Back عظاءة إستريا Arabic هیستریاسور FA Histriasaurus French היסטריזאורוס HE Histriasaurus Croatian Histriasaurus Dutch Histriazaur Polish Histriasaurus VI Histriasaurus VO 伊斯的利亞龍屬 Chinese
| Histriasaurus Temporal range: Early Cretaceous,
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| Vertebra from the holotype | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Superfamily: | †Diplodocoidea |
| Family: | †Rebbachisauridae |
| Genus: | †Histriasaurus Dalla Vecchia, 1998 |
| Type species | |
| †Histriasaurus boscarollii Dalla Vecchia, 1998
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Histriasaurus (HIS-tree-ah-SAWR-us) (meaning "Istria lizard") was a genus of dinosaur from the Early Cretaceous (Hauterivian to Barremian stages, around 135-125 million years ago).