Alvarezsaurus
Alvarezsaurus (/ˌælvərɛzˈsɔːrəs/; "Alvarez's lizard") is a genus of alvarezsaurid dinosaur from the Late Cretaceous, living in Argentina approximately 86 - 83 million years ago. It was a small dinosaur, measuring 1–1.4 m (3.3–4.6 ft) long and weighing approximately 3 kg (6.6 lb). It was found in the Bajo de la Carpa Formation and was named by paleontologist José Bonaparte in 1991 after the historian Don Gregorio Alvarez. The type species is A. calvoi.
| Alvarezsaurus Temporal range: Late Cretaceous, | |
|---|---|
| Skeleton restoration | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Family: | †Alvarezsauridae |
| Genus: | †Alvarezsaurus Bonaparte, 1991 |
| Species: | †A. calvoi |
| Binomial name | |
| †Alvarezsaurus calvoi Bonaparte, 1991 | |
| Synonyms | |
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