| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Amorphina connexa | Topsent, 1888 | synonym | No | junior synonym |
original combination |
| Gellius arcticus | Hentschel, 1916 | synonym | No | junior synonym |
original combination |
| Halichondria angulata | Bowerbank, 1866 | synonym | No | senior synonym |
original combination |
| Haliclona angulata | (Bowerbank, 1866) | accepted name | Yes | senior synonym |
new combination |
| Isodictya fallax | Bowerbank, 1866 | synonym | No | junior synonym |
original combination |
| Isodictya indefinita | Bowerbank, 1866 | synonym | No | junior synonym |
original combination |
| Orina angulata | (Bowerbank, 1866) | synonym | No | senior synonym |
new combination |