†superfamily Shastosauroidea Tatarinov 1964 (ichthyosaur)
Parent taxon: Ichthyosauria according to V. M. Efimov 1999
Sister taxa: Baracromia, Cetarthrosaurus, Ghuizhouichthyosaurus, Grippiidae, Guanlingichthyosaurus, Hueneosauria, Ichthyosauroidea, Ichthyosaurus australis, Ichthyosaurus polyptychodon, Ichthyosaurus strombecki, Isfjordosaurus, Latipinnatoidea, Longipinnatoidea, Mixosauria, Naanchangasaurus, Omphalosauridae, Parvinatatoridae, Parvipelvia, Pessosaurus, Proteosauridae, Quasianosteosauridae, Rachitrema, Sphaerodontes, Stenopterygius grandis, Thaisauridae, Thunnosauria, Utatsusauridae
Subtaxa: Undorosauridae
Ecology: nektonic carnivore
Distribution: there are no occurrences of Shastosauroidea in the database