Sakai, 1974
Exorbital tooth of carapace very prominent and acuminate, located below the upper orbital tooth; remaining teeth around carapace borders unequal, their tips obtusely pointed; frontal teeth subequal in size, their tips rounded, median lobes slightly overreaching lateral ones. Chelae naked and glabrous. Second to fourth pereiopods with propodi serrate on anterior borders, foliaceous dactyli of same legs with posterior border cut into three or four teeth. (Türkay 1995)
Type locality: Taketomi-jima, Okinawa, Japan.
Range: Japan - Taketomi-jima (Sakai, 1974, 1976), Iriomote-jima (Sakai, 1976a).