Defrancia Möller, 1842 Dataset GBIF Backbone Taxonomy Rank GENUS Published in Ind. Moll. Groenl., 12. Classification kingdom Animalia phylum Mollusca genus Defrancia Name Homonyms Defrancia Bronn, 1825 Defrancia Alloiteau, 1957 Defrancia Millet, 1827