Classification of Cooper 1981
Or. Archosauria Cope 1869 [archosaur]
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Or. Dinosauria Owen 1842 [dinosaur]
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Or. Saurischia Seeley 1888 [saurischian]
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Infraor. †Prosauropoda Huene 1920 [prosauropod]
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Fm. †Anchisauridae Marsh 1885 [anchisaurid]
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Invalid names: Ammosauridae Huene 1914 [synonym], Amphisauridae Marsh 1882 [synonym], Gryponichidae Huene 1932 [synonym], Massospondylidae Huene 1914 [synonym], Plateosauridae Marsh 1895 [synonym], Sellosauridae Huene 1908 [synonym], Thecodontosauridae Lydekker 1890 [synonym], Yunnanosauridae Young 1942 [synonym]
Subor. †Proterosuchia Broom 1906
G. †Herrerasaurus Reig 1963
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Invalid names: Ischisaurus Reig 1963 [synonym], Staurikosaurus Colbert 1970 [synonym]
G. †Euskelosaurus Huxley 1866
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Invalid names: Eucnemesaurus Van Hoepen 1920 [synonym], Melanorosaurus Haughton 1924 [synonym], Orinosaurus Lydekker 1889 [synonym], Orosaurus Huxley 1866 [synonym], Plateosauravus Huene 1932 [synonym]
G. †Massospondylus Owen 1854
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†Massospondylus huenei Young 1940
Invalid names: Aetonyx Broom 1911 [synonym], Aristosaurus Van Hoepen 1920 [synonym], Dromicosaurus Van Hoepen 1920 [synonym], Gryponyx Broom 1911 [synonym], Gyposaurus Broom 1911 [synonym], Hortalotarsus Seeley 1894 [synonym], Leptospondylus Owen 1854 [synonym], Lufengosaurus Young 1940 [synonym], Pachyspondylus Owen 1854 [synonym]
G. †Plateosaurus Meyer 1837
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Invalid names: Dimodosaurus Pidancet and Chopard 1862 [synonym], Gresslyosaurus Rütimeyer 1856 [synonym], Pachysaurus Huene 1905 [synonym], Sellosaurus Huene 1905 [synonym]
G. †Riojasaurus Bonaparte 1969
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Invalid names: Strenusaurus Bonaparte 1969 [synonym]
Or. Crocodilomorphi Hay 1930 [crocodilian]
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Or. Crocodylia Owen 1842 [crocodilian]
Subor. †Pseudosuchia Zittel 1890
†Massospondylus carinatus Owen 1854
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Invalid names: Aetonyx palustris Broom 1911 [synonym], Aristosaurus erectus Van Hoepen 1920 [synonym], Dromicosaurus gracilis Van Hoepen 1920 [synonym], Gryponyx taylori Haughton 1924 [synonym], Gryponyx transvaalensis Broom 1912 [synonym], Gyposaurus capensis Broom 1911 [synonym], Hortalotarsus skirtopodus Seeley 1892 [synonym], Leptospondylus capensis Owen 1854 [synonym], Massospondylus browni Seeley 1892 [synonym], Massospondylus harriesi Broom 1911 [synonym], Massospondylus schwarzi Haughton 1924 [synonym], Pachyspondylus orpenii Owen 1854 [synonym], Thecodontosaurus browni Seeley 1892 [synonym], Thecodontosaurus dubius Haughton 1924 [synonym], Thecodontosaurus minor Haughton 1918 [synonym]