Callovosaurus
| Callovosaurus Temporal range: Callovian ~ | |
|---|---|
| Illustration of the holotype femur | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Ornithopoda | 
| Family: | †Dryosauridae | 
| Genus: | †Callovosaurus Galton, 1980 | 
| Species: | †C. leedsi | 
| Binomial name | |
| †Callovosaurus leedsi Galton, 1980 (Lydekker, 1889) | |
| Synonyms | |
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Callovosaurus (meaning "Callovian lizard") is a genus of iguanodontian dinosaur known from most of a left thigh bone discovered in Middle Jurassic-age rocks of England. At times, it has been considered dubious or a valid genus of basal iguanodontian, perhaps a dryosaurid.