Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Venerida Gray, 1854
         1 Superfamily Lucinoidea Fleming, 1828
         2 Superfamily Galeommatoidea Gray, 1840
         3 Superfamily Cyamioidea Sars, 1878
         4 Superfamily Chlamydoconchoidea Dall, 1884 [monotypic] see Superfamily Galeommatoidea Gray, 1840
         5 Superfamily Carditoidea Férussac, 1822