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 Chioninae Frizzell, 1936, nom. illeg.
               01 Genus Chione Megerle von Mühlfeld, 1811
               02 Genus Anomalocardia Schumacher, 1817
               03 Genus Bassina Jukes-Browne, 1914
               04 Genus Callanaitis Iredale, 1917
               05 Genus Chamelea Mörch, 1853
               06 Genus Clausinella Gray, 1851
               07 Genus Humilaria Grant & Gale, 1931
               08 Genus Mercenaria Schumacher, 1817
               09 Genus Placamen Iredale, 1925
               10 Genus Protothaca Dall, 1902
               11 Genus Puberella Fischer-Piette & Vukadinovic, 1977
               12 Genus Tawera Marwick, 1927
               13 Genus Timoclea Brown, 1827