There is no official, canonical list of ichthyosauromorph genera but one of the most thorough attempts can be found at the "Ichthyosauromorpha" section of Mikko Haaramo's Phylogeny Archive.
Technical terms used include: Acamptonectes[2] Fischer et al. 2012 Valid eK[2] to lK[2] Actiosaurus Sauvage 1883 Disputed Acuetzpalin[3] et al. Aegirosaurus[4] Bardet Fernández 2000 Valid lJ[4] Europe[4] A 2 meter long[4] ophthalmosaurid[5] whose remains were discovered in the Solnhofen limestone and mistaken for a new Ichthyosaurus species.
Chaohusaurus[1][9] Young Dong 1972 Valid eT[9] Asia A primitive ichthyosaur that retained a lizard-like body discovered in Chaohu, China.
Eretmorhipis[20] Chen et al. 2015 eT Asia Eurhinosaurus[9][13] Abel 1909 Valid eJ[9] Europe A genus exceeding 6 m in length[12] from the Sinemurian to Toarcian of England and Germany.
Eurhinosaurus was built like a regular ichthyosaur, with a fish-like body including a large eyes, dorsal and caudal fins, but had one distinct feature that set it apart from other ichthyosaurs; its upper jaw was twice as long as the lower jaw and covered with sidewards-pointing 'teeth', like a sawfish's.
Guizhouichthyosaurus Cao Luo 2000 lT Asia Gulosaurus[21] Cuthbertson et al. 2013 Valid eT[21] N. America[21] A grippidian.
[21] Hauffiopteryx Maisch 2008 eJ Europe Himalayasaurus Young Dong 1972 lT Asia Hudsonelpidia McGowan 1995 Valid lT[9] Hupehsuchus[1] Carroll Dong 1991 Valid mT Asia Non-ichthyosaur ichthyopterygian from the mT of China.
Ichthyosaurus[9][13] De la Beche Conybeare 1821 eJ[9] Isfjordosaurus Motani 1999 Valid Non-ichthyosaur ichthyopterygian.
Leptonectes McGowan 1996 Valid Europe[12] Lived from the Rhaetian to Pliensbachian in what is now Belgium, England and Germany.
Mikadocephalus[14][30] Maisch Matzke 1998 Europe[30] Mixosaurus[9][14] Baur 1887 mT[9] Mollesaurus Fernandez 1999 mJ S. America Myopterygius von Huene 1922 Synonym of Platypterygius.
Pachygonosaurus von Huene 1916 Nomen dubium Palvennia [18] Druckenmiller et al. 2012 Valid lJ[18] Europe[18] Panjiangsaurus Chen Chang 2003 Jr. synonym
[31][32] Parahupehsuchus Chen et al. 2014 Valid eT Asia Paraophthalmosaurus Arkhangelsky 1997 Junior synonym of Ophthalmosaurus.
Qianichthyosaurus Li 1999 Quasianosteosaurus Maisch Matzke 2003 Valid eT Europe Sangiorgiosaurus Brinkmann 1998 Sclerocormus Jiang et al. 2016 Non-ichthyosaur ichthyopterygian.
[31] Shonisaurus Camp 1976 Valid lT[9] ?Asia N. America One of the largest ichthyosaur genera that has yet been found.
It lived during the Norian stage of the late Triassic period and had a long pointed mouth that contained teeth only at the front end.
[35] Stenopterygius Jaekel 1904 eJ[9] Europe Lived from the Toarcian to Aalenian from England, France, Germany and Luxembourg.
This proved that ichthyosaur infants were born tail-first, just like cetaceans, to prevent them from drowning before fully clearing the birth canal.
[12] Temnodontosaurus eyes were approximately 20 cm (7.9 in) in diameter making them the largest of any known vertebrate[citation needed].
Martill et al. Tholodus von Meyer 1851 Valid mT Possibly Asia Europe Toretocnemus Merriam 1902 lT[9] Typicusichthyosaurus Yin et al. 2000 Undorosaurus Efimov 1997 lJ Russia Utatsusaurus[1][9] Shikoma 1978 eT[9] Non-ichthyosaur ichthyopterygian.