See text Tornidae is a family of very small and minute sea snails with an operculum, marine gastropod mollusks in the clade Littorinimorpha.

A name maintained by virtue of this Article retains its own author [and date, the first date cited] but takes the priority of the replaced name [the date cited in parentheses, here alluding to Adeorbidae Monterosato, 1884] [1] The shells of the snails in this family are minute, colorless and glassy.

The shell has a simple columella, and a rounded, sharp outer lip.

The body of the animal differs from species in the family Trochidae by having no cirriform appendages of the foot.

(Thiele, 1925) The following subfamilies were recognized in the 2005 taxonomy of Bouchet & Rocroi, but have now become alternate representations: Genera in the family Tornidae include: