| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| ! Eusyllis kupferi | Langerhans, 1879 | synonym | No | senior synonym |
original combination |
| Eusyllis kupfferi | Langerhans, 1879 | accepted name | Yes | senior synonym |
original combination |
| ! Eusyllis kuppferi | (Langerhans, 1879) | synonym | No | senior synonym |
new combination |