Laevilacunaria

Laevilacunaria is a genus of sea snails, marine gastropod mollusks in the family Littorinidae, the winkles or periwinkles.

Species
Species within the genus Laevilacunaria include:
 * Laevilacunaria antarctica (Martens, 1885)
 * Laevilacunaria bennetti (Preston, 1916)
 * Species brought into synonymy:
 * Laevilacunaria benetti [sic]: synonym of Laevilacunaria bennetti (Preston, 1916)
 * Laevilacunaria bransfieldensis (Preston, 1916) : synonym of Laevilacunaria antarctica (Martens, 1885)