Retusa obtusa

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DomainEukaryota • RegnumAnimalia • SubregnumEumetazoa • CladusBilateria • SuperphylumProtostomia • PhylumMollusca • ClassisGastropoda • SubclassisOpisthobranchia • OrdoCephalaspidea • FamiliaRetusidae • GenusRetusa • Species: Retusa obtusa (Montagu, 1803)
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