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 Cyrenoididae Adams & Adams, 1857 (1853) [monotypic]
             1 Genus Cyrenoida Joannis, 1835