Classification of Wright et al. 1996

Cl. Cephalopoda Cuvier 1797
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Or. †Ammonoidea Zittel 1884 [ammonite]
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Subor. †Ammonitina Hyatt 1889
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Superfm. †Acanthocerataceae de Grossouvre 1894
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Fm. †Acanthoceratidae Grossouvre 1894
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Subfm. †Acanthoceratinae de Groussouvre 1894
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G. †Acanthoceras Neumayr 1875
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†Acanthoceras vectense Spath 1925
G. †Acompsoceras Hyatt 1903
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Invalid names: Pseudacompsoceras Spath 1925 [synonym]
G. †Alzadites Kennedy and Cobban 1990
G. †Benueites Reyment 1954
G. †Calycoceras Hyatt 1900
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Subg. †Calycoceras (Calycoceras) Hyatt 1900
Subg. †Calycoceras (Gentoniceras) Thomel 1972
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Subg. †Calycoceras (Hourcqiceras) Collignon 1939
Subg. †Calycoceras (Newboldiceras) Thomel 1972
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Invalid names: Acanthoceras (Pseudacanthoceras) Thomel 1972 [synonym], Newboldiceras (Mourreiceras) Thomel 1972 [synonym], Newboldiceras (Newboldiceras) Thomel 1972 [objective synonym]
Subg. †Calycoceras (Proeucalycoceras) Thomel 1969
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G. †Conlinoceras Cobban and Scott 1972
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†Conlinoceras gilberti Cobban and Scott 1972
G. †Cunningtoniceras Collignon 1937
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G. †Dunveganoceras Warren and Stelck 1940
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G. †Eucalycoceras Spath 1923
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†Eucalycoceras pentagonum Jukes-Browne 1896
†Eucalycoceras pervinquierei Collignon 1931
Invalid names: Pseudomantelliceras Thomel 1972 [synonym]
G. †Kastanoceras Kennedy and Cobban 1990
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†Kastanoceras spinigerum Kennedy and Cobban 1990
G. †Kennediella Cooper 1979
G. †Microsulcatoceras Kennedy and Cobban 1990
G. †Nebraskites Kennedy and Cobban 1988
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†Nebraskites haresiceratiforme Kennedy and Cobban 1988
G. †Neocardioceras Spath 1926
G. †Nigericeras Schneegans 1943
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†Nigericeras gadeni Chudeau 1909
G. †Paracompsoceras Cobban 1972
G. †Paraconlinoceras Kennedy and Cobban 1990
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G. †Plesiacanthoceratoides Kennedy 1990
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G. †Prohauericeras Nowak 1913
G. †Protacanthoceras Spath 1923
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G. †Pseudocalycoceras Thomel 1969
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†Pseudocalycoceras harpax Stoliczka 1864
G. †Quitmaniceras Powell 1963
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†Quitmaniceras reaseri Powell 1963
G. †Tarrantoceras Stephenson 1955
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Subg. †Tarrantoceras (Sumitomoceras) Matsumoto 1969
G. †Thomelites Juignet et al. 1973
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†Thomelites sornayi Porthault and Thomel 1966
G. †Watinoceras Warren 1930
Invalid names: Tunesites [nomen dubium]
Subfm. †Euomphaloceratinae Cooper 1978
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G. †Codazziceras Etayo Serna 1979
G. †Euomphaloceras Spath 1923
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†Euomphaloceras clydense Cobban et al. 1989
Invalid names: Burroceras Cobban et al. 1989 [synonym]
G. †Kamerunoceras Reyment 1954
G. †Lotzeites Wiedmann 1960
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†Lotzeites aberrans Kossmat 1895
G. †Morrowites Cobban and Hook 1983
G. †Paraburroceras Cobban et al. 1989
G. †Paramammites Furon 1935
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†Paramammites polymorphum Pervinquiére 1907
G. †Pseudaspidoceras Hyatt 1903
G. †Romaniceras Spath 1923
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Subg. †Romaniceras (Romaniceras) Spath 1923
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Subg. †Romaniceras (Shuparoceras) Matsumoto 1975
