| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Ebalia ambiguus | (Van Cleave, 1921) | accepted name | Yes | senior synonym |
new combination |
| Paratenuisentis ambiguus | (Van Cleave, 1921) | synonym | No | senior synonym |
new combination |
| Tanaorhamphus ambiguus | Van Cleave, 1921 | synonym | No | senior synonym |
original combination |