| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Gymnobela dubia | (Schepman, 1913) | synonym | No | senior synonym |
new combination |
| Pleurotomella dubia | Schepman, 1913 | synonym | No | senior synonym |
original combination |
| Spergo dubia | (Schepman, 1913) | accepted name | Yes | senior synonym |
new combination |