Classification of Andrews 1910
Subor. †Sauropterygia Owen 1859
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Subor. †Plesiosauria de Blainville 1835 [plesiosaur]
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Fm. †Elasmosauridae Cope 1869 [elasmosaur]
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G. †Muraenosaurus Seeley 1874
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†Muraenosaurus durobrivensis Lydekker 1889
†Muraenosaurus leedsi Seeley 1874
Invalid names: Muraenosaurus plicatus Phillips 1871 [nomen dubium]
Fm. †Ophthalmosauridae Andrews 1910
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G. †Ophthalmosaurus Seeley 1874
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†Ophthalmosaurus icenicus Seeley 1874
Invalid names: Baptanodon Seeley 1874 [synonym], Microdontosaurus Gilmore 1902 [synonym], Sauranodon Marsh 1879 [synonym]