Classification of Cope 1878

Or. †Isospondyli Cope 1887
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Fm. †Dapediidae Cope 1877
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G. †Dapedius Leach 1822
G. †Platysomus Agassiz 1833
G. †Tetragonolepis Bronn 1830
Fm. †Pycnodontidae Agassiz 1833
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G. †Gyrodus Agassiz 1833
G. †Mesodon Wagner 1851
G. †Microdon Agassiz 1833
G. †Pycnodus Agassiz 1833
Invalid names: Lepidotidae Owen 1860 [empty], Sauropsidae Cope 1877 [empty]
Or. †Docopteri Cope 1877
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Fm. †Dorypteridae Fitzinger 1873
Or. †Actinochiri Cope 1872
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Fm. †Pelecopteridae Cope 1875
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G. †Erisichthe Cope 1873
G. †Pelecopterus Cope 1875