| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Glabraster antarctica | (Smith, 1876) | accepted name | Yes | senior synonym |
new combination |
| Glabraster antarctica magellanica | (Studer, 1876) | synonym | No | junior synonym |
new combination |
| Porania antarctica | Smith, 1876 | synonym | No | senior synonym |
original combination |
| Porania glaber | Sladen, 1889 | synonym | No | junior synonym |
original combination |
| Porania magellanica | Studer, 1876 | synonym | No | junior synonym |
original combination |
| Porania spiculata | Sladen, 1889 | synonym | No | junior synonym |
original combination |