Subg. †Romaniceras (Yubariceras) Matsumoto 1957
Subfm. †Mammitinae Hyatt 1900
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G. †Buccinammonites Kennedy and Cobban 1990
G. †Buchiceras Hyatt 1875
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†Buchiceras gabbi Hyatt 1903
Invalid names: Roemeroceras Hyatt 1903 [synonym]
G. †Cryptometoicoceras Kennedy and Cobban 1990
G. †Mammites Laube and Bruder 1887
G. †Metasigaloceras Hyatt 1903
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†Metasigaloceras rusticum Sowerby 1817
G. †Metoicoceras Hyatt 1903
G. †Mitonia Renz and Alvarez 1979
G. †Nannometoicoceras Kennedy 1988
G. †Rhamphidoceras Kennedy and Cobban 1990
G. †Spathites Kummel and Decker 1954
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Subg. †Spathites (Ingridella) Wiedmann 1960
Subg. †Spathites (Jeanrogericeras) Wiedmann 1960
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Subg. †Spathites (Spathites) Kummel and Decker 1954
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Subfm. †Mantelliceratinae Hyatt 1903
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G. †Graysonites Young 1958
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†Graysonites lozoi Young 1958
G. †Mantelliceras Hyatt 1903
G. †Mhriliceras Kennedy and Wright 1985
G. †Sharpeiceras Hyatt 1903
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†Sharpeiceras tlahualiloensis Kellum and Mintz 1962
Invalid names: Tlahualiloceras Kellum and Mintz 1962 [synonym]
Superfm. †Desmocerataceae Zittel 1895
Superfm. †Haplocerataceae Zittel 1884
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Fm. †Binneyitidae Reeside 1927
Fm. †Haploceratidae Zittel 1884
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G. †Haploceras Zittel 1870
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†Haploceras elimatus Oppel 1870
G. †Neolissoceras Spath 1923
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†Neolissoceras grasianus d'Orbigny 1841
Fm. †Oppeliidae Bonarelli 1894
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Subfm. †Aconeceratinae Spath 1923
Subfm. †Streblitinae Spath 1925
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G. †Bornhardticeras Böhm and Riedel 1933
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G. †Cyrtosiceras Hyatt 1900
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G. †Substreblites Spath 1925
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†Substreblites zonarius Oppel 1865
G. †Uhligites Kilian 1913
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†Uhligites kraffti Uhlig 1903
G. †Tropitoides Spath 1925
Superfm. †Hoplitaceae Douvillé 1890
Superfm. †Perisphinctaceae Steinman 1890
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Fm. †Polyptychitidae Wedekind 1918
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Subfm. †Craspeditinae Spath 1934
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Subfm. †Platylenticeratinae Casey 1973
Subfm. †Polyptychitinae Wedekind 1918
Subfm. †Simbirskitinae Pavlow 1892
Subfm. †Tolliinae Spath 1952
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G. †Borealites Klimova 1969
G. †Surites Sazonov 1951
Superfm. †Pulchelliaceae Douvillé 1890
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Fm. †Pulchelliidae Hyatt 1903
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G. †Coronites
G. †Lopholobites Hyatt 1900
G. †Psilopulchellia Hyatt 1903
G. †Psilotissotia Hyatt 1900
Subor. †Ancyloceratina Wiedmann 1966
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Superfm. †Ancylocerataceae Gill 1871
Superfm. †Deshayesitaceae Stoyanow 1949
Superfm. †Douvilleicerataceae Parona and Bonarelli 1897
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Fm. †Astiericeratidae Breistroffer 1953
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Fm. †Douvilleiceratidae Parona and Bonarelli 1897
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Subfm. †Douvilleiceratinae Parona and Bonarelli 1897
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G. †Douvilleiceras Grossouvre 1894
Subfm. †Roloboceratinae Casey 1961
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Superfm. †Scaphitaceae Gill 1871
Superfm. †Turrilitaceae Gill 1871
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Fm. †Nostoceratidae Hyatt 1894
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G. †Jouaniceras Basse 1939
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†Jouaniceras (Ainoceras) kamuyi Matsumoto in Matsumoto & Kaine 1967
