Clausilia helvetica Bourguignat, 1862 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Clausiliidae genus Macrogastra species Macrogastra ventricosa Name Homonyms Clausilia helvetica Bourguignat, 1862 Clausilia helvetica F.Sandberger, 1875