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†unranked clade Merriamosauria Motani 1999 (ichthyosaur)

Ichthyopterygia - Ichthyosauria

PaleoDB taxon number: 170541

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

Sister taxa: Longipinnati, Mixosauridae

Subtaxa: Besanosauridae, Californosauridae, Euichthyosauria, Guanlingsauridae, Merriamosauridae, Shastasauria, Shastasauridae, Shonisauridae, Thalattoarchon

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Ecology: nektonic carnivore