? sowerbyi A.Férussac, 1823 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Milacidae genus Tandonia species Tandonia sowerbyi Name Homonyms ? sowerbyi de Ferrusac & d'Orbigny, 1840 ? sowerbyi Schilder, 1930 ? sowerbyi Wetherell, 1843 ? sowerbyi Berk.