| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Jacksonaster depressum | (Lesson, 1841) | accepted name | Yes | senior synonym |
new combination |
| Jacksonaster depressum tonganense | (Quoy & Gaimard, 1841) | accepted name | No | senior synonym |
new combination |
| Laganum depressum | Lesson, 1841 | synonym | No | senior synonym |
original combination |
| Laganum depressum tonganense | Quoy & Gaimard, 1841 | synonym | No | senior synonym |
change in rank |
| Laganum depressum var. tonganense | Quoy & Gaimard, 1841 | synonym | No | senior synonym |
original combination |
| Laganum tonganense | Quoy & Gaimard, 1841 | synonym | No | senior synonym |
original combination |