Invalid names: Neoturrilites Shimizu 1935 [nomen nudum]
G. †Turrilitoides Spath 1923
Subor. †Lytoceratina Hyatt 1899
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Superfm. †Lytocerataceae Neumayr 1875
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Fm. †Lytoceratidae Neumayr 1875
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Subfm. †Lytoceratinae Neumayr 1875
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G. †Ammonoceratites Bowditch 1822
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†Ammonoceratites lamarcki Bowditch 1822
G. †Argonauticeras Anderson 1938
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†Argonauticeras argonautarum Anderson 1902
G. †Carinolytoceras Wiedmann 1962
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†Carinolytoceras carinatum Wiedmann 1962
G. †Eulytoceras Spath 1927
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G. †Hemilytoceras Spath 1927
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†Hemilytoceras immanis Oppel 1865
G. †Lytoceras Suess 1865
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Invalid names: Lobolytoceras Buckman 1923 [synonym], Trachylytoceras Buckman 1913 [synonym]
G. †Metalytoceras Spath 1927
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G. †Pictetia Uhlig 1883
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†Pictetia astierianum d'Orbigny 1841
G. †Protetragonites Hyatt 1900
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Invalid names: Hemitetragonites Spath 1927 [synonym], Leptotetragonites Spath 1927 [synonym]
G. †Pterolytoceras Spath 1927
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Superfm. †Tetragonitaceae Hyatt 1900
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Fm. †Gaudryceratidae Spath 1927
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G. †Anagaudryceras Shimizu 1934
G. †Eogaudryceras Spath 1927
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Subg. †Eogaudryceras (Eogaudryceras) Spath 1927
Subg. †Eogaudryceras (Eotetragonites) Breistroffer 1947
G. †Gaudryceras de Grossouvre 1894
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Subg. †Gaudryceras (Gaudryceras) de Grossouvre 1894
Subg. †Gaudryceras (Mesogaudryceras) Spath 1927
G. †Vertebrites Marshall 1926
G. †Zelandites Marshall 1926
Fm. †Tetragonitidae Hyatt 1900
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Subfm. †Gabbioceratinae Breistroffer 1953
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G. †Gabbioceras Hyatt 1900
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†Gabbioceras batesi Trask 1855
G. †Jauberticeras Jacob 1907
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†Jauberticeras jaubertianus d'Orbigny 1850
G. †Pseudophyllites Kossmat 1895
G. †Saghalinites Wright and Matsumoto 1954
Subfm. †Tetragonitinae Hyatt 1900
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G. †Parajaubertella Matsumoto 1942
G. †Takahashia Matsumoto 1984
G. †Tetragonites Kossmat 1895
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Subg. †Tetragonites (Carinites) Wiedmann 1973
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Subg. †Tetragonites (Tetragonites) Kossmat 1895
Invalid names: Neoepigoniceras Shimizu 1935 [nomen nudum]
Subor. †Phylloceratina Zittel 1884
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Superfm. †Phyllocerataceae Zittel 1884
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Fm. †Phylloceratidae Zittel 1884
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Subfm. †Calliphylloceratinae Spath 1927
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G. †Calliphylloceras Spath 1927
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G. †Holcophylloceras Spath 1927
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Invalid names: Salfeldiella Spath 1927 [synonym]
G. †Ptychophylloceras Spath 1927
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G. †Sowerbyceras Parona and Bonarelli 1895
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†Sowerbyceras tortisulcatus d'Orbigny 1841
Subfm. †Phylloceratinae Zittel 1884
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G. †Carinophylloceras Klinger et al. 1975
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†Carinophylloceras collignoni Klinger et al. 1975
G. †Hypophylloceras Salfeld 1924
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Subg. †Hypophylloceras (Hypophylloceras) Salfeld 1924
†Hypophylloceras onoense Stanton 1895
