Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Heteroconchia Gray, 1854
       Clade Heterodonta Neumayr, 1884
         Order †Hippuritida Newell, 1965
           Superfamily †Radiolitoidea d'Orbigny, 1847
             01 Family †Radiolitidae d'Orbigny, 1847
             02 Family †Antillocaprinidae MacGillavry, 1937
             03 Family †Caprinidae d'Orbigny, 1847
             04 Family †Caprinulidae Yanin, 1990
             05 Family †Caprotinidae Gray, 1848
             06 Family †Diceratidae Dall, 1895
             07 Family †Hippuritidae Gray, 1848
             08 Family †Ichthyosarcolitidae Douvillé, 1887 (1871)
             09 Family †Monopleuridae Munier-Chalmas, 1873
             10 Family †Plagioptychidae Douvillé, 1888
             11 Family †Trechmannellidae Cox, 1934