| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Halecium gracile | Verrill, 1874 | synonym | No | junior synonym |
original combination |
| Halecium halecinum | (Linnaeus, 1758) | accepted name | Yes | senior synonym |
new combination |
| ! Halecium halecium | (Linnaeus, 1758) | synonym | No | senior synonym |
new combination |