Reptilia - Ichthyosauria - Shastasauridae
Parent taxon: Merriamosauria according to M. W. Maisch 2010
See also Carroll 1988, Hay 1930, Ji et al. 2013, Ji et al. 2016, Kuhn 1946, Kuhn 1971, Lomax et al. 2024, Massare and Callaway 1994, Mcgowan 1994, McGowan and Motani 2003, Motani 1999, Sander 2000 and von Huene 1951
Sister taxa: Besanosauridae, Californosauridae, Euichthyosauria, Guanlingsauridae, Merriamosauridae, Shastasauria, Shonisauridae, Thalattoarchon
Subtaxa: Guanlingsaurus Guizhouichthyosaurus Ichthyosaurus carinatus Ichthyosaurus rheticus Ichthyotitan Metashastasaurus Shastasaurinae Shastasaurus Shastasaurus sieversi Shonisaurus
Ecology: nektonic carnivore
Distribution:
• Triassic of Austria (1 collection), Canada (5: British Columbia), China (7), France (5), Germany (1), Italy (2), Mexico (2), New Zealand (1), Switzerland (1), the United Kingdom (1), United States (7: California, Nevada, Oregon)
Total: 33 collections including 40 occurrences