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 Glossoidea Gray, 1847 (1840) Family Vesicomyidae Dall & Simpson, 1901 Genus Vesicomya Dall, 1886 Subgenus Waisiuconcha Beets, 1942