Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Heteroconchia Gray, 1854
       Clade Heterodonta Neumayr, 1884
         Order Pholadomyida Newell, 1965
           Superfamily Pholadomyoidea King, 1844
             1 Family Pholadomyidae King, 1844
             2 Family †Burmesiidae Healey, 1908
             3 ?Family †Ceratomyopsidae Cox, 1964
             4 Family †Grammysiidae Miller, 1877
             5 Family †Margaritariidae Vokes, 1964
             6 Family Parilimyidae Morton, 1981
             7 Family †Pleuromyidae Zittel, 1895
             8 Family †Sanguinolitidae Miller, 1877