Invalid names: Euphylloceras [synonym]
G. †Phylloceras Suess 1865
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Subg. †Phylloceras (Phylloceras) Suess 1865
Subg. †Phylloceras (Zetoceras) Kovacs 1939
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†Phylloceras heterophyllus Sowerby 1820
G. †Phyllopachyceras Spath 1925
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G. †Partschiceras Fucini 1920
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Invalid names: Procliviceras [synonym]
G. †Aconeceras Hyatt 1903
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Subg. †Aconeceras (Gyaloceras) Whitehouse 1927
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†Aconeceras (Gyaloceras) smithi Whitehouse 1927
G. †Cleoniceras Parona and Bonarelli 1897
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Subg. †Craspedites (Kachpurites) Spath 1924
G. †Crioceratites Leveillé 1837
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Invalid names: Toxoceras d'Orbigny 1842 [synonym]
G. †Diadochoceras Hyatt 1900
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Invalid names: Nodosohoplites [synonym]
G. †Gauthiericeras de Grossouvre 1894
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†Gauthiericeras listeri van Hoepen 1965
Invalid names: Andersonites [synonym]
G. †Hamites Parkinson 1811
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G. †Heinzia
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Invalid names: Gerhardtia Hyatt 1903 [synonym]
G. †Lyticoceras Hyatt 1900
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Invalid names: Endemoceras [synonym]
G. †Manambolites Hourcq 1949
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G. †Menuites Spath 1922
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†Menuites peninsularis Anderson and Hanna 1935
G. †Mortoniceras Meek 1876
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Invalid names: Inflaticeras Stieler 1920 [synonym]
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†Neocosmoceras euthymi Pictet 1867
Invalid names: Euthymiceras Grigorieva 1938 [synonym]
G. †Neoptychites Kossmat 1895
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Invalid names: Betiokytes Collignon 1965 [synonym]
G. †Neosaynoceras Breistroffer 1947
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†Neosaynoceras gazellae Pervinquière 1907
G. †Nostoceras Hyatt 1894
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Subg. †Nostoceras (Didymoceras) Hyatt 1900
G. †Olcostephanus Neumayr 1875
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Invalid names: Holcostephanus Sayn 1889 [synonym], Holcostephanus Neumayr 1875 [misspelling], Jeanthieuloyites Cooper 1981 [synonym]
G. †Placenticeras Meek 1876
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Invalid names: Karamaiceras [synonym], Pseudoplacenticeras [synonym]
G. †Platylenticeras Hyatt 1900
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Subg. †Platylenticeras (Tolypeceras) Hyatt 1903
G. †Polyptychoceras Yabe 1927
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Subg. †Polyptychoceras (Subptychoceras) Shimizu 1935
G. †Pseudoschloenbachia Spath 1921
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G. †Pseudothurmannia Spath 1923
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Invalid names: Georgioceras Wilckens 1947 [synonym]
G. †Pseudoxybeloceras Wright and Matsumoto 1954
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Subg. †Pseudoxybeloceras (Schlueterella) Wiedmann 1962
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G. †Schloenbachia Neumayr 1875
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Invalid names: Saltericeras [synonym]
G. †Simbirskites Pavlow 1891
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Subg. †Simbirskites (Craspedodiscus) Spath 1924
Subg. †Simbirskites (Speetoniceras) Spath 1924
Invalid names: Californiceras [synonym]
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Invalid names: Bihenduloceras [synonym], Somaliceras [synonym]
G. †Submortoniceras Spath 1926
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Invalid names: Jimenesites Carrasco 1967 [synonym]
G. †Texanites Spath 1932
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Invalid names: Neoselwynoceras [synonym]
G. †Tollia Pavlow 1914
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Invalid names: Neotollia [synonym]
G. †Valdedorsella Breistroffer 1947
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Invalid names: Weavericeras [synonym]
