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 Veneroidea Rafinesque, 1815
           1 Family Veneridae Rafinesque, 1815 - venus clams
           2 Family Glauconomidae Gray, 1853 [monotypic]
           3 Family Turtoniidae Clark, 1855 [monotypic] see Subfamily Turtoniinae Clark, 1855
           4 Family Cooperellidae Dall, 1900 [monotypic] see Subfamily Petricolinae d'Orbigny, 1840
           5 Family Petricolidae d'Orbigny, 1840 - rock borers see Subfamily Petricolinae d'Orbigny, 1840