| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Aiolochroia crassa | (Hyatt, 1875) | accepted name | Yes | senior synonym |
new combination |
| Aiolochroia ianthella | (de Laubenfels, 1949) | synonym | No | junior synonym |
new combination |
| Dendrospongia crassa | Hyatt, 1875 | synonym | No | senior synonym |
original combination |
| Ianthella ardis | de Laubenfels, 1950 | synonym | No | junior synonym |
original combination |
| Ianthella ianthella | de Laubenfels, 1949 | synonym | No | junior synonym |
original combination |