging prongs, not visible dorsally, Labrum very large and armed with a posterior tuft of short rigid spinules; Urosome very short, about 1/4 and 1/5 the length of prosome; Genital segment about as long as the 2 abdominal segments combined; Caudal rami about equal in length to the anal segment, A1 24-segmented, extending to about the middle of the 3rd thoracic segment;
Male: forehead (lateral). Nota: Body covered with short spinules as in female; Urosome 5-segmented. A1 reaching nearly to end of 5th thoracic segment. Left A1 geniculated near the end.
Planche 2 issued from : M.W. Johnson in Bull. Scripps. Instn. Oceanogr., tech. Ser., 1936, 4 (2). [p.69, Fig.C]. Female: 1, A2; 2, Md; 3, right Mxp; 4, Mx1; 5, P1; 6, P5. Nota: Exopod of A2 with 7 segments which do not reach to the distal ebnd of the endopod.
Male: P5. Nota: Mouthparts as in female. P1 as in female but with an indistinct line suggesting an imperfect division of the 2nd endopod segment; P5 asymmetrical.
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