Body length 2-2.5 mm. Cephalothorax narrowing anteriorly. Eyes absent. Antenna 1 four-articled in female, with first article longer than the combined length of the other articles, fourth article extremely small. Male antenna 1 six-articled.
Cheliped large; in the female the distal tip of the dactylus rests between the propodal unguis and two tooth-like tubercles. In the male the propodus is greatly expanded distally and the dactylus is long.
Pleopods well developed.
Pleotelson terminally pointed in male.
Uropods well developed, both rami two-articled, exopodite about half the length of the endopodite.
This species is often found burrowing in the top layers of intertidal and sublittoral sands.
It has been recorded from the east and west coasts of Scotland and England, the south and south-west coasts of England, Shetland, the Channel Islands, the coasts of Denmark, the Netherlands, Brittany and Normandy.