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.
               Genus Chione Megerle von Mühlfeld, 1811
                 1 Subgenus Austrovenus Finlay, 1926
                 2 Subgenus Chionista Keen, 1958
                 3 Subgenus Chionopsis Olsson, 1932
                 4 Subgenus Iliochione Olsson, 1961
                 5 Subgenus Lirophora Conrad, 1863