Cardium tumidum Kossmat, 1893 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Mollusca class Bivalvia order Cardiida family Cardiidae genus Cardium species Cardium tumidum Name Homonyms Cardium tumidum Deshayes, 1855 Cardium tumidum Kossmat, 1893 Cardium tumidum A.A.Ali-Zade & Rybina, 1974