G. †Zuluiceras van Hoepen 1965
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Invalid names: Sornayceras Matsumoto 1965 [synonym]
Fm. †Placenticeratidae Hyatt 1900
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Fm. Dictyochaceae Lemmermann 1901
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G. Hannaites Mandra 1969
Fm. †Pachydiscidae Spath 1922
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G. †Chimbuites Casey and Glaessner 1958
G. †Patagiosites Spath 1953
G. †Tongoboryceras Housa 1967
G. †Ancyloceras d'Orbigny 1842
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Subg. †Ancyloceras (Tonoceras) Hyatt 1900
Fm. †Desmoceratidae Zittel 1895
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G. †Damesites Matsumoto 1942
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Invalid names: Kotoceras Yabe 1927 [replaced]
Subfm. †Pseudosaynellinae Casey 1961
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G. †Aioloceras Whitehouse 1926
G. †Pseudosaynella Spath 1923
Subfm. †Silesitoidinae Breistroffer 1953
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G. †Pseudosilesites Egoian 1969
Subfm. †Puzosiinae Spath 1922
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G. †Abrytasites Nikolov and Brekoviski 1969
G. †Pachydesmoceras Spath 1922
G. †Pseudohaploceras Hyatt 1900
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Fm. †Silesitidae Hyatt 1900
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Invalid names: Neposiella [synonym]
Subfm. †Marshallitinae Matsumoto 1955
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G. †Hulenites Matsumoto 1955
G. †Maccarthyites Matsumoto 1959
G. †Mikasaites Matsumoto 1956
G. †Moffitites Imlay 1959
G. †Protokossmaticeras Collignon 1964
G. †Wellmanites Wright 1957
G. †Yakushiceras Matsumoto 1991
G. †Yeharites Matsumoto 1991
Fm. †Parahoplitidae Spath 1922
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Subfm. †Acanthoplitinae Stoyanow 1949
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G. †Acanthohoplites Sinzow 1908
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Invalid names: Protacanthoplites Tovbina 1970 [synonym]
G. †Abrytusites Nikolov and Brekoviski 1969
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Invalid names: Abrytasites Nikolov and Brekoviski 1969 [misspelling]
Subfm. †Peroniceratinae Hyatt 1900
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G. †Ishikariceras Matsumoto 1965
Fm. †Vascoceratidae Douvillé 1912
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G. †Microdiphasoceras Cobban et al. 1989
G. †Rubroceras Cobban et al. 1989
G. †Vascoceras Choffat 1898
Fm. †Coilopoceratidae Hyatt 1903
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G. †Erichsenites Magalhaes 1953
Fm. †Turrilitidae Gill 1871
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G. †Carthaginites Pervinquière 1907
Fm. †Forbesiceratidae Wright 1952
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G. †Forbesiceras Kossmat 1897
G. †Paradolphia Casey 1965
Fm. †Sphenodiscidae Hyatt 1900
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Subfm. †Lenticeratinae Hyatt 1900
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G. †Eulophoceras Hyatt 1903
G. †Lenticeras Gerhardt 1898
G. †Paralenticeras Hyatt 1900
Subfm. †Sphenodiscinae Hyatt 1900
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G. †Coahuilites Böse 1928
G. †Daradiceras Sornay and Tessier 1949
G. †Indoceras Noetling 1897
G. †Libycoceras Hyatt 1900
G. †Nubidites Wiedmann 1979
Fm. †Tissotiidae Hyatt 1900
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G. †Metatissotia Hyatt 1903
G. †Paratissotia Hyatt 1903
G. †Tissotioides Reyment 1958
G. †Neoglyptoxoceras Collignon 1969
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Invalid names: Epiglyptoxoceras [synonym]
Fm. †Brancoceratidae Spath 1934
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Subfm. †Brancoceratinae Spath 1934
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G. †Erioliceras Sepkoski 2002
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Invalid names: Omocyrtoceras Van Hoepen 1955 [synonym], Tetragonoceras Van Hoepen 1955 [synonym]
G. †Hysteroceras Hyatt 1900
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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]
G. †Neokentroceras Spath 1921
Invalid names: Erioliceratinae Van Hoepen 1955 [synonym]
Subfm. †Mojsisovicziinae Hyatt 1903
