Classification of Kennedy and Gale 2015

Subor. †Ammonitina Hyatt 1889
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Superfm. †Acanthoceratoidea de Grossouvre 1894
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Fm. †Collignoniceratidae Wright and Wright 1951
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Subfm. †Collignoniceratinae Wright and Wright 1951
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Subprionocyclus branneri Anderson 1902
Subprionocyclus hitchinensis Billinghurst 1927
Subprionocyclus normalis Anderson 1958
Superfm. †Desmoceratoidea Zittel 1895
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Fm. †Desmoceratidae Zittel 1895
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Subfm. †Puzosiinae Spath 1922
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G. †Mesopuzosia Matsumoto 1954
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Mesopuzosia mobergi de Grossouvre 1894
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Invalid names: Puzosia curvatisulcata Chatwin and Withers 1909 [synonym], Puzosia gaudemarisi Roman and Mazerin 1913 [synonym]
Fm. †Pachydiscidae Spath 1922
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G. †Lewesiceras Spath 1939
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Lewesiceras mantelli Wright and Wright 1951
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Invalid names: Lewesiceras lenesicense Housa 1967 [synonym]
Lewesiceras woodi Wright 1979
Subor. †Ancyloceratina Wiedmann 1966
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Superfm. †Scaphitoidea Gill 1871
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Fm. †Scaphitidae Gill 1871
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Subfm. †Scaphitinae Gill 1871
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G. †Scaphites Parkinson 1811
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Scaphites geinitzii d'Orbigny 1850
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Invalid names: Scaphites geinitzii laevior Wright 1979 [invalid subgroup]
Superfm. †Turrilitoidea Gill 1871
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Fm. †Anisoceratidae Hyatt 1900
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G. †Allocrioceras Spath 1926
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Allocrioceras nodiger Roemer 1870
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Invalid names: Allocrioceras strangulatum Wright 1979 [synonym]
Fm. †Baculitidae Gill 1871
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G. †Sciponoceras Hyatt 1894
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Sciponoceras bohemicum Fritsch 1872
Fm. †Nostoceratidae Hyatt 1894
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G. †Hyphantoceras Hyatt 1900
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