genus of titanosaurian sauropod dinosaur From Wikipedia, the free encyclopedia
Argentinosaurus was a titanosaurid sauropod dinosaur. It was an enormous, long-necked, long-tailed, quadrupedal, plant-eater from Argentina, South America during the Cretaceous period.
| Argentinosaurus Temporal range: Upper Cretaceous | |
|---|---|
 | |
| Reconstructed skeleton, Museo Municipal Carmen Funes, Plaza Huincul, Argentina. The original vertebrae are seen on the lower left | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Clade: | †Titanosauria |
| Clade: | †Lithostrotia |
| Clade: | †Lognkosauria |
| Genus: | †Argentinosaurus Bonaparte & Coria, 1993 |
| Type species | |
| †Argentinosaurus huinculensis Bonaparte & Coria, 1993 | |
Argentinosaurus meaning "Argentina lizard", was named by paleontologists Coria & José Bonaparte in 1993. It is known from fossilized back vertebrae, tibia, ribs and sacrum, found in Neuquén Province. It may be the largest dinosaur,[1] but its remains are so incomplete that palaeontologists prefer to use Saltasaurus for their calculations. An accurate estimate was got for the much more complete sub-adult Dreadnoughtus.[2][3]
The following shows the disagreement on estimates of size:
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