Littorina obtusata

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DomainEukaryota • RegnumAnimalia • SubregnumEumetazoa • CladusBilateria • SuperphylumProtostomia • PhylumMollusca • ClassisGastropoda • OrdoNeotaenioglossa • FamiliaLittorinidae • GenusLittorina • Species: Littorina obtusata Linné, 1758