Classification of Frebold 1970

G. †Echioceras Bayle 1878
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†Echioceras natrix Schlotheim 1820
Superfm. †Psilocerataceae Hyatt 1867
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Fm. †Oxynoticeratidae Hyatt 1875
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G. †Fanninoceras McLearn 1930
G. †Gleviceras Buckman 1918
G. †Radstockiceras Buckman 1918
Superfm. †Hildocerataceae Hyatt 1867
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Fm. †Hildoceratidae Hyatt 1867
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Subfm. †Arieticeratinae Howarth 1955
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G. †Arieticeras Seguenza 1885
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†Arieticeras algovianum Oppel 1862
G. †Leptaleoceras Buckman 1918
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Subfm. †Harpoceratinae Neumayr 1875
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G. †Paltarpites Buckman 1922
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†Paltarpites argutus Buckman 1923
†Paltarpites paltus Buckman 1922
Superfm. †Eoderocerataceae Spath 1929
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Fm. †Amaltheidae Hyatt 1867
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G. †Amaltheus de Montfort 1808
G. †Pleuroceras Hyatt 1868
Fm. †Dactylioceratidae Hyatt 1867
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G. †Dactylioceras Hyatt 1867
G. †Prodactylioceras Spath 1923
Fm. †Eoderoceratidae Spath 1929
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Subfm. †Eoderoceratinae Spath 1929
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G. †Crucilobiceras Buckman 1920
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†Crucilobiceras mouterdei Frebold 1970
†Crucilobiceras pacificum Frebold 1970
Subfm. †Phricodoceratinae Spath 1938
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G. †Phricodoceras Hyatt 1900
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†Phricodoceras lamellosum d'Orbigny 1844
†Phricodoceras taylori Sowerby 1826
Fm. †Liparoceratidae Hyatt 1867
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G. †Liparoceras Hyatt 1867
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Subg. †Liparoceras (Becheiceras) Trueman 1918
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Fm. †Polymorphitidae Haug 1887
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Subfm. †Polymorphitinae Haug 1887
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G. †Platypleuroceras Hyatt 1867
G. †Uptonia Buckman 1898
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†Uptonia dayiceroides Mouterde 1951
Invalid names: Acanthopleuroceratinae Arkell 1950 [empty]