Classification of Henderson 1990

Or. †Ammonoidea Zittel 1884 [ammonite]
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Subor. †Ancyloceratina Wiedmann 1966
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Superfm. †Ancyloceratoidea Gill 1871
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Fm. †Labeceratidae Spath 1925
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G. †Labeceras Spath 1925
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Subg. †Labeceras (Appurdiceras) Whitehouse 1926
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Subg. †Labeceras (Labeceras) Spath 1925
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†Labeceras (Labeceras) bryani Whitehouse 1926
G. †Myloceras Spath 1925
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†Myloceras ammonoides Etheridge 1909
†Myloceras cornucopia Spath 1925
†Myloceras joffrei Boule et al. 1907
Fm. †Ptychoceratidae Meek 1876
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G. †Ptychoceras d'Orbigny 1842
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†Ptychoceras emericianum d'Orbigny 1842
Superfm. †Scaphitoidea Gill 1871
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Fm. †Scaphitidae Gill 1871
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G. †Scaphites Parkinson 1811
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†Scaphites equalis Sowerby 1813
†Scaphites eruciformis Etheridge 1902
†Scaphites hugardianus d'Orbigny 1842
G. †Worthoceras Adkins 1928
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Superfm. †Turrilitoidea Gill 1871
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Fm. †Anisoceratidae Hyatt 1900
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G. †Anisoceras Pictet 1854
G. †Idiohamites Spath 1925
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†Idiohamites tuberculatus Sowerby 1818
Fm. †Baculitidae Gill 1871
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G. †Lechites Nowak 1908
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†Lechites gaudini Pictet and Campiche 1861
G. †Sciponoceras Hyatt 1894
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†Sciponoceras baculoides Mantell 1822
Fm. †Hamitidae Gill 1871
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G. †Hamites Parkinson 1811
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†Hamites attenuatus Sowerby 1814
†Hamites venetzianus Pictet 1847
†Hamites virgulatus Brongniart 1822
G. †Lytohamites Casey 1961
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†Lytohamites similis Casey 1961
Fm. †Turrilitidae Gill 1871
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G. †Mariella Nowak 1916
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Subg. †Mariella (Mariella) Nowak 1916
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†Mariella (Mariella) bergeri Brongniart 1822
G. †Notostreptites Henderson 1990
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†Notostreptites exilis Henderson 1990
G. †Pseudhelicoceras Spath 1922
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†Pseudhelicoceras gracile Henderson 1990
Subor. †Ammonitina Hyatt 1889
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Superfm. †Acanthoceratoidea de Grossouvre 1894
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Fm. †Brancoceratidae Spath 1934
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G. †Histrichoceras Jahn 1894
G. †Hysteroceras Hyatt 1900
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†Hysteroceras antipodeum Etheridge 1902
†Hysteroceras varicosum Sowerby 1824
Invalid names: Askoloboceras Van Hoepen 1944 [synonym], Komeceras Van Hoepen 1944 [synonym], Petinoceras Van Hoepen 1944 [synonym], Spathiceras Whitehouse 1927 [synonym], Terascosceras Van Hoepen 1944 [synonym]
Superfm. †Desmoceratoidea Zittel 1895
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Fm. †Desmoceratidae Zittel 1895
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G. †Beudanticeras Hitzell 1902
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†Beudanticeras beudanti Brongniart 1822
G. †Desmoceras Zittel 1884
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Subg. †Desmoceras (Desmoceras) Zittel 1884
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Superfm. †Haploceratoidea Zittel 1884
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Fm. †Oppeliidae Bonarelli 1894
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G. †Naramoceras McNamara 1985
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†Naramoceras breadeni Brunnschweiler 1959
Subcl. †Ammonoidea Zittel 1884 [ammonite]
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Or. †Ammonitida Hyatt 1889
Fm. †Oppelidae Bonarelli 1894
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Subfm. †Aconeceratinae Spath 1923
G. †Pseudohelicoceras Spath 1922
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