Miers, 1879
Carapace elongate pentagonal, dorsal surface with several tubercles, a tubercle or a tuft of large setae on supraorbital eave, no preocular tooth, a small tubercle on margin behind orbit, a larger tubercle on margin of hepatic region, dorsally a protogastric tubercle; antero-lateral margins with three spiniform tubercles; rostral lobes usually separated by a small notch. Chelipeds slightly shorter than ambulatory legs, inner spine of carpus about half length of palm and more than two times as long as external. Ambulatory legs slender, all joints of about similar breadth. First pleopod of male short and broad or long and slender. (Türkay 1995)
Type locality: Matoya, Mie Prefecture, Japan.
Range: India - Pamban Passage (Griffin & Tranter, 1986a); Japan - Matoya, Mie Prefecture (Miers, 1895), Kagoshima and Tanagawa (Ortmann, 1893), Shimoda (Sakai, 1935), Tateyama Bay, Shimoda and Nagasaki (Sakai, 1938a), Sagami Bay (Sakai, 1965b), Tokyo Bay, Sagami Bay, Shimoda, Mikawa Isshiki, and Nagasaki (Sakai, 1976a), Amakusa-shoto (Yamaguchi et al., 1976), Shiono-misaki (Takeda, 1979a), Sagami Bay (Griffin & Tranter, 1986a); Gulf of Thailand - Koh Kahdat and Tung Kaben (Griffin & Tranter, 1986a); Singapore (Griffin & Tranter, 1986a); Philippines - Zamboanga (Griffin & Tranter, 1986a); Sulu Archipelago - off North Ubian (Griffin & Tranter, 1986a); Indonesia - Java, Selat Sape, Salibabu Island, Seram, Kepulauan Kai, and Kepulauan Aru (Griffin & Tranter, 1986a); Australia -Thursday Island; 4-100 m.