| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Cradactis plicatus | Hutton | synonym | No | junior synonym |
original combination |
| Cradactis plicatus | Stuckey, 1909 | synonym | No | junior synonym |
original combination |
| Metridium muscosum | Drayton, 1846 | synonym | No | senior synonym |
original combination |
| Oulactis muscosa | (Drayton, 1846) | accepted name | Yes | senior synonym |
new combination |
| Oulactis plicata | Hutton, 1878 | synonym | No | junior synonym |
original combination |
| Oulactis plicatus | Hutton, 1878 | synonym | No | junior synonym |
original combination |
| Tealidium cinctum | Stuckey, 1909 | ambiguous synonym | No | other |
original combination |