Planche 1 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1984, 24 (4/6). [p.360, Fig.1]. Female (from Tanabe Bay, Honshu): 1, habitus (dorsal); 2, idem (lateral left side); 3, forehead (ventral); 4, urosome (dorsal). Nota: Head and 1st pediger separate, 4th and 5th fused. Rostrum strongly develoed, with a pair of long filaments distally and 2 minute hairs proximally. Surface of prosome bearing branching and non-branching hairs. Urosome 4-segmented. Anal segment short with a well-developed operculum. Caudal rami symmetrical (about 1.6 times as long as wide). Right A1 18-segmented. Left A1 16-segmented, much longer than right A1.
Planche 2 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1984, 24 (4/6). [p.361, Fig.2]. Female: 1, left A1; 2, right A1; 3, A2; 4, Md (mandibular blade ); 5, Md (mandibular palp); 6, Mx2; 7, Mxp; 8, P1 (anterior); 9, endopodite of P1 (anterior, all setae omitted); 10, P2 (anterior); 11, P3 (anterior); 12, P4 (posterior); 13, right P5 (terminal segment); 14, left P5 (posterior; terminal segment and basal ones). Nota: Md with heavily chitinized masticatory blade, armed with 4 teeth and 4 minute spinules at the base of the 1st tooth; basipodite of plalpus with 1 inner seta; endopodite wanting; exopodite 3-segmented, bearing 1 seta on segment 1, 1 seta on segment 2, and 2 lateral setae and 1 distal seta on segment 3. Mx2 with 6 inner lobes (endites), 1st with 1 long seta and 2 minute ones, 2nd and 3rd with 2 setae, 4th with 2 spinulose setae, 5th dilated in the middle and having short strong spine with minute spinules along ventral edge of its basal half, 6th bearing a naked seta; endopodite 3-segmented, 1st with 2 serrated setae and 1 serrate strong spine, 2nd with 2 serrated spines, 3rd with 2 serrated spines.
Planche 3 issued from : S. Ohtsuka in Publ. Seto Mar. Biol. Lab., 1984, 24 (4/6). [p.364, Fig.3]. Male: 1, habitus (dorsal); 2, urosome (dorsal; caudal rami omitted); 3, left A1; 4, Mx1; 5, P5 (posterior). Nota: Urosome 5-segmented. Left A1 16-segmented; right A1 18-segmented, shorter than left.
Planche 4 Issued from : M. Chihara & M. Murano in An Illustrated Guide to Marine Plankton in Japan, 1997. [p.724, Pl. 53, fig.56 a-e]. After Ohtsuka, 1984. Female: a, urosome; b, P5; d, habitus (dorsal).
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