Shastasaurus
| Shastasaurus Temporal range: Late Triassic,  | |
|---|---|
| Partial skull of Shastasaurus pacificus (UCMP 9017) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Reptilia | 
| Order: | †Ichthyosauria | 
| Suborder: | †Longipinnati | 
| Node: | †Merriamosauria | 
| Family: | †Shastasauridae Merriam, 1895 | 
| Genus: | †Shastasaurus Merriam, 1895 | 
| Type species | |
| †Shastasaurus pacificus Merriam, 1895 | |
| Species | |
| †S. pacificus  | |
| Synonyms | |
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Shastasaurus ("Mount Shasta lizard") is an extinct genus of ichthyosaur from the Late Triassic. Specimens have been found in the United States, Canada, and China.