(Alcock, 1899)
Spines on surface of carapace and limbs rather short and numerous, supraorbital borders tumid. Chelipeds equal, a little longer and stouter than the first three pairs of legs, and not much longer than carapace. No smooth tubercles on fifth abdominal segment. Telson terminally rounded. (Türkay 1995)
Type locality: Andaman Sea, 13°16'N, 93°8'E, "Investigator", 135 m.
Range: Andaman Sea (Alcock, 1899c, 1900a, 1901); Japan - Tosa Bay (Sakai, 1976a), Wakayama (McLay, 1999).