(Bate and Westwood, 1861)
Body very robust; urosome segment 1 dorsal margin in female about straight, in male with a broad depression; epimeral plate 3 posterodistal angle rounded. Head short, lateral lobes small; eyes small, rounded. Mandible with the molar reduced to a small rounded ridge. Maxilliped outer plate with a distinct cleft in the distal margin. Antennae short, about equal; antenna 1 peduncle article 1 very large, articles 2 and 3 short, in female narrower than article 1, in male almost as broad as article 1, flagellum about 8-articulate, in female article 1 small, in male large, laminar, very densely setose; accessory flagellum 5-articulate. Antenna 2 flagellum about 9-articulate. Gnathopod 1 simple, robust, basis broad, propodus much narrower than the carpus and tapering distally, posterior margin finely toothed and with two to four small spines and a few long setae. Gnathopod 2 elongate, slender, propodus about half the length of the carpus, dactylus absent. Pereiopods 5 to 7 robust, basis, merus and carpus broad. Uropod 1 peduncle spinose; uropod 2 peduncle broad, rami short; uropod 3 very small, rami about equal in length. Telson fleshy, broader than long, distal margin only weakly notched.
Up to 9 mm.
Depth range from 0 to 75 metres.
Kattegat, North Sea; Celtic Sea, north-west France; Bay of Naples.