Reptilia - Ichthyosauria

Parent taxon: Ichthyosauria according to J. J. Sepkoski 2002

Sister taxa: Apatodonosaurus, Baptanodontidae, Chonespondylus, Ghuizhouichthyosaurus, Grippiidae, Guanlingichthyosaurus, Hueneosauria, Isfjordosaurus, Mixosauridae, Naanchangasaurus, Omphalosauridae, Parvinatatoridae, Platypterygiidae, Proteosauridae, Quasianosteosauridae, Shastosauroidea, Thaisauridae, Undorosauridae, Utatsusauridae

Subtaxa: Svalbardosaurus crassidens

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Ecology: nektonic carnivore