| Synonym | Autor | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Nika couchi | Bell, 1847 | synonym | No | junior synonym |
original combination |
| Nika mediterranea | Parisi, 1915 | synonym | No | junior synonym |
original combination |
| Processa canaliculata | Leach, 1815 | accepted name | Yes | senior synonym |
original combination |
| Processa mediterranea | (Parisi, 1915) | synonym | No | junior synonym |
new combination |
| Processa prostatica | Zariquiey Cenarro, 1941 | synonym | No | junior synonym |
original combination |