Phylum Mollusca Linnaeus, 1758 - molluscs
   Class Bivalvia Linnaeus, 1758 - bivalves
     Subclass Heterodonta Neumayr, 1884 see Clade Heterodonta Neumayr, 1884
       Order Chamida see Order Venerida Gray, 1854
         Superfamily Glossoidea Gray, 1847 (1840)
           Family Vesicomyidae Dall & Simpson, 1901
             Genus Calyptogena Dall, 1891
               1 Subgenus Archivesica Dall, 1908
               2 Subgenus Ectenagena Woodring, 1938
               3 Subgenus Akebiconcha Kuroda, 1943