| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Spongia aperta | Hyatt, 1877 | synonym | No | junior synonym |
original combination |
| Spongia corlosiformis | Hyatt, 1877 | synonym | No | junior synonym |
original combination |
| Spongia disciformis | Hyatt, 1877 | synonym | No | junior synonym |
original combination |
| Spongia duplex | Hyatt, 1877 | synonym | No | junior synonym |
original combination |
| Spongia exotica | Hyatt, 1877 | synonym | No | junior synonym |
original combination |
| Spongia rotunda | Hyatt, 1877 | synonym | No | junior synonym |
original combination |
| Spongia solida | Hyatt, 1877 | synonym | No | junior synonym |
original combination |
| Spongia tubulifera | Lamarck, 1814 | accepted name | Yes | senior synonym |
original combination |
| Spongia tubulifera var. disciformis | Hyatt, 1877 | synonym | No | senior synonym |
original combination |