Plesiotrochus stephanense (Cossmann & Peyrot, 1922) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda family Plesiotrochidae genus Plesiotrochus species Hemicerithium stephanense Name Homonyms Plesiotrochus stephanense (Cossmann & Peyrot, 1922)