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 Bernardinidae Keen, 1969 see Family Neoleptonidae Thiele, 1934
             1 Genus Bernardina Dall, 1910
             2 Genus Halodakra Olsson, 1961