Cyclocardia Dataset Systematics of the family Carditidae (Bivalvia: Archiheterodonta) in the Cenozoic of Argentina Rank GENUS Classification kingdom Animalia phylum Mollusca class Bivalvia order Carditoida family Carditidae genus Cyclocardia Name Homonyms Cyclocardia Cyclocardia Conrad 1867 Cyclocardia