| Stylommatophora (Order) |
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| Stylommatophora Helicarionoidea Bourguignat, 1877 (Superfamily) |
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| Urocyclidae Simroth, 1889 (Family) |
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| Urocyclidae subfam. Sheldoniinae Connolly, 1925 (Subfamily) |
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| Ledoulxia Bourguignat, 1885 (Genus) |
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| Parasitala Thiele, 1931 (Genus) |
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| Thapsia Albers, 1860 (Genus) |
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| Trochonanina Mousson, 1869 (Genus) |
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| Trochozonites Pfeffer, 1883 (Genus) |
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| Zingis von Martens, 1878 (Genus) |
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| Urocyclidae subfam. Urocyclinae Simroth, 1889 (Subfamily) |
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| Estria Poirier, 1887 (Genus) |
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| Urocyclus Gray, 1864 (Genus) |
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