Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Chamida see Order Venerida Gray, 1854
         Superfamily Veneroidea Rafinesque, 1815
           Family Veneridae Rafinesque, 1815 - venus clams
             Subfamily Meretricinae Gray, 1847
               1 Genus Meretrix Lamarck, 1799
               2 Genus Tivela Link, 1807
               3 Genus Tivelina Cossmann, 1886
               4 Genus Transennella Dall, 1883