Borradaile, 1902
Carapace transversely oval, evenly convex in both directions; regions isolated from each other by distinct linear furrows; gastric and branchial regions studded with conical granules of good size, which become taller near the frontal and antero-lateral margins. Frontal margin divided into two convex lobes by a median U-shaped sinus; each lobe weakly convex, armed with some tubercles, shallowly concave near its lateral end which is armed with a tubercle. Antero-lateral margin with three teeth behind external orbital angle, first three of which are armed each with two or three tubercles. Chelipeds of good size, thickly covered with tubercles; movable finger with four teeth, and immovable finger with five; tips not pointed. Anterior margin of each ambulatory merus with some tubercles, and anterior margins and upper surfaces of carpi, propodi and dactyli with dense spiniform tubercles. (Takeda, 1989)
Type locality: Miladunmadulu Atoll, Maldives.
Range: Seychelles (Rathbun, 1911); Maldives (Borradaile, 1902b); Japan - Ogasawara-shoto (Odhner, 1925), Oshima Passage, Amami-Oshima (Takeda, 1989).