| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Heterocyathus aequicostatus | Milne-Edwards & Haime, 1848 | accepted name | Yes | senior synonym |
original combination |
| ! Heterocyathus aequiscoctatus | Milne-Edwards & Haime, 1848 | synonym | No | senior synonym |
original combination |