Margarites umbilicalis Broderip & Sowerby, 1829 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Gastropoda order Trochida family Margaritidae genus Margarites species Margarites umbilicalis Name Synonyms Trochus umbilicalis (Broderip & Broderip, 1829) Homonyms Margarites umbilicalis Broderip & Sowerby, 1829