| Synonym | Författare | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Lacuna carinata | Gould, 1848 | accepted name | Yes | senior synonym |
original combination |
| Lacuna effusa | Carpenter, 1864 | synonym | No | junior synonym |
original combination |
| Lacuna exaequata | Carpenter, 1864 | synonym | No | junior synonym |
original combination |
| Lacuna puteoloides | Dall, 1919 | synonym | No | junior synonym |
original combination |
| Lacuna striata | Gabb, 1861 | synonym | No | junior synonym |
original combination |