Class: GASTROPODA Taxon Tree: HETEROBRANCHIA [Subclass]-PYRAMIDELLOIDEA [Superfamily]
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Class: GASTROPODA Taxon Tree: HETEROBRANCHIA [Subclass]-SIPHONARIOIDEA [Superfamily]
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Class: GASTROPODA Taxon Tree: HETEROBRANCHIA [Subclass]-STREPTACIDOIDEA [Superfamily]
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Class: GASTROPODA Taxon Tree: HETEROBRANCHIA [Subclass]
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Class: GASTROPODA Taxon Tree: NEOMPHALINA [Subclass]-NEOMPHALOIDEA [Superfamily]
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Class: GASTROPODA Taxon Tree: NERITIMORPHA [Subclass]-CYCLONERITIMORPHA [Order]-HELICINOIDEA [Superfamily]
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Class: GASTROPODA Taxon Tree: NERITIMORPHA [Subclass]-CYCLONERITIMORPHA [Order]-NERITOIDEA [Superfamily]
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Class: GASTROPODA Taxon Tree: NERITIMORPHA [Subclass]-CYCLONERITIMORPHA [Order]-NERITOPSOIDEA [Superfamily]
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