Classification of Wittler et al. 1999

G. †Cimomia Conrad 1866
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†Cimomia schroederi Wiedmann 1960
G. †Cymatoceras Hyatt 1884
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†Cymatoceras cenomanense Schluter 1876
†Cymatoceras loricatus Schluter 1876
†Cymatoceras sharpei Schluter 1876
†Cymatoceras tenuicostatum Schuter 1876
†Cymatoceras tourtiae Schluter 1876
Invalid names: Eurocymatoceras Matsumoto 1983 [synonym]
G. †Deltocymatoceras Kummel 1956
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†Deltocymatoceras leiotrops Schluter 1876
G. †Deltoidonautilus Spath 1927
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G. †Eutrephoceras Hyatt 1894
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†Eutrephoceras darupense Schluter 1876
G. †Pseudocenoceras Spath 1927
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†Pseudocenoceras fittoni Sharpe 1853