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 Circinae Dall, 1895, nom. illeg. see Subfamily Gouldiinae Stewart, 1930
               1 Genus Circe Schumacher, 1817
               2 Genus Gafrarium Röding, 1798
               3 Genus Parvicirce Cosel, 1995