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
             1 Genus Vesicomya Dall, 1886
             2 Genus Calyptogena Dall, 1891
             3 Genus Isorropodon Sturany, 1896