Classification of Langston 1960

Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
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Subfm. †Hadrosaurinae Lambe 1918 [hadrosaurine]
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G. †Anatosaurus Lull and Wright 1942
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G. †Edmontosaurus Lambe 1917
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Edmontosaurus regalis Lambe 1917
G. †Hadrosaurus Leidy 1858
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Hadrosaurus faulkii Leidy 1858
Invalid names: Hadrosaurus minor Marsh 1870 [nomen nudum], Hadrosaurus tripos Cope 1869 [nomen nudum]
G. †Kritosaurus Brown 1910
G. †Lophorhothon Langston 1960
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Lophorhothon atopus Langston 1960
G. †Prosaurolophus Brown 1916
G. †Bactrosaurus Gilmore 1933
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Bactrosaurus johnsoni Gilmore 1933
G. †Hypsibema Cope 1869
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Invalid names: Hypsibema crassicauda Cope 1869 [nomen nudum]
Subfm. †Lambeosaurinae Parks 1923 [lambeosaurine]
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G. †Cheneosaurus Lambe 1917
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G. †Hypacrosaurus Brown 1913
G. †Lambeosaurus Parks 1923
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Lambeosaurus clavinitialis Sternberg 1935
G. †Ornithotarsus Cope 1869
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Ornithotarsus immanis Cope 1869