Classification of Kennedy 1999

Subor. †Ammonitina Hyatt 1889
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Superfm. †Acanthocerataceae de Grossouvre 1894
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Fm. †Sphenodiscidae Hyatt 1900
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G. †Indoceras Noetling 1897
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Indoceras baluchistanense Noetling 1897
G. †Libycoceras Hyatt 1900
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Libycoceras acutodorsatus Noetling 1897
Superfm. †Desmocerataceae Zittel 1895
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Fm. †Desmoceratidae Zittel 1895
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Subfm. †Puzosiinae Spath 1922
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G. †Kitchinites Spath 1922
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Kitchinites spengleri Kennedy 1999
Fm. †Pachydiscidae Spath 1922
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G. †Menuites Spath 1922
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Menuites fresvillensis Seunes 1890
G. †Pachydiscus Zittel 1884
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Subor. †Phylloceratina Zittel 1884
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Superfm. †Phyllocerataceae Zittel 1884
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Fm. †Phylloceratidae Zittel 1884
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Subfm. †Phylloceratinae Zittel 1884
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G. †Phylloceras Suess 1865
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Subg. †Phylloceras (Neophylloceras) Shimizu 1934
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Fm. †Diplomoceratidae Spath 1926
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Subfm. †Diplomoceratinae Spath 1926
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G. †Diplomoceras Hyatt 1900
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Diplomoceras cylindraceum Defrance 1816
Subor. †Lytoceratina Hyatt 1899
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Superfm. †Tetragonitaceae Hyatt 1900
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Fm. †Gaudryceratidae Spath 1927
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G. †Anagaudryceras Shimizu 1934
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G. †Gaudryceras de Grossouvre 1894
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Gaudryceras kayei Forbes 1846