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 Chamoidea Lamarck, 1809 [monotypic] Family Chamidae Lamarck, 1809 - jewel boxes Genus Pseudochama Odhner, 1917 Subgenus Eopseuma Odhner, 1919