Bythiospeum elongata Flach, 1886 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Littorinimorpha family Moitessieriidae genus Bythiospeum species Bythiospeum diaphanoides Name Homonyms Bythiospeum elongata Flach, 1886 Bythiospeum elongata Flach, 1886