Platysympus muranoi Gamô, 1980

Platysympus muranoi Gamô, 1980: 1–6, figs 1–2.

Type material. Holotype: NSMT, subadult female. Bôsô Peninsula, Japan, 34°57.5’N, 140°7’E. Not seen. Diagnosis. Carapace with branchial swellings, without ridges, in lateral view with posterior dorsal hump. Telson 2.0 pleonite 6, 0.9 uropod peduncles, without lateral setae. Adult male unknown. Depth. 260– 335 m. Distribution. Bôsô Peninsula, Japan, 34°57’5”N, 140°7’E. Remarks. The most similar species is Platysympus japonicus, also known from Japanese waters. However, in P. japonicus the telson less than 0.5 the length of the uropod peduncles, while in P. muranoi the telson is subequal to the uropod peduncles.