| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Echinorhynchus anatis | Schrank, 1788 | synonym | No | senior synonym |
original combination |
| Echinorhynchus filicollis | Rudolphi, 1809 | synonym | No | junior synonym |
original combination |
| Echinorhynchus laevis | Linstow, 1905 | synonym | No | junior synonym |
original combination |
| Echinorhynchus polymorphus | Bremser, 1824 | ambiguous synonym | No | other |
original combination |
| Filicollis anatis | (Schrank, 1788) | accepted name | Yes | senior synonym |
new combination |