Phylum [Mollusca] Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Order Veneroida H. & A. Adams, 1856 see Order Venerida Gray, 1854
       Superfamily Veneracea Rafinesque, 1815 see Superfamily Veneroidea Rafinesque, 1815
         Family Veneridae Rafinesque, 1815 - venus clams
           Subfamily Chioninae Frizzell, 1936, nom. illeg.
             1 Genus Anomalocardia Schumacher, 1817
             2 Genus Placamen Iredale, 1925
             3 Genus Timoclea Brown, 1827