| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Aspidosiphon gracilis | (Baird, 1868) | accepted name | Yes | senior synonym |
new combination |
| Aspidosiphon gracilis gracilis | (Baird, 1868) | accepted name | No | senior synonym |
new combination |
| Aspidosiphon gracilis schnehageni | (Fischer, 1913) | accepted name | No | senior synonym |
change in rank |
| Aspidosiphon schnehageni | Fischer, 1913 | synonym | No | senior synonym |
original combination |
| Paraspidosiphon schnehageni | (Fischer, 1913) | synonym | No | senior synonym |
new combination |
| Pseudaspidosiphon gracile | Baird, 1868 | synonym | No | senior synonym |
original combination |