| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Cloeosiphon aspergillus | (de Quatrefages, 1865) | accepted name | Yes | senior synonym |
new combination |
| Cloeosiphon carolinum | Ikeda, 1924 | synonym | No | junior synonym |
original combination |
| Cloeosiphon japonicum | Ikeda, 1904 | synonym | No | junior synonym |
original combination |
| Cloeosiphon javanicum | Sluiter, 1886 | synonym | No | junior synonym |
original combination |
| Cloeosiphon mollis | Selenka & Bülow, 1883 | synonym | No | junior synonym |
original combination |
| Echinosiphon aspergillum | (de Quatrefages, 1865) | synonym | No | junior synonym |
new combination |
| Loxosiphon aspergillus | de Quatrefages, 1865 | synonym | No | senior synonym |
original combination |