| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Littorina carolinensis | Conrad, 1863 | synonym | No | junior synonym |
original combination |
| Littorina irrorata | (Say, 1822) | accepted name | Yes | senior synonym |
new combination |
| Littorina lunata | Lea, 1845 | synonym | No | junior synonym |
original combination |
| Littorina sayi | Reeve, 1858 | synonym | No | junior synonym |
original combination |
| Turbo irrorata | Say, 1822 | synonym | No | senior synonym |
original combination |