| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Cytherea simpsoni | (Dall, 1895) | synonym | No | senior synonym |
new combination |
| Meretrix simpsoni | Dall, 1895 | synonym | No | senior synonym |
original combination |
| Pitar simpsoni | (Dall, 1895) | accepted name | Yes | senior synonym |
new combination |