Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Venerida Gray, 1854
         Superfamily Carditoidea Férussac, 1822
           Family Condylocardiidae Bernard, 1896
             Subfamily Condylocardiinae Bernard, 1896
               Genus Micromeris Conrad, 1866
                 Subgenus Mesocuna Laseron, 1953