Classification of Shigeta and Izukura 2018
Subor. †Ammonitina Hyatt 1889
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Superfm. †Desmoceratoidea Zittel 1895
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Fm. †Pachydiscidae Spath 1922
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Subor. †Lytoceratina Hyatt 1899
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Superfm. †Tetragonitoidea Hyatt 1900
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Fm. †Gaudryceratidae Spath 1927
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Fm. †Tetragonitidae Hyatt 1900
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Subor. †Ancyloceratina Wiedmann 1966
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