Tricolia pullus
species of mollusc
Domain: Eukaryota • Regnum: Animalia • Subregnum: Eumetazoa • Cladus: Bilateria • Superphylum: Protostomia • Phylum: Mollusca • Classis: Gastropoda • Subclassis: Vetigastropoda • Superfamilia: Phasianelloidea • Familia: Phasianellidae • Genus: Tricolia • Species: Tricolia pullus (Linné, 1758)