| Protomyzon | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Cypriniformes |
| Family: | Gastromyzontidae |
| Genus: | Protomyzon Hora, 1932 |
| Type species | |
| Homaloptera whiteheadi Vaillant 1894
| |
| Synonyms | |
|
Progastromyzon Hora & Jayaram, 1952 | |
Protomyzon is a genus of gastromyzontid loaches endemic to Borneo.