Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Heteroconchia Gray, 1854
       Clade Heterodonta Neumayr, 1884
         Order Carditida Dall, 1889
           Superfamily Crassatelloidea Férussac, 1822
             Family Crassatellidae Férussac, 1822
               1 Subfamily Crassatellinae Férussac, 1822
               2 Subfamily Scambulinae Chavan, 1952
               3 Subfamily †Oriocrassatellinae Boyd & Newell, 1968