Gray J.E., 1857
Shell a tumid or turreted spire, or globular with last whorl prominent and spire much reduced; usually small, thin and smooth, often with an umbilical chink or groove on the columella. Foot with two prominent metapodial tentacles; operculum a rapidly expanding spiral of two or three turns, thin and horny.
Source: Hayward et al., 1990.
The following subtaxa of this family occur in the region:
Genus Lacuna
Lacuna crassior
Lacuna pallidula
Lacuna parva
Lacuna vincta