Ichthyosaur species Valid taxa Acamptonectes Fischer et al., 2012: Acamptonectes densus Fischer et al., 2012, Lower Cretaceous, England, Germany. Aegirosaurus Bardet and Fernández, 2000: Aegirosaurus leptospondylus (Wagner 1853), Upper Jurassic Lower Cretaceous?, Germany, Austria. Arthropterygius Maxwell, 2010: Arthropterygius chrisorum (Russell, 1993), Upper Jurassic, Canada, Argentina?. Athabascasaurus Druckenmiller and Maxwell, 2010: Athabascasaurus bitumineus Druckenmiller and Maxwell, 2010, Lower Cretaceous, Canada. Barracudasauroides Maisch, 2010: Barracudasauroides panxianensis (Jiang et al., 2006), Middle Triassic, China. Besanosaurus Dal Sasso and Pinna, 1996: Besanosaurus leptorhynchus Dal Sasso and Pinna, 1996, Middle Triassic, Italy, Switzerland. Brachypterygius Huene, 1922: Brachypterygius extremus (Boulenger, 1904), Upper Jurassic, Engand; Brachypterygius mordax (McGowan, 1976), Upper Jurassic, England; Brachypterygius pseudoscythius (Efimov, 1998), Upper Jurassic, Russia; Brachypterygius alekseevi (Arkhangelsky, 2001), Upper Jurassic, Russia; Brachypterygius cantabridgiensis (Lydekker, 1888a), Lower Cretaceous, England. Californosaurus Kuhn, 1934: Californosaurus perrini (Merriam, 1902), Upper Triassic USA. Callawayia Maisch and Matzke, 2000: Callawayia neoscapularis (McGowan, 1994), Upper Triassic, Canada. Caypullisaurus Fernández, 1997: Caypullisaurus bonapartei Fernández, 1997, Upper Jurassic, Argentina. Chaohusaurus Young and Dong, 1972: Chaohusaurus geishanensis Young and Dong, 1972, Lower Triassic, China; Chaohusaurus zhangjiawanensis Chen et al., 2013, Lower Triassic, China. Contectopalatus Maisch and Matzke, 1998b: Contectopalatus atavus (Quenstedt, 1852), Middle Triassic, Germany. Cryopterygius Druckenmiller et al., 2012: Cryopterygius kristiansenae Druckenmiller et al., 2012, Upper Jurassic, Svalbard. Cymbospondylus Leidy, 1868: Cymbospondylus piscosus Leidy, 1868, Middle Triassic, USA; Cymbospondylus petrinus Leidy, 1868 (questionable), Middle Triassic, USA; Cymbospondylus buchseri Sander, 1989, Middle Triassic, Switzerland; Cymbospondylus nichollsi Fröbisch, Sander and Rieppel, 2006, Middle Triassic, USA. Eurhinosaurus Abel, 1909: Eurhinosaurus longirostris (Mantell, 1851), Lower Jurassic, Germany, England, France, Luxembourg. Excalibosaurus McGowan, 1986: Excalibosaurus costini McGowan, 1986, Lower Jurassic, England. Grippia Wiman, 1929: Grippia longirostris Wiman, 1929, Lower Triassic, Svalbard, Canada. Guizhouichthyosaurus Yin et al., 2000: Guizhouichthyosaurus tangae Yin et al., 2000, possibly synonymous with Shastasaurus, Upper Triassic, China; Guizhouichthyosaurus wolongangensis (Chen, Cheng and Sander, 2007), Upper Triassic, China. Gulosaurus Cuthbertson, Russell and Anderson, 2013: Gulosaurus helmi Cuthbertson, Russell and Anderson, 2013, Lower Middle Triassic, Canada. Hauffiopteryx Maisch, 2008: Hauffiopteryx typicus Maisch, 2008, Lower Jurassic, Germany, England, Luxembourg. Himalayasaurus Young and Dong, 1972: Hamalayasaurus tibetensis Young and Dong, 1972, Upper Triassic, Tibet. Hudsonelpidia McGowan, 1995: Hudsonelpidia brevirostris McGowan, 1995, Upper Triassic, Canada. Ichthyosaurus König, 1818: Ichthyosaurus communis Conybeare, 1822, Lower Jurassic, England, Belgium, Switzerland; Ichthyosaurus intermedius Conybeare, 1822, Lower Jurassic, England; Ichthyosaurus breviceps Owen, 1881, Lower Jurassic, England; Ichthyosaurus conybeari Lydekker,
