Retrotortina fuscata Chaster, 1896
W. English Channel to W. Mediterranean.
Micrograzer in the infralittoral.
The shell, one of the smallest in european gastropods, is obviously hyperstrophic, and brownish in colour.
Above, possible downslope transportation: in grit at 70-80m deep, in coralligen, Golfo di Carini, west of Palermo, NW. Sicilia. 0,7mm.
Downsloped again? 110m deep, on sediments, 1 mile west of Vis island, Split-Dalmatia Comitat, S Croatia. 0,4mm. Original pictures provided by R. Stanić (HR) – (CC BY-NC-SA).

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