Shell small, smooth, glossy with low spire of three to four tumid, rapidly expanding whorls. Sculpture confined to fine, irregular growth lines, augmented in umbilical region by a few spiral ridges. Aperture with a sinus, or embayment, at periphery and base; inner lip reflected over and partly occluding oval umbilicus.
It is considered that the North Sea species is D. pusilla (Jeffreys) and that Dikoleps nitens (Philippi) is a Mediterranean species.
Up to 1 x 1 mm.
White or pale horn-coloured.
Body as for Skenea serpuloides , but lacking postoptic tentacle and with shorter anterio-lateral processes on foot.
On rocky shores among weeds and detrital sediment at LWST, sublittoral on gravelly and shelly sand down to 50 m.
As for Skenea serpuloides , but recorded also from Norway. Considered to be less common in British waters (Distr. D. pusilla).