| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| ! Clinopegma magna | (Dall, 1895) | synonym | No | senior synonym |
new combination |
| Clinopegma magnum | (Dall, 1895) | accepted name | Yes | senior synonym |
new combination |
| Neptunea magna | (Dall, 1895) | synonym | No | senior synonym |
new combination |