Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Pteriomorphia Beurlen, 1944
       Order Pectinida Gray, 1854
         Superfamily †Aviculopectinoidea Meek & Hayden, 1865
           1 Family †Aviculopectinidae Meek & Hayden, 1865
           2 Family †Deltopectinidae Dickins, 1957