| Hesperonyx Temporal range: Late Jurassic,
| |
|---|---|
| |
| Skeletal reconstruction | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ornithopoda |
| Clade: | †Dryomorpha |
| Genus: | †Hesperonyx Rotatori et al., 2024 |
| Species: | †H. martinhotomasorum
|
| Binomial name | |
| †Hesperonyx martinhotomasorum Rotatori et al., 2024
| |
Hesperonyx (meaning "western claw") is an extinct genus of dryomorphan ornithopod dinosaur from the Late Jurassic Lourinhã Formation of Portugal. The genus contains a single species, Hesperonyx martinhotomasorum, known from bones of the fore- and hindlimbs.