Detritus feeder (the types were fished on Posidonia fibres, other specimens were found on sunken driftwood) in the low circalittoral down to the continental shelf and slope. The genus is characterized by a smooth, Planorbis-like shell, and the species by a hyperstrophic protoconch. « Adult teleoconch of 2.3 whorls, sculptured only by weak incremental lines. Whorls connected only for a very short distance, more or less at th periphery of the preceding one. Suture consequently deep and channeled. Cross-section of whorls rounded triangular… » – A. Warén: “New and little known ‘Skeneimorph’ gastropods from the Mediterranean Sea and the adjacent Atlantic Ocean”, Bollettino Malacologico vol. 27, p.182. The species differs from X. boucheti by its larger umbilicus.