| Named By: | Richard Lydekker in 1893 |
| Time Period: | Late Cretaceous 90 Ma |
| Location: | Argentina, Uruguay |
| Size: | Ranging between 20-30 meters long |
| Diet: | Herbivore |
| Fossil(s): | Partial post cranial remains |
| Classification: | | Chordata | Reptilia | Dinosauira | Saurischia | Sauropodomorpha | Sauropoda | Titanosauria | |
Argyrosaurus ( AR-ji-ro-SAWR-as) is a genus of herbivorous titanosaurid dinosaur that lived about 90 million years ago, during the Late Cretaceous Period of what is now Argentina.