
Shonisaurus is a genus of ichthyosaur. At least 37 incomplete specimens of the marine reptile have been found in the Luning Formation of Nevada, USA. This formation dates to the late Carnian age of the late Triassic period, about 215 million years ago. Shonisaurus lived during the Norian stage of the late Triassic period. S. popularis measured aro...
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http://en.wikipedia.org/wiki/Shonisaurus

Shonisaurus was an Ichthyosaur about 49 feet (15 m) long. It had a huge, whale-like body, four fin-like flippers, a dorsal fin, a fish-like tail, and teeth (only in the front of the jaws). It lived during the late Triassic period in wha t is now North America . It was not a dinosaur, but another type of extinct reptile that lived during the time of...
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/

Shonisaurus An Ichthyosaur that lived during Late Triassic North America. It was not a dinosaur but another kind of extinct reptile.
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