Body smooth, more or less slender, cylindrical, with well separated lateral processes. Cephalon comparatively large, with neck distinct and the frontal part prominently expanded. The two last segments of the trunk coalescent. Abdomen very small, obtusely conic, directed upwards.
Ocular tubercle more or less protuberant, with well developed eyes. Proboscis short, anteriorly directed, somewhat expanded in its outer part; oral orifice plain. Chelifores well developed, comparatively short; scape thick, cylindrical; hand oblongo-oval, with the fingers conically pointed and finely dentated along the inner margin. Palps absent.
Ovigerous legs present in both sexes; very elongate and slender, with ten segments, 5th segment in male longer than the rest and furnished at the extremity with a short recurved lappet; the four outer segments along the inner edge armed with a regular series of lamellar spines, finely ciliate along the margins; terminal segment obtusely rounded at the extremity, without any claw.
Ambulatory legs more or less prolonged, sparingly setous, with the femur a good deal swollen in the female; tarsus exceedingly small; propodus powerfully developed and armed along the inner edge, at the base, with strong spines; terminal claw comparatively short, but powerful; auxiliary claws well developed.
Sexual openings in female at the end of the 2nd coxa on all the legs, in male on the two posterior pairs only. The outer eggs very large, each fixed by itself to the ovigerous legs, without being glued together in masses.
The following species of this genus occur in the region: