(White, 1848)
Regions of carapace well defined, 2M divided into two longitudinally, areoles prominently granular, granules acuminate, apically cornute on 1L-5L, set with short, coarse, dark setae. Transverse row of adjoining pearliform granules medially on 1P; two parallel transverse rows of adjoining granules on 2P, anterior row medially disjunct. Submedian frontal lobes arched, prominently denticulate, separated by deep 'U'-shaped indentation, lateral lobes triangular, denticulate. Antero-lateral margin quadridentate, teeth multispinose, apically cornute, terminal spine accompanied by ancillary spines. Anterior margin of cheliped merus prominently spinose. External surface of cheliped carpus with cornute, conical tubercles, coarsely setose, ill-defined furrow parallel with palmar joint. External surface of chela set with short, coarse, dark setae; cornute, conical tubercles on upper margin, rounded inferiorly; lower margin smooth and dark colouration expands on to palm. Pereiopods with coarse dark setae, merus, carpus prominently spinose on superior margin. (Clark & Galil, 1993)
Type locality: Singapore and Bohol, Philippines.
Range: Andaman Islands (Alcock, 1898); Mergui Archipelago (Alcock, 1898); Japan - Yaeyama and Northern Daito-jima (Sakai, 1939), Ishigaki-jima and Northern Daito-jima (Sakai, 1976a), Oshima Passage, Amami-Oshima (Takeda, 1989); Taiwan; Malaysia - Pulau Aor (Clark & Galil, 1993); Singapore (White, 1848, Clark & Galil, 1993); Philippines - Bohol (White, 1848, Clark & Galil, 1993), Zamboanga (Garth & Kim, 1983, Clark & Galil, 1993), Luzon; Sulu Sea or Balabac Strait (Dana, 1852); Palau (Takeda, 1971, Takeda & Hayashi, 1973); Mariana Islands; Indonesia - Banda Neira (Clark & Galil, 1993), Ambon (de Man, 1887d), Ternate; Australia - Cape Capricorn (Rathbun, 1923a), Queensland (Clark & Galil, 1993); Kiribati; Fiji.