| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Mestosiphon lentulus | Iredale, 1940 | synonym | No | junior synonym |
original combination |
| Parellsiphon innocuus | Iredale, 1940 | synonym | No | junior synonym |
original combination |
| Parellsiphon promptus | Iredale, 1940 | synonym | No | junior synonym |
original combination |
| Planesiphon elegans | Iredale, 1940 | synonym | No | junior synonym |
original combination |
| Planesiphon soranus | Iredale, 1940 | synonym | No | junior synonym |
original combination |
| Siphonaria baconi | Reeve, 1856 | synonym | No | junior synonym |
original combination |
| Siphonaria bifurcata | Reeve, 1856 | synonym | No | junior synonym |
original combination |
| Siphonaria zebra | Reeve, 1856 | synonym | No | junior synonym |
original combination |
| Siphonaria zelandica | Quoy & Gaimard, 1833 | accepted name | Yes | senior synonym |
original combination |