Classification of Parent 1998
G. †Choffatia Siemiradzki 1898
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†Choffatia jupiter Steinmann 1881
†Choffatia neumayri Siemiradzki 1899
†Choffatia subbakeriae d'Orbigny 1850
†Choffatia suborion Burckhardt 1927
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Invalid names: Perisphinctes cualacensis Burckhardt 1927 [synonym]
G. †Oxycerites Rollier 1909
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Subfm. †Eurycephalitinae Thierry 1976
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G. †Eurycephalites
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†Eurycephalites extremus Tornquist 1898
†Eurycephalites gottschei Tornquist 1898
†Eurycephalites involutus Riccardi and Westermann 1991
†Eurycephalites rotundus Tornquist 1898
G. †Iniskinites Imlay 1975
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†Iniskinites crassus Riccardi and Westermann 1991
†Iniskinites evolutus Parent 1998
G. †Stehnocephalites
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†Stehnocephalites crassicostatus Riccardi and Westermann 1991
†Stehnocephalites gerthi Spath 1928
G. †Xenocephalites
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†Xenocephalites araucanus Burckhardt 1903
†Xenocephalites neuquensis Stehn 1923