Classification of Marsh 1890

Or. Theropoda Marsh 1881 [theropod]
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Fm. †Dryptosauridae Marsh 1890
Fm. †Megalosauridae Fitzinger 1843
Subor. †Ornithopoda Marsh 1881 [bird foot dinosaur]
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Fm. †Claosauridae Marsh 1890
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G. †Claosaurus Marsh 1890
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Claosaurus agilis Marsh 1872
Fm. †Ornithomimidae Marsh 1890 [ornithomimid]
Fm. †Trachodontidae Lydekker 1888
Subor. †Ceratopsia Marsh 1890
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Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
Fm. †Nodosauridae Marsh 1890
G. †Triceratops Marsh 1889
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Triceratops sulcatus Marsh 1890
G. †Trachodon Leidy 1856
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Trachodon longiceps Marsh 1890