Dana, 1852
Regions of carapace well defined by broad smooth deep-cut grooves, 1L-4L conical shaped, 2M entire, dorsal surface shagreened, with few scattered setae. 1P uniformly granulate; sinuous transverse row of adjoining pearliform granules posteriorly on 2P. Submedian frontal lobes trapezoid, crenulate, separated by distinct 'U'-shaped groove, lateral lobes acuminate tubercles. Antero-lateral margin tridentate, three equally prominent, large hook-shaped teeth lacking ancillary spines or granules. Anterior margin of cheliped merus prominently spinose. External surface of cheliped carpus and propodus studded with large, conic tubercles, smaller and obsolescent ventrally on propodus. Pereiopods fringed with long setae, superior margin of carpus, merus, propodus prominently spinose. (Clark & Galil, 1993)
Type locality: Upolu, Samoa and Balabac Passage, north Borneo.
Range: Red Sea - Abu Latt Island (Guinot, 1964b, Clark & Galil, 1993); Ile Mayotte (Guinot, 1958, Serène, 1984, Clark & Galil, 1993); Madagascar - Tamatave (Serène, 1984, Clark & Galil, 1993), Toliara; Seychelles - Coëtivy Islands (Rathbun, 1911), Aldabra Islands (Serène, 1984, Clark & Galil, 1993); Mauritius (Michel, 1964, Serène, 1984, Clark & Galil, 1993); Réunion (Clark & Galil, 1993); Laccadive Islands - Minikoi (Clark & Galil, 1993); Maldives - Malé Atoll (Clark & Galil, 1993); Chagos Archipelago (Rathbun, 1911, Clark & Galil, 1993); Gulf of Mannar (Laurie, 1906, Clark & Galil, 1993); Andaman Islands (Alcock, 1898); Nicobar Islands (Heller, 1865); Mergui Archipelago (Alcock, 1898); Thailand - Phuket (Clark & Galil, 1993); Japan - Amami-Oshima (Ortmann, 1893), Okinawa and Yaeyama (Sakai, 1939), Yoron-jima and Ishigaki-jima (Sakai, 1976a), Ishigaki-jima (Clark & Galil, 1993); Taiwan - P'eng-hu (Lin, 1949); China - Paracel Islands (Chen & Lan, 1978, Dai & Yang, 1991), Hainan Island; Vietnam (Serène & Luom, 1959); Philippines (Clark & Galil, 1993); Borneo - Balabac Passage (Dana, 1852), Sabah (Clark & Galil, 1993); Indonesia - Ambon (de Man, 1887d), Ternate and Ambon (Clark & Galil, 1993), Java; Palau; Mariana Islands; Australia - Queensland (Clark & Galil, 1993); New Caledonia (Clark & Galil, 1993); Kiribati (Clark & Galil, 1993); Tuvalu - Funafuti (Clark & Galil, 1993); Samoa (Dana, 1852, Clark & Galil, 1993); Soceity Islands (Clark & Galil, 1993); Tuamotu Archipelago - Hikueru (Clark & Galil, 1993); shallow waters.