(Miers, 1882)
Supraorbital eave with an upright preorbital spine, usually long; basal antennal article narrow, anterior margin with a spine or a blunt tooth only at antero-lateral angle; carapace with long spines; cardiac region with a single medial spine; antorbital lobe of eave directed laterally; hepatic margin with one long spine; lateral margin of basal antennal article with a short proximal spine or lobe directed laterally. (Davie 1996)
Type locality: Mauritius.
Range: Gulf of Aden (Griffin, 1974); east of Mombasa (Griffin, 1974); Madagascar - south coast (Guinot & Richer de Forges, 1986a); Mauritius (Miers, 1882a, Michel, 1964, Griffin & Tranter, 1986a); Gulf of Oman (Griffin, 1974); Chagos Archipelago - Salomon Bank (Rathbun, 1911); Japan - Kagoshima (Ortmann, 1893), Gobo, Wakayama and Nagasaki (Sakai, 1938a), Sagami Bay, Kii Minabe and Tosa Bay (Sakai, 1965b), Tsushima Strait (Takeda, 1973c), Sagami Bay, Wagu, Kii Nagashima, Kii Minabe and Nagasaki (Sakai, 1976a), Torishima and Ogasawara-shoto (Takeda & Kurata, 1976b), Kushimoto (Miyake, 1983); South China Sea (Serène & Lohavanijaya, 1973); Philippines - north of Lubang (Serène & Vadon, 1981, Guinot & Richer de Forges, 1986a); Sulu Archipelago (Griffin & Tranter, 1986a); Australia - (Whitelegge, 1900); Norfolk Islands (Buitendijk, 1950); 100-260 m.