Milne-Edwards, 1840
Body cylindrical, with comparatively short and well-separated processes. Cephalon projecting anteriorly but hardly beyond the base of the proboscis. Abdomen simple, oval, pointing somewhat upward.
Ocular tubercle placed before the middle of the dorsal surface of the cephalon. Proboscis short, cylindrical, issuing slightly ventrally from the anterior part of the cephalon. Chelifores comparatively powerful, scape clavate, chela oval, smooth, with the fingers strongly curved and markedly forcipate. Palps absent.
Ovigerous legs in male only, with five segments, with the last segment comparatively large, compressed and strongly curved, without a claw, but with unguiform spines at the sides and along the inner margin.
Ambulatory legs nearly smooth, more or less elongate; femur in female much swollen; tarsus very small; propodus powerfully developed, curved and armed along the inner margin at the base with strong anteriorly curving spines; terminal claw powerful, with distinct auxiliary claws.
Genital openings on the 2nd coxal segment of all legs. Numerous globular shaped egg-masses attached to each of the ovigerous legs in the male.
The following species of this genus occurs in the region: