(pronounced REE-oh-ah-REE-bah-SAWR-us) Rioarribasaurus was a lightly-built, fast, theropod dinosaur. This bipedal, carnivore lived during the late Triassic period . This small ceratosaurian was about 10 feet (3 m) long. Hundreds of fossils were found at the Ghost Ranch in New Mexico, USA in 1947 by paleontologist Edwin H. Colbert. Rioarribasaurus a...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
Rioarribasaurus “Rioariba lizard” or “Rioa Arriba lizard” from Late Triassic New Mexico. Named for Rio Arriba County, New Mexico. Note that the name Rioarribasaurus was put on the Official Index of Rejected and Invalid Generic Names in Zoology (1996), and cannot be used as a valid name in taxonomic literature. Apparently it is n...
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http://www.wordinfo.info/words/index/info/view_unit/2727/29
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