Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Pteriomorphia Beurlen, 1944
       Order Pectinida Gray, 1854
         Superfamily †Pseudomonotoidea Newell, 1938
           1 Family †Pseudomonotidae Newell, 1938
           2 Family †Hunanopectinidae Yin, 1985
           3 Family †Terquemiidae Cox, 1964