Otostomus sulfureus (L.Pfeiffer, 1857) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Stylommatophora family Bulimulidae genus Drymaeus species Drymaeus sulphureus Name Homonyms Otostomus sulfureus (L.Pfeiffer, 1857)