Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Venerida Gray, 1854
         Superfamily Lucinoidea Fleming, 1828
           Family Ungulinidae Gray, 1854
             Genus Felaniella Dall, 1899
               Subgenus Zemysia Finlay, 1926 see Genus Zemysia Finlay, 1926