Classification of Delair 1960

Or. †Sauropterygia Owen 1861
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Subor. †Plesiosauria de Blainville 1835 [plesiosaur]
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Superfm. †Plesiosauroidea Welles 1943
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Fm. †Cimoliosauridae Delair 1959
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G. †Cimoliosaurus Leidy 1851
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Cimoliosaurus brevior Lydekker 1889
G. †Colymbosaurus Seeley 1874
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Colymbosaurus manseli Hulke 1870
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Invalid names: Plesiosaurus biangulatus Cope 1870 [synonym], Plesiosaurus carinatus Cuvier 1824 [synonym], Plesiosaurus winspitensis Seeley 1871 [synonym]
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Invalid names: Plesiosaurus affinis Owen 1840 [synonym]
G. †Cryptocleidus Seeley 1892
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Cryptocleidus eurymerus Phillips 1871
Cryptocleidus richardsoni Lydekker 1889
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Invalid names: Plesiosaurus plicatus Mansel-Pleydell 1888 [synonym]
G. †Muraenosaurus Seeley 1874
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Muraenosaurus plicatus Phillips 1871
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Invalid names: Plesiosaurus hexagonalis Phillips 1871 [synonym], Plesiosaurus infraplanus Phillips 1871 [synonym]
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Invalid names: Plesiosaurus doedicomus Owen 1840 [synonym], Plesiosaurus subdepressus Owen 1854 [synonym]
Fm. †Elasmosauridae Cope 1869 [elasmosaur]
Fm. †Plesiosauridae Gray 1825
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G. †Eretmosaurus Seeley 1874
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Eretmosaurus dubius Tate and Blake 1876
Eretmosaurus rugosus Owen 1840
G. †Eurycleidus Andrews 1922
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Eurycleidus megacephalus Stutchbury 1846
G. †Plesiosaurus de la Beche and Conybeare 1821
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Plesiosaurus conybeari Sollas 1881
Plesiosaurus costatus Owen 1840
Plesiosaurus dolichodeirus Conybeare 1824
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Invalid names: Plesiosaurus cliduchus Seeley 1865 [synonym], Plesiosaurus homei Gray 1831 [synonym]
Plesiosaurus hawkinsi Owen 1840
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Invalid names: Plesiosaurus etheridgei Huxley 1858 [synonym], Plesiosaurus hexatarsostinus Hawkins 1840 [synonym], Plesiosaurus pentatarsostinus Hawkins 1834 [synonym], Plesiosaurus triotarsostinus Hawkins 1834 [synonym]
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Invalid names: Plesiosaurus brachycephalus Owen 1840 [synonym]
Plesiosaurus macromus Owen 1840
Invalid names: Plesiosaurus laticeps Owen 1867 [nomen nudum]
Invalid names: Plesiosaurus planispondylus Damon 1860 [nomen nudum]
Superfm. †Pliosauroidea Welles 1943
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Fm. †Pliosauridae Seeley 1874
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G. †Pliosaurus Owen 1841
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Invalid names: Plesiosaurus giganteus Conybeare 1824 [synonym], Plesiosaurus recentior Parkinson 1822 [synonym]
Pliosaurus ferox Sauvage 1873
Pliosaurus macromerus Phillips 1871
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Invalid names: Ischyrodon meriani Meyer 1838 [synonym]
Fm. †Polycotylidae Williston 1908
Invalid names: Plesiosaurus platydeirus Seeley 1869 [nomen nudum]
Or. Saurischia Seeley 1888 [saurischian]
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Subor. †Sauropoda Marsh 1878 [sauropod]
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Fm. †Brachiosauridae Riggs 1904 [brachiosaurid]
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G. †Ornithopsis Seeley 1870
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Ornithopsis humerocristatus Lydekker 1888
Ornithopsis leedsi Hulke 1887
Ornithopsis manseli Lydekker 1888
Invalid names: Chondrosteosaurus Owen 1876 [synonym], Eucamerotus Hulke 1871 [synonym], Ischyrosaurus Hulke 1874 [synonym]
Fm. †Cetiosauridae Lydekker 1888 [cetiosaurid]
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G. †Cetiosaurus Owen 1841
Subor. Theropoda Marsh 1881 [theropod]
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Infraor. †Carnosauria Huene 1920 [carnosaur]
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Fm. †Megalosauridae Fitzinger 1843
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G. †Megalosaurus Parkinson 1822
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Megalosaurus bucklandi Mantell 1827
Megalosaurus parkeri Huene 1923
G. †Nuthetes Owen 1854
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Nuthetes destructor Owen 1854
Infraor. Coelurosauria Huene 1914 [coelurosaur]
Fm. †Megalosaurinidae Fitzinger 1843
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G. †Zanclodon Plieninger 1846
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Invalid names: Dinosaurus Rütimeyer 1856 [synonym], Gresslyosaurus Rütimeyer 1856 [synonym], Teratosaurus Meyer 1861 [synonym]
G. †Altispinax Huene 1923
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Altispinax dunkeri Dames 1884
Or. †Ornithischia Seeley 1888 [ornithischian]
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Subor. †Ornithopoda Marsh 1881 [bird foot dinosaur]
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Fm. †Iguanodontidae Bonaparte 1850 [iguanodontid]
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G. †Cryptodraco Lydekker 1889
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Cryptodraco eumerus Seeley 1875
Invalid names: Cryptosaurus Seeley 1875 [synonym]
G. †Iguanodon Mantell 1825
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Iguanodon dawsoni Lydekker 1888
Iguanodon hoggi Owen 1874
Iguanodon mantelli Meyer 1832
Subor. †Stegosauria Marsh 1877
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G. †Dacentrurus Lucas 1902
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Dacentrurus armatus Marsh 1877
Invalid names: Omosaurus Owen 1875 [synonym]
G. †Echinodon Owen 1861
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Echinodon becklesi Owen 1861
G. †Scelidosaurus Owen 1861
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G. †Stegosaurus Marsh 1877
Liopleurodon ferox Sauvage 1873
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Invalid names: Thaumatosaurus mosquensis Kiprijanoff 1883 [synonym]