(Sars, 1879)
Description
The first pereionite not visible from above, the second long. Only the first pereiopods bearing exopodites in either sex. Pereiopod 2 with the basis and ischium not distinctly separated.
Carapace with a median and two pairs of lateral carinae, the lower one meeting the upper near the hind end. Only the median carina is visible on the pleon somites. The basis of pereiopod 2 has a number of recurved spines on the upper edge. The endopod of the uropod has two segments.
No free telson.
Size
Length of the male up to 3.2 mm, of female up to 2.5 mm.
Ecology
Recorded from shallow water.
Depth range
Down to 70 m.
Distribution in the North Sea
Southern and northern North Sea, Skagerrak, also Kattegat.
World distribution
Recorded from west coast of Britain, Mediterranean Sea and Sénégal.
[After Jones, 1976]