Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Pteriomorphia Beurlen, 1944
       Order Pectinida Gray, 1854
         Superfamily †Aviculopectinoidea Meek & Hayden, 1865
           Family †Aviculopectinidae Meek & Hayden, 1865
             1 Subfamily †Aviculopectininae Meek & Hayden, 1865
             2 Subfamily †Echiniferipectininae Waterhouse, 2008
             3 Subfamily †Hayasakapectininae Boyd & Newell, 2000
             4 Subfamily †Spyridopectininae Waterhouse, 2008
             5 Subfamily †Undopectininae Waterhouse, 2001