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Alcock, 1900

Carapace much broader than long, generally smooth, finely pitted under magnification, granulate near antero-lateral borders; front straight, faintly notched medially; antero-lateral borders of carapace with 5 or 6 granular denticles followed by a sharp procurved spine. Chelipeds heterochelous, smooth and unarmed; fingers slender and hooked at tip, about as long as palm in the larger chela, longer in the smaller. Ambulatory legs slender; fifth pereiopods natatorial, with a distinct swimming paddle. (Türkay 1995)

Antero-lateral border bearing 6 or 7 antero-lateral teeth, including extraorbital angle; front straight; merus of third maxilliped not produced at antero-external angle. (Davie 1999)

Type locality: Persian Gulf.
Range: Persian Gulf (Alcock, 1900b); Strait of Hormuz (Stephensen, 1945, Apel & Spiridonov, 1998); India; Andaman Islands (Alcock, 1900b); Japan - Tosa Bay (Sakai, 1965c, 1976); China - Guangdong (Dai & Yang, 1991); Vietnam; Gulf of Thailand (Stephenson, 1972a); South China Sea - south of Hainan Island (Zarenkov, 1970), Nansha Islands (Dai & Xu, 1991); Indonesia - Kuandang Bay, Sulawesi (Tesch, 1918b); 29-60 m.

Libystes edwardsi