†unranked clade Merriamosauria Motani 1999 (ichthyosaur)

Reptilia - Ichthyosauria

Full reference: R. Motani. 1999. Phylogeny of the Ichthyopterygia. Journal of Vertebrate Paleontology 19(3):473-496

Parent taxon: Hueneosauria according to B. C. Moon 2017

See also Maisch 2010, Maisch and Matzke 2000, Maisch et al. 2006, McGowan and Motani 2003 and Motani 1999

Sister taxa: Longipinnati, Merriamosauriformes, Mixosauridae

Subtaxa: Besanosauridae Californosauridae Euichthyosauria Guanlingsauridae Merriamosauridae Shastasauria Shastasauridae Shonisauridae Thalattoarchon

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Ecology: nektonic carnivore

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