Stimpson, 1858
Carapace surface granulate and areolate; antero-lateral borders armed with three small teeth; front tridentate, median tooth inferior and very small, lateral ones more prominent; supraorbital tooth small. Chelipeds granulated and crested, crest of carpus spinulose, a tubercle at the summit of the carpus and one on the palm. All following pereiopods granulated except posterior pair, which is smooth. (Türkay 1995)
Type locality: Kagoshima Bay, Japan.
Range: Sri Lanka (Alcock, 1900a, 1901); Andaman Islands (Alcock, 1900a, 1901); Japan - Kagoshima Bay (Stimpson, 1858d, 1907), Amakusa, Tsuyazaki and Tottori (Miyake et al., 1962), Tateyama Bay, Sagami Bay, Kagoshima and Amakusa (Sakai, 1936), Sagami Bay (Sakai, 1965b), off Tsushima (Takeda, 1973c), from Tokyo Bay to coast of Kyushu (Sakai, 1976a), Kumano-nada (Miyake, 1983); Korea - Cheju-do (Kim, 1973); Taiwan; China - Guangxi and Guangdong (Dai & Yang, 1991); Macclesfield Bank (McLay, 1998); Nansha Islands (Yang S. & Dai, 1994); Holothuria Bank (McLay, 1998); 30-80 m.