Classification of Shigeta 2016
Subor. †Ammonitina Hyatt 1889
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Superfm. †Desmoceratoidea Zittel 1895
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Fm. †Desmoceratidae Zittel 1895
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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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G. †Tetragonites Kossmat 1895
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†Tetragonites popetensis Yabe 1903
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Invalid names: Lytoceras (Tetragonites) henleyense Anderson 1958 [synonym]
Subor. †Ancyloceratina Wiedmann 1966
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