| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Neopetrosia exigua | (Kirkpatrick, 1900) | accepted name | Yes | senior synonym |
new combination |
| Neopetrosia pandora | de Laubenfels, 1954 | synonym | No | junior synonym |
original combination |
| Petrosia exigua | Kirkpatrick, 1900 | synonym | No | senior synonym |
original combination |
| Xestospongia exigua | (Kirkpatrick, 1900) | synonym | No | senior synonym |
new combination |
| Xestospongia pacifica | Kelly-Borges & Bergquist, 1988 | synonym | No | junior synonym |
original combination |