Epitonium tenuicostatum (G.B.Sowerby II, 1844) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Epitoniidae genus Epitonium species Epitonium tenuicostatum Name Synonyms Hirtoscala extenuicostata (de Boury, 1913) Scalaria tenuicostata G.B.Sowerby II, 1844 Spiniscala extenuicostata (de Boury, 1913) Spiniscala tenuicostata (G.B.Sowerby II, 1844) Homonyms Epitonium tenuicostatum (Michaud, 1829) Epitonium tenuicostatum (G.B.Sowerby II, 1844)