Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Heteroconchia Gray, 1854
       Clade Heterodonta Neumayr, 1884
         Order †Hippuritida Newell, 1965
           Superfamily †Requienioidea Kutassy, 1934
             1 Family †Requieniidae Kutassy, 1934
             2 Family †Epidiceratidae Rengarten, 1950