Dana, 1852
Rostrum with lateral accessory spines. Sixth segment of abdomen in male hardly wider than long, fifth segment wider than sixth; gonopore of female more or less abruptly narrowed medially, 'keyhole'- shaped. First pleopod of male straight distally, apex truncate with a broad rounded medial subapical lobe, opening subterminal; medial portion of gonopore of female narrower than lateral portion but not a slit. (Griffin & Tranter, 1986a)
Type locality: Sulu Archipelago.
Range: Nicobar Islands (Griffin & Tranter, 1986a); Japan -Amami-shoto, Ishigaki-jima and Taketomi-jima, Okinawa (Sakai, 1976a), Ginowan, Okinawa-jima (Shokita et al., 2000); China - Paracel Islands (Dai et al., 1978, Chen H., 1980b, Dai & Yang, 1991); Philippines - Davao Gulf (Griffin & Tranter, 1986a); Sulu Archipelago - (Dana, 1852), Marongas Island (Griffin, 1976, Griffin & Tranter, 1986a), Tawitawi Group (Griffin, 1976); Indonesia - Buton Strait (Griffin, 1976), between Karong Lintang and Pulu Palabangan Island, Borneo Bank, Pulu Kaniungan Ketjil, Damar Island, Roti Island, Kepulauan Kai, Kepulauan Aru and Biak, Irian Jaya (Griffin & Tranter, 1986a); Papua New Guinea - Samarai (Griffin & Tranter, 1986a); Solomon Islands - Tunabuli Harbour and Malaita (Griffin & Tranter, 1986a); Vanuatu - Erakot Reef (Griffin & Tranter, 1986a); Australia - Torres Strait (Haswell, 1882c), Broome and Cape Leveque, W.A. (Griffin & Tranter, 1986a), Darwin, N.T. (Griffin & Tranter, 1986a), Murray Island, Green Island and Hope Island, Queensland (Griffin & Tranter, 1986a), Moreton Bay; shallow waters.