Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Heteroconchia Gray, 1854
       Clade Heterodonta Neumayr, 1884
         Order Myida Stoliczka, 1870
           Superfamily Myoidea Lamarck, 1809
             1 Family Myidae Lamarck, 1809 - soft-shelled clams
             2 Family Corbulidae Lamarck, 1818
             3 Family Erodonidae Winckworth, 1932
             4 Family †Pleurodesmatidae Cossmann, 1909
             5 Family †Raetomyidae Newton, 1919