Classification of Rapp 1944

G. †Thoracosaurus Leidy 1852
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Or. Dinosauria Owen 1842 [dinosaur]
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Fm. †Dinodontidae Cope 1866
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G. †Clepsysaurus Lea 1851
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G. †Dryptosaurus Marsh 1877
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Invalid names: Laelaps Cope 1866 [replaced]
Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
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G. †Hadrosaurus Leidy 1858
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†Hadrosaurus cavatus Cope 1871
†Hadrosaurus foulkii Leidy 1858
†Hadrosaurus minor Marsh 1870
G. †Ornithotarsus Cope 1869
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†Ornithotarsus immanis Cope 1869
G. †Pneumatoarthrus Cope 1870
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Fm. †Ornithomimidae Marsh 1890 [ornithomimid]
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G. †Coelosaurus Leidy 1865
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†Coelosaurus antiquus Leidy 1865
†Tylosaurus rapax Hay 1902
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Invalid names: Liodon validus Cope 1868 [synonym]