Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Venerida Gray, 1854
         Superfamily Cyamioidea Sars, 1878
           Family Perrierinidae Marwick, 1928 see Family Cyamiidae Sars, 1878
             1 Genus Perrierina Bernard, 1897
             2 Genus Cyamiocardium Soot-Ryen, 1951