Phylum Mollusca Linnaeus, 1758 - molluscs
Class Bivalvia Linnaeus, 1758 - bivalves
Subclass Heterodonta Neumayr, 1884
see Clade Heterodonta Neumayr, 1884
Order Chamida
see Order Venerida Gray, 1854
Superfamily Tridacnoidea Lamarck, 1819
see Superfamily Cardioidea Lamarck, 1809
Family Goniocardiidae Scarlato & Starobogatov, 1979 [monotypic]
see Subfamily Fraginae Stewart, 1930
Genus Goniocardium Vasseur, 1880