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G. †Falloticeras Parona and Bonarelli 1897
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†Falloticeras proteus d'Orbigny 1842
G. †Mojsisoviczia Steinmann 1881
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Invalid names: Mojsisoviczia duerfeldi Steinmann 1881 [synonym]
Invalid names: Dipoloceroides Breistroffer 1947 [synonym]
G. †Oxytropidoceras Stieler 1920
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Subg. †Oxytropidoceras (Adkinsites) Spath 1931
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Invalid names: Oxytropidoceras (Androiavites) Collignon 1936 [synonym]
Fm. †Hamitidae Gill 1871
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Fm. †Anisoceratidae Hyatt 1900
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Fm. †Heteroceratidae Spath 1922
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G. †Uhligia
Fm. †Hoplitidae Douvillé 1890
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Subfm. †Anahoplitinae Breistroffer 1947
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G. †Anahoplites Hyatt 1900
G. †Anahoplitoides Casey 1961
Subfm. †Gastroplitinae Wright 1952
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G. †Alopecoceras Kennedy 1978
G. †Sokolovites Casey 1966
Subfm. †Sonneratiinae Destombes 1973
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G. †Bucaillella Destombes 1973
G. †Farnhamia Casey 1954
G. †Otohoplites Steinmann 1925
G. †Protohoplites Spath 1923
G. †Pseudosonneratia Spath 1925
G. †Sonneratia Bayle 1878
Subfm. †Desmoceratinae Zittel 1895
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G. †Desmoceras Zittel 1884
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Subg. †Desmoceras (Desmoceras) Zittel 1884
Invalid names: Eodesmoceras Spath 1923 [synonym]
G. †Microdesmoceras Matsumoto 1972
G. †Tragodesmoceroides Matsumoto 1942
Subfm. †Scaphitinae Gill 1871
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G. †Pteroscaphites Wright 1953
Fm. †Engonoceratidae Hyatt 1900
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G. †Hypengonoceras Spath 1922
G. †Knemiceras Böhm 1898
G. †Parengonoceras Spath 1924
G. †Platiknemiceras Bataller 1954
Subfm. †Mortoniceratinae Douvillé 1912
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G. †Cantabrigites Spath 1933
G. †Elobiceras Spath 1922
G. †Goodhallites Spath 1932
G. †Prohysteroceras Spath 1921
Subg. †Mortoniceras (Mortoniceras) Meek 1876
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Invalid names: Mortoniceras (Pervinquieria) Böhm 1910 [objective synonym], Pervinquieria (Styphloceras) Van Hoepen 1951 [synonym]
Subfm. †Stoliczkaiinae Breistroffer 1953
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G. †Budaiceras Böse 1928
G. †Neophlycticeras Spath 1922
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†Paracalycoceras subvicinale Boule et al. 1907
Invalid names: Cottreauites Collignon 1929 [synonym]
Subfm. †Texanitinae Collignon 1948
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G. †Bevahites
G. †Defordiceras Young 1963
G. †Protexanites Matsumoto 1955
Subfm. †Crioceratitinae Wright 1952
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G. †Acantholytoceras Spath 1932
Subfm. †Ancyloceratinae Gill 1871
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G. †Caspianites Casey 1961
Fm. †Flickiidae Adkins 1928
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Subfm. †Flickiinae Adkins 1928
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G. †Adkinsia Böse 1928
G. †Ficheuria Pervinquiére 1910
G. †Flickia
Subfm. †Kossmaticeratinae Spath 1922
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G. †Jacobites Kilian and Reboul 1909
Subfm. †Barroisiceratinae Basse 1947
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G. †Barroisiceras de Grossouvre 1894
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Invalid names: Subbarroisiceras [synonym]
G. †Kondiloceras Fucini 1901
G. †Niceforoceras Basse 1948
Subfm. †Hoplitinae Douvillé 1890
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G. †Hoplites
G. †Hyphoplites Spath 1922
G. †Semenoviceras Wright et al. 1996
Subfm. †Bochianitinae Spath 1922
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G. †Forresteria Reeside 1932
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Invalid names: Eboroceras [synonym], Neokanabiceras Collignon 1965 [synonym]
Subfm. †Gaudryceratinae Spath 1927
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G. †Kossmatella Jacob 1907
