Takeda & Komai, 1991
Carapace almost smooth, with feeble clumps of granules present on branchial regions; front deflexed, constricted between bases of ocular peduncles, with smooth margins, bilobed distally, median furrow shallow; lateral margins slightly converging, subparallel posteriorly, 3 well defined antero-lateral teeth, external orbital angle projecting beyond following teeth. Ocular peduncles long and narrow, cornea extending beyond tip of external orbital angle by 36% - 55% of peduncle length. Central region of epistome with a pointed protuberance. Merus of third maxilliped smaller than ischium. Palm of male cheliped stout, outer face generally smooth, except for a row of minute granules along inferior margin, inner face with a mat of setae at base of immovable finger; immovable finger not deflexed, cutting edge with a strong, subacute tooth at about half its length; cutting edge of dactylus proximally with a large, quadrangular tooth. Meri of ambulatory legs with granular margins, and finely granular surfaces, a row of hairs along upper margin. (Türkay 1995)
Type locality: Red Sea.
Range: Red Sea (de Man, 1880, Nobili, 1906, Barnes, 1970, Serène, 1981), Djeddah (Tesch, 1915); Perim and Obock (Crosnier, 1965); Somalia - Bender Mtoni (Vannini & Valmori, 1981); Zanzibar (Barnes, 1970); Dar es Salaam (Hartnoll, 1975); Andaman Islands (Alcock, 1900b); Mergui Archipelago (Alcock, 1900b); Sumatra - Padang (Serène, 1973); Cocos Islands (Tweedie, 1950b); Thailand - Phuket (Serène, 1973, Komai et al., 1995); Japan - Okinawa (Stimpson, 1907), Shimoda (Sakai, 1935), Shimoda, Nagasaki and Okinawa (Sakai, 1939), Izu Peninsula, Kii Peninsula, Noto Peninsula, Nagasaki and Okinawa (Sakai, 1976a), Amakusa (Yamaguchi et al., 1976), Kyushu (Yamaguchi et al., 1987), Ishigaki-jima (Takeda & Komai, 1991), Okukubi River, Okinawa (Shokita et al., 1998); Taiwan; China - Hainan Island (Shen, 1936d, 1940b, Dai & Yang, 1991); Singapore (Barnes, 1970); Indonesia - Kepulauan Kai (Tesch, 1918a), Arafura Sea (Barnes, 1970); Torres Straits (Barnes, 1970); Lord Howe Island (Barnes, 1967).