Brachytoma vexillium Habe & Kosuge, 1966 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Neogastropoda family Pseudomelatomidae genus Ptychobela species Ptychobela vexillium Name Homonyms Brachytoma vexillium Habe & Kosuge, 1966