Carapace narrow and convex, being rather sparsely covered with long silky hairs; dorsal surface nearly smooth without granules, and quite ill-defined. Front divided into two lobes by a median anterior notch and a dorsal sulcus, its free margin being bordered with some spinules; each lobe isolated from a spine of lateral end by a deep and wide depression. Inner half of infraorbital border fringed with spinules, and one or two on its inner angle especially prominent and visible from above; external orbital angle often armed with a minute spine. Three anterolateral spines subequal to each other and curved obliquely forward. Chelipeds and ambulatory legs hairy like carapace; in both sexes chelipeds unequal and wholly covered with granules and hairs. Ambulatory legs very long; anterior border of each merus of first three pairs armed with four or five spines, and each carpus of all pairs with a terminal spine.
Distribution:
Yucatan Channel, Havana and off mouth of the Suriname River, 49-330 m deep.