Classification of Cope 1869
G. †Plesiosaurus de la Beche and Conybeare 1821
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†Plesiosaurus lockwoodii Cope 1869
Subor. †Sauropterygia Owen 1859
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G. †Elasmosaurus Cope 1868
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†Elasmosaurus orientalis Cope 1869
†Elasmosaurus platyurus Cope 1868
Or. Dinosauria Owen 1842 [dinosaur]
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Subor. †Orthopoda Cope 1866
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Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
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G. †Hadrosaurus Leidy 1858
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†Hadrosaurus foulkii Leidy 1858
†Hadrosaurus mirabilis Leidy 1856
†Hadrosaurus occidentalis Leidy 1856
Fm. †Iguanodontidae Bonaparte 1850 [iguanodontid]
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G. †Hylaeosaurus Mantell 1833
G. †Iguanodon Mantell 1825
Invalid names: Scelidosauridae Cope 1869 [empty]
Invalid names: Goniopoda Cope 1866 [empty]
G. †Holops Cope 1869
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†Holops brevispinus Cope 1867
†Holops cordatus Cope 1869
†Holops glyptodon Cope 1869
†Holops obscurus Leidy 1865
†Holops tenebrosus Leidy 1865
G. †Thecachampsa Cope 1867
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†Thecachampsa sericodon Cope 1867
†Thecachampsa sicaria Cope 1869
Or. †Ganocephala Owen 1859
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G. †Colosteus Cope 1869
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†Colosteus crassiscutatus Cope 1869
†Colosteus foveatus Cope 1869
†Colosteus marshii Cope 1869
Subor. †Microsauria Dawson 1863
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