| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Dentalium formosum | Adams amd Reeve, 1850 | synonym | No | senior synonym |
original combination |
| Dentalium formosum hirasei | Kira, 1959 | synonym | No | junior synonym |
original combination |
| Pictodentalium formosum | (Adams & Reeve, 1850) | accepted name | Yes | senior synonym |
new combination |