Full reference: M. W. Maisch and A. T. Matzke. 2000. The Ichthyosauria. Stuttgarter Beitrage zur Naturkunde, Serie B (Geologie und Palaontologie) 298:1-159
Parent taxon: Ichthyosauria according to B. C. Moon 2017
See also Ji et al. 2016, Maisch 2010, Maisch and Matzke 2000, Maisch and Matzke 2006, McGowan and Motani 2003 and Moon 2019
Sister taxa: Baracromia, Cetarthrosaurus, Ghuizhouichthyosaurus, Grippiidae, Guanlingichthyosaurus, Ichthyosauroidea, Ichthyosaurus australis, Ichthyosaurus polyptychodon, Ichthyosaurus strombecki, Isfjordosaurus, Latipinnatoidea, Longipinnatoidea, Mixosauria, Naanchangasaurus, Omphalosauridae, Parvinatatoridae, Parvipelvia, Pessosaurus, Proteosauridae, Quasianosteosauridae, Rachitrema, Shastosauroidea, Sphaerodontes, Stenopterygius grandis, Thaisauridae, Thunnosauria, Utatsusauridae
Subtaxa: Longipinnati Merriamosauria Merriamosauriformes Mixosauridae
Ecology: nektonic carnivore