Class Bivalvia Linnaeus, 1758 - bivalves
   Subclass Autobranchia Grobben, 1894
     Superorder Heteroconchia Gray, 1854
       Clade Heterodonta Neumayr, 1884
         Order Venerida Gray, 1854
           Superfamily Mactroidea Lamarck, 1809
             Family Mesodesmatidae Gray, 1840
               1 Subfamily Mesodesmatinae Gray, 1840
               2 Subfamily Davilinae Dall, 1895