Sakai, 1979
Carapace longitudinally quadrilateral, appearing longer than broad; rostrum simple, tip very slightly bifid; shoulder spine short, directed obliquely forwards. Chelipeds slender, merus with a series of spinules on its upper border, carpus, propodus, and dactylus unarmed. Second to fourth pereiopods not extremely slender, meri with sharp long spines at their anterior margins, posterior margins with much shorter spinules. (Türkay 1995)
Type locality: Hamajima, Mie Prefecture, Japan.
Range: Japan - Hamajima, Mie Prefecture (Sakai, 1979), Jogashima and off Nagai, Sagami Bay (Sakai, 1979), Sagami Bay (Guinot & Richer de Forges, 1981b); New Caledonia (Guinot & Richer de Forges, 1995); Loyalty Islands (Guinot & Richer de Forges, 1981b, 1995); 230-1000 m.