| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Obesitoma simplex | (Middendorff, 1849) | synonym | No | senior synonym |
new combination |
| Obesotoma simplex | (Middendorff, 1849) | accepted name | Yes | senior synonym |
new combination |
| Pleurotoma simplex | Middendorf, 1849 | synonym | No | senior synonym |
original combination |