| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| ! Mamilla melanostoma | (Gmelin, 1791) | synonym | No | senior synonym |
new combination |
| Mammilla melanostoma | (Gmelin, 1791) | accepted name | Yes | senior synonym |
new combination |
| Mammilla opaca | (Récluz, 1851) | synonym | No | junior synonym |
new combination |
| Nerita melanostoma | Gmelin, 1791 | synonym | No | senior synonym |
original combination |
| Polinices melanostoma | (Gmelin, 1791) | synonym | No | senior synonym |
new combination |
| ! Polinices melanostomus | (Gmelin, 1791) | synonym | No | senior synonym |
new combination |