Back Lourinhasaurus Czech Lourinhasaurus alenquerensis Spanish لورنیاسور Persian Lourinhasaurus French Lourinhasaurus Galician Lourinhasaurus alenquerensis Italian ロウリンハサウルス Japanese Lourinhasaurus Dutch Lorinazaur Polish Lourinhasaurus Portuguese
| Lourinhasaurus Temporal range: Late Jurassic (early Tithonian),
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| Life reconstruction. | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Clade: | †Macronaria |
| Family: | †Camarasauridae |
| Genus: | †Lourinhasaurus Dantas et al., 1998 |
| Species: | †L. alenquerensis
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| Binomial name | |
| †Lourinhasaurus alenquerensis (Lapparent & Zbyszewski, 1957)
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| Synonyms | |
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Lourinhasaurus is an extinct genus of herbivorous sauropod dinosaur genus dating from Late Jurassic strata of Estremadura, Portugal. The genus is monotypic, containing one species, Lourinhasaurus alenquerensis. The type specimen for this species was discovered near the town of Alenquer, near an abandoned mill.[1][2] The specimen is housed at the Geological Museum of Lisbon.
The research history of Lourinhasaurus is not without controversies, with referred specimens later being interpreted as not belonging to the genus (such as the type specimen of Supersaurus (=Dinheirosaurus) lourinhanensis). Lourinhasaurus means "lizard from Lourinhã" literally translated, despite the fact that the type specimen wasn't wasn't found in the Lourinhã municipality.