Phylum Mollusca Linnaeus, 1758 - molluscs
Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Heterodonta Neumayr, 1884
see Clade Heterodonta Neumayr, 1884
Order Venerida Gray, 1854
Superfamily Carditoidea Férussac, 1822
Family Carditidae Férussac, 1822 - little heart shells
Subfamily Carditamerinae Chavan, 1969
Genus Cardiocardita Anton, 1838
1 Subgenus Bathycardita Iredale, 1924