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 Veneroidea Rafinesque, 1815
           Family Veneridae Rafinesque, 1815 - venus clams
             Subfamily Tapetinae Gray, 1851
               01 Genus Tapes Megerle von Mühlfeld, 1811
               02 Genus Eumarcia Iredale, 1924
               03 Genus Eurhomalea Cossmann, 1920
               04 Genus Gomphina Mörch, 1853
               05 Genus Macridiscus Dall, 1902
               06 Genus Irus Schmidt, 1818
               07 Genus Katelysia Römer, 1857
               08 Genus Liocyma Dall, 1870
               09 Genus Marcia Adams & Adams, 1857
               10 Genus Paphia Röding, 1798
               11 Genus Psephidia Dall, 1902, nom. illeg.
               12 Genus Venerella Cossmann, 1886
               13 Genus Veneritapes Cossmann, 1886
               14 Genus Venerupis Lamarck, 1818