| Argyrosaurus Temporal range: Late Cretaceous
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|---|---|
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| Holotype forelimb and assigned femur as depicted in 1893 | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Clade: | †Macronaria |
| Clade: | †Titanosauria |
| Clade: | †Lithostrotia |
| Genus: | †Argyrosaurus Lydekker, 1893 |
| Species: | †A. superbus
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| Binomial name | |
| †Argyrosaurus superbus Lydekker, 1893
| |
Argyrosaurus (/ˌɑːrdʒaɪroʊˈsɔːrəs/ AR-jy-roh-SOR-əs) is a genus of titanosaurian sauropod dinosaur that lived about 70 million years ago, during the Late Cretaceous Period of what is now Argentina.