| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Cymatium aquatile | (non Reeve, 1844) | misapplied name | No | misidentification |
misapplied |
| ! Cymatium intermedium | (Pease, 1869) | synonym | No | senior synonym |
new combination |
| Cymatium pileare | (non Linnaeus, 1758) | misapplied name | No | misidentification |
misapplied |
| Lampusia intermedia | (Pease, 1869) | synonym | No | junior synonym |
new combination |
| Lampusia kikaiensis | Shikama, 1970 | synonym | No | junior synonym |
original combination |
| Monoplex intermedius | (Pease, 1869) | accepted name | Yes | senior synonym |
new combination |
| Septa intermedia | (Pease, 1869) | synonym | No | senior synonym |
new combination |
| Triton aquatile | Reeve, 1844 | synonym | No | senior synonym |
original combination |