Shonisaurus
Extinct genus of reptiles
Shonisaurus
Shonisaurus is a genus of very large ichthyosaurs. At least 37 incomplete fossil specimens of the type species, Shonisaurus popularis, have been found in the Luning Formation of Nevada, United States. This formation dates to the late Carnian-early Norian age of the Late Triassic, around 227 million years ago. Other possible species of Shonisaurus have been discovered from the middle Norian deposits of Canada and Alaska.
Read on Wikipedia · Image ★Kumiko★ from Tokyo, Japan, CC BY-SA 2.0
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