| Exastilithoxus | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Tribe: | Ancistrini |
| Genus: | Exastilithoxus Isbrücker & Nijssen, 1979 |
| Type species | |
| Pseudacanthicus (Lithoxus) fimbriatus Steindachner, 1915
| |
Exastilithoxus is a small genus of suckermouth armored catfish native to South America.