| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Aspidosiphon coyi | de Quatrefages, 1865 | accepted name | Yes | senior synonym |
original combination |
| Aspidosiphon truncatus | (Keferstein, 1867) | synonym | No | junior synonym |
new combination |
| Paraspidosiphon truncatus | (Keferstein, 1867) | synonym | No | junior synonym |
new combination |
| Phascolosoma truncatum | Keferstein, 1867 | synonym | No | junior synonym |
original combination |