Potamorrhaphis
| Potamorrhaphis | |
|---|---|
| P. guianensis | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Actinopterygii | 
| Order: | Beloniformes | 
| Family: | Belonidae | 
| Genus: | Potamorrhaphis Günther, 1866 | 
| Type species | |
| Belone taeniata Günther, 1866 | |
Potamorrhaphis is a genus of freshwater needlefishes native to South America.