| Synonym | Author | CoL Status | Valid | Synonymy | Combination |
|---|---|---|---|---|---|
| Chirostylus formosus | (Filhol, 1884) | synonym | No | senior synonym |
new combination |
| Gastroptychus formosus | (Filhol, 1884) | accepted name | Yes | senior synonym |
new combination |
| Ptychogaster formosus | Filhol, 1884 | synonym | No | senior synonym |
original combination |