Shonisaurus
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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.
Shonisaurus skull
Shonisaurus skeleton, Nevada State Museum
Restoration
Hupehsuchus
Shastasaurus
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Shastasaurus is an extinct genus of ichthyosaur from the Late Triassic. Specimens have been found in the United States, Canada, and China.
Shonisaurus
…named Shonisaurus sikanniensis in 2004. However, a phylogenetic study by Sander and colleagues in 2011 later showed S. sikanniensis to be a species of Shastasaurus rather than Shonisaurus. A subsequent study by Ji and colleagues published in 2013 reasserted the original classification, finding it more closely…
Shastasaurus pacificus
Restoration of S. pacificus
S. sikanniensis specimen, Royal Tyrrell Museum