| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Phascolosoma grayi | Baird, 1868 | synonym | No | junior synonym |
original combination |
| Phascolosoma javanense | (de Quatrefages, 1865) | synonym | No | junior synonym |
new combination |
| Phascolosoma noduliferum | Stimpson, 1855 | accepted name | Yes | senior synonym |
original combination |
| Siphunculus tuberculatus | Gray, 1828 | synonym | No | junior synonym |
original combination |
| Sipunculus javenensis | de Quatrefages, 1865 | synonym | No | junior synonym |
original combination |
| Sipunculus noduliferus | (Stimpson, 1855) | synonym | No | senior synonym |
new combination |
| Sipunculus nodulosus | de Quatrefages, 1865 | synonym | No | junior synonym |
original combination |