| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Phenacovolva honkakujiana | (Kuroda, 1928) | synonym | No | senior synonym |
new combination |
| Radius honkakujiana | Kuroda, 1928 | synonym | No | senior synonym |
original combination |
| Takasagovolva honkakujiana | (Kuroda, 1928) | accepted name | Yes | senior synonym |
new combination |