Hesperonyx

DV-1241 · type species Hesperonyx martinhotomasorum

Lived: 152 to 149 million years ago, Late Jurassic
Diet: Herbivore
Group: Ornithopods
Found in: Portugal
Named by: Rotatori et al. 2024

Field notes

About Hesperonyx

Hesperonyx was a plant-eating ornithopod that lived in the Late Jurassic, 152 to 149 million years ago.

The Paleobiology Database lists 1 find of Hesperonyx, from Portugal. Its fossils come from the Lourinhã Formation. It was named by Rotatori et al. in 2024.

The evidence

Where its fossils were found

Today

1 find

150 million years ago

Map: C. R. Scotese, PALEOMAP

Lived alongside

Found in the same rock formations.

Close relatives

Other members of Dryomorpha.

Sources: Paleobiology Database, WikidataNamed in: F. M. Rotatori, L. Ferrari, and C. Sequero, B. Camilo, O. Mateus, M. Moreno-Azanza. 2024. An unexpected early-diverging iguanodontian dinosaur (Ornithischia, Ornithopoda) from the Upper Jurassic of Portugal. Journal of Vertebrate Paleontology 43(4):e2310066:1-18