Classification of Motani 1999

Cl. Reptilia Laurenti 1768 [reptile]
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Invalid names: Pessopteryx arctica Wiman 1910 [nomen dubium], Pessopteryx pinguis Wiman 1910 [nomen dubium], Svalbardosaurus Mazin 1981 [nomen dubium], Svalbardosaurus crassidens Mazin 1981 [nomen dubium]
Unr. Diapsida Osborn 1903 [diapsid]
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Or. †Ichthyopterygia Owen 1840
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Unr. †Eoichthyosauria Motani 1999
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Unr. †Grippidia Wiman 1929
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G. †Chaohusaurus Young and Dong 1972
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Invalid names: Chaosaurus Young and Dong 1972 [misspelling]
G. †Grippia Wiman 1929
Unr. †Ichthyosauria de Blainville 1835 [ichthyosaur]
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G. †Cymbospondylus Leidy 1868
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†Cymbospondylus buchseri Sander 1989
Unr. †Merriamosauria Motani 1999
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Invalid names: Euichthyosauria Motani 1999 [empty], Shastasauria Motani 1999 [empty]
Subor. †Mixosauria Motani 1999
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G. †Mixosaurus Baur 1887
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†Mixosaurus atavus Quenstedt 1852
†Mixosaurus cornalianus Bassani 1886
Invalid names: Mixosaurus maotaiensis Young 1965 [nomen dubium]
G. †Parvinatator Nicholls and Brinkman 1995
G. †Utatsusaurus Shikama and Kamei 1978
G. †Isfjordosaurus Motani 1999
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†Isfjordosaurus minor Motani 1999