(Flipse, 1930)
Species of a rather small size. Carapace obtusely pentagonal in outline. Chelipeds are massive. Dorsal surface of carapace smooth. Chelipeds also smooth and the processes or lobes on inner and outer borders are few and smooth. (T. Sakai, 1976)
Type locality: west coast of Binongko, Indonesia, "Siboga" stn 220, 55 m.
Range: Japan - Kii Peninsula (Sakai, 1976a); Indonesia - west coast of Binongko (Flipse, 1930).