Ortmann, 1893
Carapace surface with a great number of densely set acuminate spinules and some clearly broader and longer spines; rostral spines long and proximally carrying spinules on all faces except the mesial one; interantennular spine only bifid at tip; antero-external corner of buccal cavern serrate, without a prominent spine. Eyestalks slender and with a few spinules. Basal antennal article armed with one distal spine and a row of spines along latero-ventral face. Chelipeds enlarged, length of palm equal to the postrostral carapace length, strongly spinous, fingers long and slender. Ambulatory legs densely beset with long spines with. (Türkay 1995)
Type locality: Sagami Bay, Japan.
Range: mouth of Gulf of Aden (Griffin, 1974); Gulf of Oman (Griffin, 1974); Japan - Sagami Bay (Ortmann, 1893), Inubo-zaki, Sagami Bay, Muroto-misaki, Bungo Strait, and Koshiki-jima (Yokoya, 1933), Hayama, Misaki, Tatsugahama, coast of Wakayama, Miyazaki and Nagasaki (Sakai, 1938a), Sagami Bay and Tosa Bay (Sakai, 1965b), Sagami Bay, off Mikawa Bay, Kii Nagashima, Kii Minabe, Tosa Bay, and Nagasaki (Sakai, 1976a), Ashizuri-misaki (Miyake, 1983), off Honshu, Tosa Bay (Guinot & Richer de Forges, 1986a), Sagami Bay and Nagasaki (Griffin & Tranter, 1986a, Davie & Short, 1989); China -Guangdong (Dai & Yang, 1991); East China Sea (Takeda & Miyake, 1969e, Griffin & Tranter, 1986a, Davie & Short, 1989); South China Sea (Serène & Lohavanijaya, 1973); Philippines - between Balayan Bay and Verde Island Passage, east coast of Luzon, west Bohol, between Cebu and Bohol, between Samar and Masbate, and north Mindanao (Griffin, 1976), south of Manila Bay and north-east of Lubang Island (Serène & Vadon, 1981), north of Lubang, Balayan Bay and Verde Island Passage (Guinot & Richer de Forges, 1986a); Indonesia - Makassar Strait (Guinot & Richer de Forges, 1986a), Bali Sea, between Timor and Roti, Kepulauan Tanimbar and Kai (Griffin & Tranter, 1986a), Bali Sea (Davie & Short, 1989); Australia - south-east Queensland (Davie & Short, 1989); 50-720m.