Bistolida ursellus f. amoeba Schilder & Schilder, 1938 Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Animalia phylum Mollusca class Gastropoda order Neotaenioglossa family Cypraeidae genus Bistolida species Bistolida ursellus Name Homonyms Bistolida ursellus amoeba (F.A.Schilder & M.Schilder, 1938)