Fm. †Macroscaphitidae Hyatt 1900
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Fm. †Pseudotissotiidae Hyatt 1903
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Invalid names: Hourcqiinae Renz 1982 [empty]
Subfm. †Olcostephaninae Haug 1910
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Fm. †Holcodiscidae Spath 1924
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Subfm. †Neocomitinae Salfeld 1921
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Invalid names: Andesites [synonym]
G. †Limaites
G. †Lissonia
G. †Protothurmannia Crickmay 1932
G. †Subalpinites Mazenot 1939
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Invalid names: Erdenella [synonym], Jabronella Nikolov 1966 [synonym]
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Invalid names: Fauriella [synonym]
Subfm. †Barremitinae Breskovski 1977
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G. †Spitidiscus Kilian 1910
G. †Subsaynella Spath 1923
G. †Homolsomites Crickmay 1930
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†Homolsomites oregonensis Anderson 1938
Invalid names: Wellsia Imlay 1957 [synonym]
Subfm. †Endemoceratinae Schindewolf 1966
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G. †Hannaites Imlay 1957
Fm. †Cleoniceratidae Whitehouse 1926
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G. †Anadesmoceras Casey 1954
G. †Brewericeras Casey 1954
G. †Cymahoplites Spath 1922
G. †Freboldiceras Imlay 1959
G. †Leconteites Casey 1954
G. †Moretella
G. †Pachygrycia Jeletzky 1981
G. †Tetrahoplitoides Casey 1954
Subfm. †Spiticeratinae Spath 1924
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G. †Umaites Spath 1931
Subfm. †Berriasellinae Spath 1922
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G. †Banikoceras Howarth 1992
G. †Chigaroceras Howarth 1992
Fm. †Muniericeratidae Wright 1952
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Subfm. †Beudanticeratinae Breistroffer 1953
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G. †Beudanticeras Hitzell 1902
G. †Boliteceras Whitehouse 1928
G. †Cophinoceras Whitehouse 1928
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Invalid names: Beudantiella [synonym]
G. †Grantziceras Imlay 1960
G. †Uhligella
G. †Zuercherella Casey 1954
Subfm. †Mathoceratinae Casey 1963
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G. †Mathoceras Casey 1963
G. †Somalites Pamouktchiev 1983
Subfm. †Collignoniceratinae Wright and Wright 1951
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G. †Germariceras Breistroffer 1947
G. †Lymaniceras Matsumoto 1965
G. †Prionocycloceras Spath 1926
†Scaphites septemseriatus Cragin 1893
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Invalid names: Acanthoceras kanabense Stanton 1894 [synonym]
G. †Rhytidoceras Van Hoepen 1931
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Invalid names: Diplasioceras [synonym]
Subg. †Brancoceras (Brancoceras) Steinmann 1881
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Invalid names: Paroxytropidoceras Breistroffer 1951 [nomen nudum]
Subfm. †Pseudotissotiinae Hyatt 1903
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G. †Choffaticeras Hyatt 1903
G. †Donenriquoceras Wiedmann 1960
G. †Hemitissotia Peron 1897
G. †Wrightoceras Reyment 1954
Subfm. †Lyelliceratinae Spath 1921
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G. †Prolyelliceras Spath 1930
†Watinoceras amudariense Arkhanguelsky 1916
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Invalid names: Watinoceras reesidei Warren 1930 [synonym]
Subfm. †Hourcquiinae Renz 1982
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G. †Hourcquia Collignon 1965
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Subfm. †Helicancylinae Hyatt 1894
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Subfm. †Berriasellinae Spath 1922
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G. †Malbosiceras Pictet 1867
G. †Schlueterella Wiedmann 1962
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Invalid names: Christophoceras [synonym]
Fm. †Trochleiceratidae Breistroffer 1951
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G. †Metaclavites Casey 1965
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Invalid names: Gazdaganites [synonym]
Subg. †Romaniceras (Neomphaloceras) Matsumoto and Obata 1982
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Subg. †Dunveganoceras (Dunveganoceras) Warren and Stelck 1940
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