| Eousdryosaurus Temporal range: Late Jurassic,
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|---|---|
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ornithopoda |
| Family: | †Dryosauridae |
| Genus: | †Eousdryosaurus Escaso et al., 2014 |
| Species: | †E. nanohallucis
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| Binomial name | |
| †Eousdryosaurus nanohallucis Escaso et al., 2014
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Eousdryosaurus ("eastern Dryosaurus") is a genus of basal iguanodontian dinosaur known from a partial skeleton discovered in Upper Jurassic rocks in western Portugal. The type, and only species, is Eousdryosaurus nanohallucis, named and described in 2014.