Kingdom [Animalia] Linnaeus, 1758 - animals
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   Subkingdom Metazoa Haeckel, 1874 see Kingdom Animalia Linnaeus, 1758
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     Division Eumetazoa Butschli, 1910 see Subkingdom Eumetazoa Butschli, 1910
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       Subdivision Bilateralia
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         Phylum Mollusca Linnaeus, 1758 - molluscs
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           Subphylum Conchifera Gegenbauer, 1878
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             Order Monotocardia
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               Suborder Taenioglossa see Order Mesogastropoda Thiele, 1925
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                 Superfamily Littorinoidea Children, 1834
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                   1 Family Pomatiasidae Gray, 1852 see Family Pomatiidae Newton, 1891 (1828)
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                   2 Family Chondropomidae see Family Annulariidae Henderson & Bartsch, 1920
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                   3 Family Littorinidae Children, 1834 - periwinkles
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                   4 Family Lacunidae Gray, 1857 see Subfamily Lacuninae Gray, 1857
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