Classification of Kennedy 1995

Or. †Ammonoidea Zittel 1884 [ammonite]
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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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Invalid names: Libycoceratidae Zaborski 1982 [synonym]
Superfm. †Desmocerataceae Zittel 1895
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Fm. †Desmoceratidae Zittel 1895
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Subfm. †Desmoceratinae Zittel 1895
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G. †Desmophyllites Spath 1829
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Fm. †Kossmaticeratidae Spath 1922
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Subfm. †Kossmaticeratinae Spath 1922
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Subg. †Brahmaites (Anabrahmaites) Yabe and Shimizu 1924
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Fm. †Pachydiscidae Spath 1922
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G. †Pachydiscus Zittel 1884
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Subor. †Ancyloceratina Wiedmann 1966
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Superfm. †Turrilitaceae Gill 1871
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Fm. †Diplomoceratidae Spath 1926
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Subfm. †Diplomoceratinae Spath 1926
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G. †Glyptoxoceras Spath 1925
G. †Lewyites
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†Lewyites ambindense Collignon 1971
Fm. †Nostoceratidae Hyatt 1894
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G. †Nostoceras Hyatt 1894
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Subg. †Nostoceras (Nostoceras) Hyatt 1894
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†Nostoceras (Nostoceras) major Kennedy and Cobban 1993