| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Laevilacunaria antarctica Martens, 1895 |
Atlantic Antarctic | 0.8 | |
| Laevilacunaria bennetti (Preston, 1916) |
Western Atlantic | 0.6 | |
| Laevilacunaria bransfieldensis (Preston, 1916) |
Western Atlantic |