Genus: Nodeuomphalus Bandel & Frýda, 1998 † (DB: 6 SP, 1 IMG)
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Genus: Novakopteron Horný, 2001 † (DB: 1 SP, 0 IMG)
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Genus: Nummocalcar Cossmann, 1896 † (syn: Mummocalcar - DB: 2 SP, 0 IMG)
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Genus: Offleyotrochus Peel, 1979 † (DB: 1 SP, 0 IMG)
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Genus: Pentagonodiscus Wendt, 1968 † (DB: 3 SP, 0 IMG)
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Genus: Phanerotinus Sowerby, 1844 † (DB: 5 SP, 1 IMG)
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Genus: Planotectus Yochelson, 1956 † (DB: 1 SP, 0 IMG)
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Genus: Pleuronotus Hall, 1879 † (DB: 3 SP, 1 IMG)
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Genus: Poleumita Clarke & Ruedemann, 1903 † (syn: Polytropis, Polytropina - DB: 20 SP, 8 IMG)
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