1888b, Lower Jurassic, England. Ichthyosaurus acutirostris Owen, 1840: this taxon is in need of restudy and revision; specimens assigned to this taxon likely form a paraphyletic assemblage from several other valid taxa (Maisch 2010). Isfjordosaurus Motani, 1999: Isfjordosaurus minor (Wiman, 1910), Lower Triassic, Svalbard. Leninia Fischer et al., 2013: Leninia stellans Fischer et al., 2013, Lower Cretaceous, Russia. Leptonectes McGowan, 1996b: Leptonectes tenuirostris (Conybeare, 1822), Lower Jurassic, England, Germany, Switzerland, Belgium; Leptonectes solei (McGowan, 1993), Lower Jurassic, England; Leptonectes moorei McGowan and Milner, 1999, Lower Jurassic, England. Macgowania Motani, 1999: Macgowania janiceps (McGowan, 1996a), Upper Triassic, Canada. Maiaspondylus Maxwell and Caldwell, 2006: Maiaspondylus lindoei Maxwell and Caldwell, 2006, Lower Cretaceous, Canada. Malawania Fischer et al., 2013: Malawania anachronus Fischer et al., 2013, Lower Cretaceous, Iraq. Mikadocephalus Maisch and Matzke, 1997: Mikadocephalus gracilirostris Maisch and Matzke, 1997, Middle Triassic, Switzerland, Svalbard. Mixosaurus Baur, 1887: Mixosaurus cornalianus (Bassani, 1886),Middle Triassic, Switzerland, Italy; Mixosaurus kuhnschnyderi (Brinkmann, 1998), Middle Triassic, Switzerland. Mollesaurus Fernández, 1999: Mollesaurus periallus Fernández, 1999, Middle Jurassic, Argentina, possibly a junior synonym of Ophthalmosaurus. Nannopterygius Huene, 1922: Nannopterygius enthekiodon (Hulke, 1871), Upper Jurassic, England, Germany. Omphalosaurus Merriam, 1906: Omphalosaurus nevadanus Merriam, 1906, Middle Triassic, USA; Omphalosaurus nettarhynchus Mazin, 1987, Middle Triassic, USA; Omphalosaurus peyeri Maisch and Lehmann, 2002, Middle Triassic, Germany; Omphalosaurus wolfi Tichy, 1995, Middle Triassic Germany; Omphalosaurus merriami Maisch, 2010, Lower Triassic, Svalbard. Ophthalmosaurus Seeley, 1874: Ophthalmosaurus icenicus Seeley, 1874, Middle Upper Jurassic, England, France; Ophthalmosaurus natans (Marsh, 1879), Upper Jurassic, USA; Ophthalmosaurus saveljeviensis (Arkhangelsky, 1997), Upper Jurassic, Russia; Ophthalmosaurus yasikovi (Efimov, 1999a), Upper Jurassic, Russia. Palvennia Druckenmiller et al., 2012: Palvennia hoybergeti Druckenmiller et al., 2012, Upper Jurassic, Svalbard. Parvinatator Nicholls and Brinkman, 1995: Parvinatator wapitiensis Nicholls and Brinkman, 1995, Lower Triassic, Canada. Pessopteryx Wiman, 1910: Pessopteryx nisseri Wiman, 1910, Lower Triassic, Svalbard. Phalarodon Merriam, 1910: Phalarodon fraasi Merriam, 1910, Lower Middle Triassic, Canada, Middle Triassic, Switzerland, Svalbard; Phalarodon major (Huene, 1916), Middle Triassic, Germany, Switzerland; Phalarodon callawayi (Schmitz et al., 2004), Middle Triassic, USA, Svalbard. Phantomosaurus Maisch and Matzke, 2000: Phantomosaurus neubigi (Sander, 1997), Middle Triassic, Germany. Platypterygius Huene, 1922: Platypterygius platydactylus (Broili, 1908), Lower Cretaceous, Germany; Platypterygius australis (M'Coy, 1867), Lower Cretaceous, Australia; Platypterygius hauthali (Huene, 1927), Lower Cretaceous, Argentina; Platypterygius americanus (Nace, 1939), Lower Cretaceous, USA; Platypterygius hercynicus Kuhn, 1946, Lower Cretaceous, Germany; Platypterygius kiprijannofi Romer, 1968, Lower Cretaceous, Russia; Platypterygius birjukovi Otschev and Efimov, 1985, Lower Cretaceous, Russia; Platypterygius bedengensis (Efimov, 1997), Lower Cretaceous, Russia; Platypterygius sachicarum Páramo, 1997, Lower Cretaceous, Colombia; Platypterygius bannovkenis Arkhangelsky, 1998, Upper Cretaceous, Russia; Platypterygius ochevi Arkhangelsky et al., 2008, Lower (Upper?) Cretaceous, Russia. Qianichthyosaurus Li, 1999: Qianichthyosaurus zhoui Li, 1999, Upper Triassic, China. Quasianosteosaurus Maisch and Matzke, 2003: Quasianosteosaurus vikinghoegdai Maisch and Matzke, 2003, Lower Triassic, Svalbard. Shastasaurus Merriam, 1895: Shastasaurus pacificus Merriam, 1895, Upper Triassic, USA; Shastasaurus alexandrae Merriam, 1902, Upper Triassic, USA; Shastasaurus liangae (Yin et al., 2000), Upper Triassic, China; Shastasaurus sikkaniensis (Nicholls and Manabe, 2004), Upper Triassic, USA. 2
Shonisaurus Camp, 1976: Shonisaurus popularis Camp, 1976, Upper Triassic, USA. Stenopterygius Jaekel, 1904: Stenopterygius quadriscissus (Quenstedt, 1858), Lower Jurassic, Germany, Luxembourg, France; Stenopterygius triscissus (Quenstedt, 1858), Lower Jurassic, England, France, Germany, Luxembourg, Belgium, Switzerland?; Stenopterygius uniter Huene, 1931, Lower Jurassic, Germany; Stenopterygius aaleniensis Maxwell, Fernández and Schoch, 2012, Middle Jurassic, Germany; Stenopterygius cayi (Fernández, 1994), Middle Jurassic, Argentina. Suevoleviathan Maisch, 1998: Suevoleviathan disinteger (Huene, 1926), Lower Jurassic, Germany; Suevoleviathan integer (Bronn, 1844), Lower Jurassic, Germany. Sveltonectes Fischer et al., 2011: Sveltonectes insolitus Fischer et al., 2011, Lower Cretaceous, Russia. Temnodontosaurus Lydekker, 1889: Temnodontosaurus platyodon (Conybeare, 1822), Lower Jurassic, England, Germany, Belgium; Temnodontosaurus trigonodon (Theodori, 1843), Lower Jurassic, Germany, France; Temnodontosaurus crassimanus (Blake, 1876), Lower Jurassic, England; Temnodontosaurus nuertingensis (Huene, 1931), Lower Jurassic, Germany; Temnodontosaurus eurycephalus (McGowan, 1974), Lower Jurassic, England; Temnodontosaurus azerguensis (Martin et al., 2012), Lower Jurassic, France. Thaisaurus Mazin et al., 1991: Thaisaurus chonglakmanii Mazin et al., 1991, Lower Triassic, Thailand. Thalattoarchon Fröbisch et al., 2013: Thalattoarchon saurophagis Fröbisch et al., 2013, Middle Triassic, USA. Tholodus Meyer, 1851: Tholodus schmidi Meyer, 1851, Middle Triassic, Germany, China?. Toretocnemus Merriam, 1903: Toretocnemus californicus Merriam, 1903, Upper Triassic, USA; Toretocnemus zitteli Merriam, 1903, Upper Triassic, USA. Undorosaurus Efimov, 1999b: Undorosaurus gorodischensis Efimov, 1999b, Upper Jurassic, Russia. Utatsusaurus Shikama, Kamei and Murata, 1978: Utatsusaurus hataii Shikama, Kamei and Murata, 1978, Lower Triassic, Japan, Canada. Wimanius Maisch and Matzke, 1998a: Wimanius odontopalatus Maisch and Matzke, 1998a, Middle Triassic, Switzerland. Xinminosaurus Jiang et al., 2008: Xinminosaurus catactes Jiang et al., 2008, possibly synonymous with Tholodus schmidi. 3
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