Full reference: R. Motani. 1999. Phylogeny of the Ichthyopterygia. Journal of Vertebrate Paleontology 19(3):473-496
Parent taxon: Ichthyosauria according to R. D. Meyerkort et al. 2025
See also Barrientos-Lara and Alvarado-Ortega 2020, Campos et al. 2020, Delsett et al. 2017, Fischer 2016, Fischer et al. 2013, Ji et al. 2016, Maisch 2010, Maisch and Matzke 2000, Moon 2017, Moon 2019, Motani 1999 and Pérez et al. 2015
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, Shastosauroidea, Sphaerodontes, Stenopterygius grandis, Thaisauridae, Utatsusauridae
Subtaxa: Ichthyosauridae Malawania Stenopterygiidae Stenopterygius
Ecology: nektonic carnivore
Distribution:
• Cretaceous of Germany (1 collection), Iraq (1), the Russian Federation (1), the United Kingdom (3)
• Jurassic to Cretaceous of United States (2: California)
• Jurassic of Argentina (1), Belgium (2), Canada (2: Alberta, British Columbia), Chile (7), France (11), Germany (15), Greenland (1), Luxembourg (2), Mexico (1), Switzerland (2), the United Kingdom (33), United States (1: Oregon)
• Triassic to Jurassic of the United Kingdom (5)
• Triassic of Belgium (2), Chile (1), France (4), Germany (2), the United Kingdom (3), United States (4: Nevada)
Total: 107 collections including 155 occurrences