(A. Milne Edwards, 1861)
Carapace bare and smooth; rather faint transverse granular lines on frontal, protogastric and mesogastric regions, epibranchial line interrupted at the cervical groove and across midline; front with 6 teeth, medians and submedians truncate, laterals triangular with rounded tips; antero-lateral borders with 6 teeth of which the second and fourth are very small, sixth acute, smaller than the preceeding one; postero-lateral junctions rounded. Antennal flagellum excluded from orbit. Chelipeds slightly heterochelous; merus with 3 strong spines on anterior border, posterior border smooth; carpus with a strong internal spine, outer border with 3 spinules; palm smooth, with 3 spines on upper border. Merus of swimming leg with a subdistal posterior spine, propodus with a row of spinules on posterior border. (Türkay 1995)
Antennal flagellum excluded from orbital hiatus; posterior border of cephalothorax curved, forming curved postero-lateral junction; 6 antero-lateral teeth, 4 large and 2 very small. (Davie 1999)
Type locality: Mauritius.
Range: Red Sea; Kenya - Mombasa (Apel & Spiridonov, 1998); Seychelles (Apel & Spiridonov, 1998); Aldabra Islands; Coëtivy Islands (Rathbun, 1911); Réunion (Apel & Spiridonov, 1998); Mauritius (A. Milne Edwards, 1861); Persian Gulf (Nobili, 1905, Leene, 1938, Stephensen, 1945, Apel & Spiridonov, 1998); Gulf of Oman (Apel & Spiridonov, 1998); Japan - Tosa Bay (Sakai, 1965c), Tosa Bay and Yoron-jima (Sakai, 1976a); New Caledonia (Apel & Spiridonov, 1998); Marquesas - Hiva Oa and Tahuata (Poupin, 1996); Tuamotu Archipelago - Taiaro (Poupin, 1996); littoral to 100 m.