Classification of Cope 1875
G. Lamna Cuvier 1816 [mackerel shark]
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†Lamna macrorhiza Cope 1875
†Lamna mudgei Cope 1875
Or. Holocephali Bonaparte 1832 [chimaera]
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G. †Enchodus Agassiz 1835
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†Enchodus oxytomus Cope 1875
†Enchodus tetraecus Cope 1875
G. †Clidastes Cope 1868
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†Clidastes cineriarum Cope 1870
†Clidastes dispar Marsh 1871
†Clidastes planifrons Cope 1874
†Clidastes stenops Cope 1871
†Clidastes tortor Cope 1871
†Clidastes velox Marsh 1871
G. †Mosasaurus Parkinson 1822
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G. †Platecarpus Cope 1869
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†Platecarpus coryphaeus Cope 1871
†Platecarpus crassartus Cope 1871
†Platecarpus curtirostris Cope 1871
†Platecarpus felix Marsh 1872
†Platecarpus glandiferus Cope 1871
†Platecarpus gracilis Marsh 1872
†Platecarpus ictericus Cope 1870
†Platecarpus latifrons Marsh 1872
†Platecarpus latispinis Cope 1871
†Platecarpus mudgei Cope 1870
†Platecarpus simus Marsh 1872
†Platecarpus tectulus Cope 1871
G. †Plesiosaurus de la Beche and Conybeare 1821
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†Plesiosaurus brevifemur Cope 1875
G. †Liodon Owen 1842
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†Liodon dyspelor Cope 1870
†Liodon laevis Owen 1849
†Liodon micromus Marsh 1872
†Liodon mitchillii DeKay 1830
†Liodon nepaeolicus Cope 1874
†Liodon proriger Cope 1869
†Liodon validus Cope 1868
G. †Aublysodon Leidy 1868
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G. †Hadrosaurus Leidy 1858
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†Hadrosaurus agilis Marsh 1872
†Hadrosaurus cavatus Cope 1871
†Hadrosaurus minor Marsh 1870
†Hadrosaurus mirabilis Leidy 1856
†Hadrosaurus tripos Cope 1869
Invalid names: Thespesius Leidy 1856 [synonym]
G. †Laelaps Cope 1866
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†Laelaps aquilunguis Cope 1866
†Laelaps macropus Cope 1868
G. †Cionodon Cope 1874
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†Cionodon arctatus Cope 1874
†Cionodon stenopsis Cope 1875