
Alvarezsaurus (s; `Alvarez`s lizard`) is a genus of small alvarezsaurid dinosaur from the Late Cretaceous period of Argentina, approximately 86 - 83 million years ago. Estimates suggest that it measured about 2 meters (6.5 ft) in length and weighed approximately 20 kg (45 lbs). It was found in the Bajo de la Carpa Formation and was named by pal......
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http://en.wikipedia.org/wiki/Alvarezsaurus

(pronounced Al-vuh-rez-SAWR-us) Alvarezsaurus was a small, lightly-built, bird-like, bipedal theropod (a meat-eating dinosaur) that was about 6 feet (2 m) long, weighing roughly 20 kg. This fast runner had very long legs, long feet, very short arms, a long, s-shaped neck, and an extremely long, thin, flat tail. The tail was over half of the dinosau...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Alvarezsaurus An Alvarez lizard from Late Cretaceous (or Early Cretaceous) Neuquen Province, Argentina. It was named for Don Gregorio Alvarez, noted historian from Argentina. Named by Argentinian paleontologist José Bonaparte in 1991.
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