Classification of Venturi et al. 2005
Or. †Ammonitida Hyatt 1889
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Fm. †Sinuiceratidae Venturi et al. 2005
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G. †Sinuiceras Venturi and Ferri 2001
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†Sinuiceras planulatum Venturi and Ferri 2001
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Invalid names: Sinuiceras laevispira Venturi and Ferri 2001 [synonym]
Or. †Psiloceratida Housa 1965
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Invalid names: Holcolytoceratidae Venturi et al. 2005 [empty]
G. †Omoderoceras Venturi et al. 2004
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†Omoderoceras latispira Venturi et al. 2005
G. †Pelingoceras Venturi et al. 2005
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†Pelingoceras pseudocarinatum Venturi et al. 2005