Helix olivieri A.Férussac, 1821 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Hygromiidae genus Monacha species Monacha cartusiana Name Homonyms Helix olivieri A.Férussac, 1821 Helix olivieri Rossmässler, 1837