Classification of Kröger et al. 2009

Or. †Ellesmerocerida Flower and Kummel, Jr. 1950
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Fm. †Phthanoncoceratidae Evans and King 1990
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†Palaeocycloceras eichwaldi Balashov 1968
Or. †Discosorida Flower 1950
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Fm. †Apocrinoceratidae Flower and Teichert 1957
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G. †Paldoceras Kröger et al. 2009
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†Paldoceras neptunsakerense Kröger et al. 2009
†Paldoceras paldiskense Kröger et al. 2009
Or. †Oncocerida Flower and Kummel, Jr. 1950
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Fm. †Graciloceratidae Flower in Flower and Kummel 1950
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G. †Kundoceras Kröger et al. 2009
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†Kundoceras evansi Kröger et al. 2009
G. †Leonardoceras Flower 1968
Fm. †Oncoceratidae Hyatt 1884
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G. †Neumatoceras Foerste 1935
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†Neumatoceras borense Kröger et al. 2009
†Neumatoceras parviborense Kröger et al. 2009
G. †Paramiamoceras Chen 1987
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†Paramiamoceras breviventrum Kröger et al. 2009
G. †Richardsonoceras Foerste 1932
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†Richardsonoceras gastroscopium Kröger et al. 2009
†Richardsonoceras gerhardi Kröger et al. 2009
†Richardsonoceras goldmanni Kröger et al. 2009
†Richardsonoceras haelluddenense Kröger et al. 2009
G. †Richardsonoceroides Chen 1987
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†Richardsonoceroides kingi Kröger et al. 2009
†Richardsonoceroides oelandense Kröger et al. 2009
†Richardsonoceroides rhytium Kröger et al. 2009