| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Halecium delicatulum | Coughtrey, 1876 | accepted name | Yes | senior synonym |
original combination |
| Halecium flexile | Allman, 1888 | synonym | No | junior synonym |
original combination |
| Halecium parvulum | Bale, 1888 | ambiguous synonym | No | other |
original combination |