Classification of Chapman and Brett-Surman 1990

Fm. †Hadrosauridae Cope 1869 [hadrosaurid]
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G. †Cionodon Cope 1874
G. †Mandschurosaurus Riabinin 1930
G. †Microhadrosaurus Dong 1979 [tiny bulky lizard]
G. †Ornithotarsus Cope 1869
G. †Pneumatoarthrus Cope 1870
Subfm. †Hadrosaurinae Lambe 1918 [hadrosaurine]
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G. †Aralosaurus Rozhdestvensky 1968
G. †Brachylophosaurus Sternberg 1953
G. †Edmontosaurus Lambe 1917
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Invalid names: Anatosaurus Lull and Wright 1942 [synonym]
G. †Gilmoreosaurus Brett-Surman 1979
G. †Hadrosaurus Leidy 1858
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Invalid names: Gryposaurus Lambe 1914 [synonym], Kritosaurus Brown 1910 [synonym]
G. †Lophorhothon Langston 1960
G. †Maiasaura Horner and Makela 1979
G. †Prosaurolophus Brown 1916
G. †Saurolophus Brown 1912
G. †Secernosaurus Brett-Surman 1979
G. †Shantungosaurus Hu 1973
G. †Tanius Wiman 1929
G. †Telmatosaurus Nopcsa 1903
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Invalid names: Orthomerus Seeley 1883 [synonym]
Subfm. †Lambeosaurinae Parks 1923 [lambeosaurine]
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G. †Bactrosaurus Gilmore 1933
G. †Barsboldia Maryanska and Osmólska 1981
G. †Corythosaurus Brown 1914
G. †Hypacrosaurus Brown 1913
G. †Jaxartosaurus Riabinin 1937
G. †Lambeosaurus Parks 1923
G. †Nipponosaurus Nagao 1936
G. †Parasaurolophus Parks 1922
G. †Tsintaosaurus Young 1958