(A. Milne Edwards, 1865)
Carapace relatively broad, convex dorsally. Surface distinctly areolated, except for posterior part, covered with large rounded granules, becoming conical near the margins; short and brown setae. Region 2M almost undivided; 4M very narrow. Antero-lateral margin with four lobes, hardly indicated, ornamented with pointed granules. Male chelipeds short; palm a little inflated, with large granules encircled with brown setae; the black colouration of the fixed fingers largely extending backwards onto the palm. Ambulatory legs merus of P5 about 1.8 times longer than broad. (Guinot 1998)
Type locality: Réunion.
Range: Réunion (A. Milne Edwards, 1865, Guinot, 1976, Serène, 1984); Japan - Shimoda and Tosa Okinoshima (Sakai, 1939), Sagami Bay, Izu Peninsula, Kii Minabe, and Tosa Bay (Sakai, 1976a), Tanegashima (Takeda, 1976b), Kii Nagashima (Miyake, 1983); Taiwan - Su-ao (Miyake, 1938, Lin, 1949); China - Guangxi and Fujian (Dai & Yang, 1991).