Classification of Shigeta and Izukura 2018

Subor. †Ammonitina Hyatt 1889
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Superfm. †Desmoceratoidea Zittel 1895
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Fm. †Desmoceratidae Zittel 1895
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G. †Damesites Matsumoto 1942
G. †Desmophyllites Spath 1829
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Fm. †Pachydiscidae Spath 1922
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G. †Canadoceras Spath 1922
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Canadoceras multicostatum Matsumoto 1954
G. †Menuites Spath 1922
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Menuites soyaensis Matsumoto and Miyauchi 1984
Subor. †Lytoceratina Hyatt 1899
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Superfm. †Tetragonitoidea Hyatt 1900
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Fm. †Gaudryceratidae Spath 1927
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G. †Gaudryceras de Grossouvre 1894
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Fm. †Tetragonitidae Hyatt 1900
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G. †Saghalinites Wright and Matsumoto 1954
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Saghalinites teshioensis Matsumoto 1984
Subor. †Ancyloceratina Wiedmann 1966
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Superfm. †Turrilitoidea Gill 1871
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Fm. †Diplomoceratidae Spath 1926
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G. †Schlueterella Wiedmann 1962
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Schlueterella kawadai Matsumoto and Miyauchi 1984